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Gateway to the Paleobiology Database

Taxonomic names from R. L. Carroll 1988

  • Ablepharus, Lichtenstein 1823 [Scincidae]
  • Aboletylestes, D. E. Russell 1964 [Cimolestidae]
  • Abrocomidae, family, Miller and Gidley 1918 [Rodentia]
  • Acanthodidae, family [Acanthodiformes]
  • Acanthostega, Jarvik 1952 [Acanthostegidae]
  • Acanthostegidae, family, Jarvik 1952 [Stegocephali]
  • Accipitridae, family, Viellot 1816 [Falconiformes]
  • Acerosodontosauridae, family [Reptilia]
  • Acherontiscidae, family, Carroll 1967 [Lepospondyli]
  • Acherontiscus, Carroll 1969 [Acherontiscidae]
  • Acotherulum, P. Gervais 1850 [Cebochoeridae]
  • Acris, Dumeril and Bibron 1841 [Hylidae]
  • Acrochordidae, family, Bonaparte 1840 [Squamata]
  • Actinodon, Gaudry 1866 [Eryopidae]
  • Actiobates, Eaton 1973 [Trematopidae]
  • Adamisaurus, A. Sulimski 1972 [Polyglyphanodontidae]
  • Adapidae, family, E. L. Trouessart 1879 [Primates]
  • Adapidium, C. C. Young 1937 [Esthonychidae]
  • Adapiformes, infraorder, Hoffstetter 1977 [Primates]
  • Adapisorex, Lemoine 1883 [Adapisoricidae]
  • Adapisoriculus, Lemoine 1885 [Adapisoriculidae]
  • Adelogyrinus, Watson 1928 [Adelogyrinidae]
  • Adelospondylus, Carroll 1967 [Adelogyrinidae]
  • Adianthidae, family, Ameghino 1891 [Litopterna]
  • Adianthus, F. Ameghino 1891 [Adianthidae]
  • Adiantoides, G. S. Simpson and J. L. Minoprio 1949 [Adianthidae]
  • Adinotherium, F. Ameghino 1887 [Toxodontidae]
  • Admetophoneus, Efremov 1954 [Brithopodidae]
  • Adracon, Filhol 1884 [Carnivora]
  • Aegialornis, R. Lydekker 1891 [Aegialornithidae]
  • Aegialornithidae, family, R. Lydekker 1891 [Apodiformes]
  • Aegothelidae, family, Bonaparte 1853 [Caprimulgiformes]
  • Aelurogale, Filhol 1872 [Nimravidae]
  • Aeluroidea, superfamily, Flower 1869 [Carnivora]
  • Aeluropsis, Lydekker 1884 [Felidae]
  • Aepyceros, Sundevall 1847 [Bovidae]
  • Aepyornis, Geoffroy 1850 [Aepyornithidae]
  • Aepyornithidae, family, Bonaparte 1853 [Aepyornithiformes]
  • Aepyornithiformes, order [Aves]
  • Aethia, Merrem 1788 [Alcidae]
  • Aetosauria, suborder, R. Lydekker 1889 [Reptilia]
  • Aetosaurus, O. Fraas 1887 [Reptilia]
  • Afrocyon, Arambourg 1961 [Amphicyonidae]
  • Afrosmilus, Kretzoi 1929 [Barbourofelidae]
  • Agama, Daudin 1802 [Agamidae]
  • Agamidae, family, Gray 1827 [Squamata]
  • Aigialosauridae, family, K. G. Kramberger 1892 [Squamata]
  • Ailuravus, L. Rütimeyer 1891 [Ischyromyidae]
  • Ailurictis, Trouessart 1899 [Mustelidae]
  • Ailuropoda, A. Milne-Edwards 1870 [Ursidae]
  • Akanthosuchus, F. M. O'Neill et al. 1981 [Reptilia]
  • Akidnognathus, Haughton 1918 [Theriodontia]
  • Akidnognathus parvus, Haughton 1918 [unclassified species]
  • Aksyiria, Gabunia 1973 [Dichobunidae]
  • Alaudidae, family, Vigors 1825 [Passeriformes]
  • Albanohyus, L. Ginsburg 1974 [Tayassuidae]
  • Albertogaudryia [Trigonostylopidae]
  • Alcedinidae, family, Rafinesque 1815 [Coraciiformes]
  • Alcelaphus, Blainville 1816 [Bovidae]
  • Alcidae, family, Leach 1820 [Charadriiformes]
  • Alegeinosaurus, Case 1911 [Dissorophidae]
  • Alitoxodon, Rovereto 1914 [Toxodontidae]
  • Allacerops, Wood 1932 [Eggysodontidae]
  • Allaeochelys, Noulet 1867 [Carettochelyidae]
  • Allalmeia, Rusconi 1946 [Notoungulata]
  • Alle, Link 1806 [Alcidae]
  • Allictops, Qiu 1977 [Pseudictopidae]
  • Alligator, Daudin 1809 [Alligatoridae]
  • Alligatorellus, Gervais 1871 [Reptilia]
  • Allodaposuchus, Nopcsa 1928 [Reptilia]
  • Allosorex, O. Fejfar 1966 [Soricidae]
  • Allostylops, Zheng 1979 [Arctostylopidae]
  • Almasauridae, family, Dutuit 1972 [Trematosauroidea]
  • Almasauroidea, superfamily [Temnospondyli]
  • Almogaver, Crusafont-Pairo and Villalta 1954 [Phenacodontidae]
  • Alsaticopithecus, J. Hürzeler 1947 [Amphilemuridae]
  • Ambiortidae, family, Kurochkin 1982 [Ambiortiformes]
  • Ambiortus, Kurochkin 1982 [Aves]
  • Amblycoptus, Kormos 1926 [Soricidae]
  • Amblysomus, Pomel 1848 [Chrysochloridae]
  • Amblystoma, Tschudi 1838 [Ambystomatidae]
  • Ambystomatidae, family, Hallowell 1856 [Urodela]
  • Ambystomatoidea, suborder [Urodela]
  • Ambystomichnus, Peabody 1954 [Dicamptodontidae]
  • Ameghinornis, Mourer-Chauvire 1981 [Gruiformes]
  • Ameiseophis, J. A. Holman 1976 [Colubridae]
  • Ameiva, Meyer 1795 [Teiidae]
  • Ammodramus, Swainson 1827 [Fringillidae]
  • Amphibamus, Cope 1865 [Amphibamidae]
  • Amphictis, Pomel 1853 [Procyonidae]
  • Amphicyanis, Springhorn 1977 [Amphicyonidae]
  • Amphicyonidae, family, Haeckel 1886 [Carnivora]
  • Amphilestinae, subfamily, H. F. Osborn 1888 [Eutriconodonta]
  • Amphimerycidae, family, Stehlin 1910 [Artiodactyla]
  • Amphimoschus, Gray 1852 [Artiodactyla]
  • Amphipelargus, Lydekker 1891 [Ergilornithidae]
  • Amphiperatherium, H. Filhol 1879 [Mammalia]
  • Amphiprox, Kaup 1839 [Artiodactyla]
  • Amphisbaenidae, family, Gray 1865 [Squamata]
  • Amphisorex, Duvernoy 1835 [Soricidae]
  • Amphitragulus, Pomel 1847 [Palaeomerycidae]
  • Amphitriton, Rogers 1976 [Ambystomatidae]
  • Amphiuma, Garden 1821 [Amphiumidae]
  • Amphiumidae, family, Gray 1825 [Urodela]
  • Amphiumoidea, suborder [Urodela]
  • Amynodontidae, family [Perissodactyla]
  • Anagalopsis, Bohlin 1951 [Anagalidae]
  • Anaspida, subclass (S. W. Williston 1917) [Reptilia]
  • Anatidae, family, Vigors 1825 [Anseriformes]
  • Anatolictis, N. Schmidt-Kittler 1976 [Mustelidae]
  • Ancylocoelus, Ameghino 1895 [Leontiniidae]
  • Ancylotherium, Gaudry 1863 [Chalicotheriidae]
  • Andalgalornis, Patterson and Kraglievich 1960 [Gruiformes]
  • Andrewsornis, Patterson 1941 [Gruiformes]
  • Andrias, Tschudi 1837 [Cryptobranchidae]
  • Aneides, Baird 1849 [Plethodontidae]
  • Anguidae, family, J. E. Gray 1825 [Squamata]
  • Anguinidae, family (J. E. Gray 1825) [Rhabditida]
  • Anguoidea, superfamily [Squamata]
  • Anhimidae, family, Stejneger 1885 [Anseriformes]
  • Anhinga, Brisson 1760 [Anhingidae]
  • Anhingidae, family, Ridgway 1887 [Pelecaniformes]
  • Anictis, Kretzoi 1945 [Carnivora]
  • Anictops, Qiu 1977 [Pseudictopidae]
  • Aniliidae, family, L. J. Fitzinger 1826 [Squamata]
  • Anilioidea, superfamily [Squamata]
  • Anilioides, Auffenberg 1963 [Aniliidae]
  • Annatherapsidus, Kuhn 1963 [Theriodontia]
  • Anniella, Gray 1852 [Anguidae]
  • Annulata, infraorder [Squamata]
  • Anoglochis, Croizet and Jobert 1826 [Cervidae]
  • Anolis, Daudin 1802 [Polychrotidae]
  • Anomalopteryx, Reichenbach 1853 [Anomalopterygidae]
  • Anomaluridae, family, Gill 1872 [Rodentia]
  • Anomaluroidea, superfamily, Gervais 1849 [Rodentia]
  • Anomodon, Keyser 1975 [Diictodontidae]
  • Anoplosuchus, Tchudinov 1968 [Estemmenosuchidae]
  • Anosteira, J. Leidy 1871 [Carettochelyidae]
  • Anourosorex, Milne-Edwards 1872 [Soricidae]
  • Anseriformes, order, Wagler 1831 [Aves]
  • Anteosauridae, family, Boonstra 1954 [Eutherapsida]
  • Anteosaurus, Watson 1921 [Anteosauridae]
  • Anthracobunidae, family, N.A. Wells and P.D. Gingerich 1983 [Perissodactyla]
  • Anthracobunodon, Heller 1934 [Choeropotamidae]
  • Anthracochoerus, Dal Piaz 1930 [Anthracotheriidae]
  • Anthracokeryx, Pilgrim and Cotter 1916 [Anthracotheriidae]
  • Anthracosaurus, Huxley 1863 [Anthracosauridae]
  • Anthracosenex, O. Zdansky 1930 [Anthracotheriidae]
  • Anthracothema, G. E. Pilgrim 1928 [Anthracotheriidae]
  • Anthracotheriidae, family, J. Leidy 1869 [Mammalia]
  • Anthropoidea, suborder, Mivart 1864 [Primates]
  • Antidorcas, Sundevall 1847 [Bovidae]
  • Antilospira, Teilhard de Jardin and Young 1931 [Bovidae]
  • Aonyx, Lesson 1827 [Mustelidae]
  • Apateon, H. von Meyer 1844 [Branchiosauridae]
  • Apatotheria, order, W. B. Scott and G. L. Jepsen 1936 [Mammalia]
  • Apertotemporalis, Stromer 1934 [Testudines]
  • Aphanapteryx, Frauenfeld 1868 [Ralliformes]
  • Aplodontidae, family, Brandt 1855 [Rodentia]
  • Aplodontoidea, superfamily [Rodentia]
  • Apodi, suborder [Apodiformes]
  • Apodidae, family, Hartert 1897 [Apodiformes]
  • Apodiformes, order, Peters 1940 [Aves]
  • Aprotodon, Forster-Cooper 1915 [Rhinocerotidae]
  • Aptenodytes, J.F. Miller 1778 [Spheniscidae]
  • Apteribis, Olsen and Wetmore 1976 [Plataleidae]
  • Apterornis, Owen 1848 [Aptornithidae]
  • Apterygidae, family, Gray 1840 [Apterygiformes]
  • Apterygiformes, order [Aves]
  • Apteryx, Huxley 1867 [Apterygidae]
  • Aptornithidae, family, Bonaparte 1856 [Gruiformes]
  • Apus, Scopoli 1777 [Apodiformes]
  • Araeosaurus, H. G. Seeley 1881 [Squamata]
  • Aramidae, family, Bonaparte 1854 [Gruiformes]
  • Archaeolambda, Flerov 1952 [Amblypoda]
  • Archaeolambdidae, family, Flerov 1952 [Amblypoda]
  • Archaeolemuridae, family, G. Grandidier 1905 [Primates]
  • Archaeopterygiformes, order, Furbringer 1888 [Aves]
  • Archaeornithes, subclass, Gadow 1893 [Aves]
  • Archaeosyodon, Tchudinov 1960 [Brithopodidae]
  • Archaeotriton, H. von Meyer 1860 [Salamandridae]
  • Archaeotrogon, Milne-Edward 1891 [Trogonidae]
  • Archaeotrogonidae, family, Mourer-Chauviré 1980 [Coraciiformes]
  • Archegosauridae, family, von Meyer 1857 [Eryopoidea]
  • Archegosaurus, Goldfuss 1847 [Archegosauridae]
  • Archeria, Case 1918 [Archeriidae]
  • Archeriidae, family, Kuhn 1965 [Embolomera]
  • Archosauromorpha, infraclass, F. v. Huene 1946 [Reptilia]
  • Archosaurus, Tatarinov 1960 [Proterosuchidae]
  • Arctamphicyon, Pilgrim 1932 [Amphicyonidae]
  • Arctocyonidae, family, Murray 1866 [Mammalia]
  • Arctoidea, superfamily, Flower 1869 [Carnivora]
  • Arctomeles, Stach 1951 [Mustelidae]
  • Arctonyx, F. Cuvier 1825 [Mustelidae]
  • Arctostylopidae, family, Schlosser 1923 [Mammalia]
  • Ardeagrandis, Kurockin and Ganea 1972 [Ardeiformes]
  • Ardeidae, family, Leach 1820 [Ardeiformes]
  • Ardeosauridae, family, Camp 1923 [Squamata]
  • Ardeosaurus, H. von Meyer 1860 [Squamata]
  • Argentavis, Campbell and Tonni 1980 [Falconiformes]
  • Argyrohyus, Kraglievich 1959 [Tayassuidae]
  • Ariekanerpeton, Ivakhnenko 1981 [Discosauriscidae]
  • Aristelliger, Cope 1861 [Gekkonidae]
  • Arkanserpeton, Lane 1932 [Temnospondyli]
  • Arretosauridae, family, C. W. Gilmore 1943 [Squamata]
  • Arretosaurus, C. W. Gilmore 1943 [Arretosauridae]
  • Arsinoitheriidae, family, Andrews 1904 [Embrithopoda]
  • Arsinotherium [Arsinoitheriidae]
  • Arvernoceros, Heintz 1968 [Cervidae]
  • Asaphestera, Steen 1934 [Tuditanidae]
  • Ascaphidae, family, Fejérváry 1923 [Anura]
  • Asiostylops, Zheng 1979 [Arctostylopidae]
  • Askeptosauridae, family [Thalattosauria]
  • Asmodus [Homalodotheriidae]
  • Asphaerion, H. von Meyer 1847 [Ranidae]
  • Aspideretes, Hay 1904 [Trionychidae]
  • Aspidosaurus, Broili 1904 [Dissorophidae]
  • Astrapotherium, Burmeister 1879 [Astrapotheriidae]
  • Atalonodon, Dal-Piaz 1929 [Lophiodontidae]
  • Atelidae, family, Gray 1825 [Primates]
  • Atelornithidae, family [Coraciiformes]
  • Atilax, F. Cuvier 1826 [Herpestidae]
  • Atoposaurus, H. von Meyer 1850 [Reptilia]
  • Aulacephalodontidae, family, Toerien 1953 [Pristerodontia]
  • Aureliachoerus, L. Ginsburg 1974 [Suidae]
  • Avenantia, Boonstra 1952 [Tapinocephalidae]
  • Badistornis, Wetmore 1940 [Aramidae]
  • Badrostes [Falconidae]
  • Baenidae, family, E. D. Cope 1882 [Testudines]
  • Baeninae, subfamily (E. D. Cope 1882) [Baenidae]
  • Baenoidea, superfamily [Testudines]
  • Baharijodon, Kuhn 1936 [Trematochampsidae]
  • Bainguidae, family, M. Borsuk-Bialynicka 1984 [Squamata]
  • Bainguis, M. Borsuk-Bialynicka 1984 [Anguidae]
  • Balaenicipitidae, family, Bonaparte 1853 [Balaenicipitiformes]
  • Baldwinonus, Romer and Price 1940 [Eothyrididae]
  • Baluchitherium, Forster Cooper 1913 [Paraceratheriidae]
  • Baphetes, Owen 1854 [Baphetidae]
  • Baptornithidae, family, American Ornithologists' Union 1910 [Hesperornithiformes]
  • Baranogale, T. Kormos 1934 [Mustelidae]
  • Bargmannia, Herre 1955 [Dicamptodontidae]
  • Barytheriidae, family [Proboscidea]
  • Barytherioidea, suborder, Andrews 1906 [Proboscidea]
  • Barytherium, C.W. Andrews 1901 [Barytheriidae]
  • Bashkirosaurus, Gubin 1981 [Archegosauridae]
  • Basicranodon, Vaughn 1958 [Varanopidae]
  • Basileosaurus, Wiedersheim 1879 [Sclerosauridae]
  • Batagur, Gray 1855 [Geoemydidae]
  • Bathornis, Wetmore 1927 [Gruiformes]
  • Bathornithidae, family, Wetmore 1933 [Gruiformes]
  • Bathyergidae, family, Waterhouse 1841 [Rodentia]
  • Bathygnathus, J. Leidy 1853 [Sphenacodontidae]
  • Batrachiderpeton, Hancock and Atthey 1871 [Diplocaulidae]
  • Batrachosauroides, Taylor and Hesse 1943 [Batrachosauroididae]
  • Batrachosaurus, Fitzinger 1840 [Capitosauroidea]
  • Batrachoseps, Bonaparte 1839 [Plethodontidae]
  • Batropetidae, family, R. L. Carroll 1988 [Microbrachomorpha]
  • Bauria, Broom 1909 [Theriodontia]
  • Bauriidae, family, Watson 1911 [Theriodontia]
  • Bavarisauridae, family, Kuhn 1961 [Squamata]
  • Bavarisaurus, Hoffstetter 1953 [Squamata]
  • Beatragus, Heller 1912 [Bovidae]
  • Belodon, H. v. Meyer 1844 [Reptilia]
  • Benaratherium, Gabunia 1955 [Paraceratheriidae]
  • Benicerus, Heintz 1973 [Bovidae]
  • Benthosuchidae, family, Efremov 1940 [Capitosauroidea]
  • Benthosuchus, Efremov 1936 [Capitosauria]
  • Beremendia, Kormos 1930 [Soricidae]
  • Bergisuchus, Kuhn 1968 [Reptilia]
  • Biarmosuchidae, family, Olson 1962 [Biarmosuchia]
  • Biarmosuchus, Chudinov 1960 [Biarmosuchia]
  • Bibos, Hodgson 1837 [Bovidae]
  • Birgerbohlinia, Crusafont Pairó and Villalta 1951 [Giraffidae]
  • Blarinella, Thomas 1911 [Soricidae]
  • Blarinoides, A. Sulimski 1959 [Soricidae]
  • Bobbschaefferia, Paula Couto 1970 [Polydolopimorphia]
  • Bohlinia, Matthew 1929 [Giraffidae]
  • Boreopelta, Shishkin 1985 [Rhytidosteidae]
  • Borissiakia, P.M. Butler 1965 [Chalicotheriidae]
  • Boselaphus, de Blainville 1816 [Bovidae]
  • Botaurus, Stephens 1819 [Ardeiformes]
  • Bothriogenys, Schmidt 1913 [Anthracotheriidae]
  • Brachycormus, H. von Meyer 1860 [Salamandridae]
  • Brachycyon, Filhol 1872 [Amphicyonidae]
  • Brachydiastematherium, Bockh and Maty 1876 [Brontotheriidae]
  • Brachydiceratherium, R. Lavocat 1952 [Rhinocerotidae]
  • Brachyramphus, Brandt 1837 [Alcidae]
  • Brachyrhinodon, Huene 1910 [Sphenodontidae]
  • Bramatherium, Falconer 1845 [Giraffidae]
  • Branchierpeton, Boy 1972 [Micromelerpetontidae]
  • Branchiosauridae, family, Fritsch 1883 [Xerodromes]
  • Brandmayria, Cabrera 1935 [Notoungulata]
  • Breagyps, Miller 1938 [Vulturidae]
  • Breviodon, Radinsky 1965 [Perissodactyla]
  • Brithopodidae, family, Efremov 1954 [Eutherapsida]
  • Brithopus, Kutorga 1838 [Brithopodidae]
  • Broiliana, R. Dehm 1950 [Procyonidae]
  • Broomulus, Romer 1947 [Stereospondyli]
  • Bubalus, Hamilton-Smith 1827 [Bovidae]
  • Bucapra, Rütimeyer 1877 [Bovidae]
  • Bucconidae, family, Boie 1826 [Piciformes]
  • Bucerotidae, family, Rafinesque 1815 [Coraciiformes]
  • Bucerotiformes, order [Aves]
  • Bucorvus, Lesson 1830 [Bucerotidae]
  • Budorcas, Hodgson 1850 [Bovidae]
  • Bufonidae, family, Gray 1825 [Anura]
  • Bugtitherium, G. E. Pilgrim 1908 [Anthracotheriidae]
  • Bukobaja, Ochev 1966 [Trematosauridae]
  • Bunohyrax, Schlosser 1910 [Pliohyracidae]
  • Bunolistriodon, Arambourg 1933 [Suidae]
  • Burhinidae, family, Mathews 1912 [Charadriiformes]
  • Buteo, de Lacepčde 1799 [Accipitridae]
  • Butorides, Blyth 1852 [Ardeiformes]
  • Butselia, Quinet and Misonne 1965 [Plesiosoricidae]
  • Buxobune, Sudre 1978 [Dichobunidae]
  • Buzulukia, Vjuschkov 1957 [Kotlassidae]
  • Bystrowiana, Vjuschkov 1957 [Bystrowianidae]
  • Cabassous, McMurtie 1831 [Dasypodidae]
  • Cadurcodon, Kretzoi 1942 [Amynodontidae]
  • Cadurcogekko, R. Hoffstetter 1946 [Gekkonidae]
  • Cadurcotherium, Gervais 1873 [Amynodontidae]
  • Caeciliidae, family, Gray 1825 [Gymnophiona]
  • Caerorhachidae, family [Tetrapoda]
  • Calligenethlon, Steen 1934 [Eogyrinidae]
  • Callopistes, Gravenhorst 1838 [Teiidae]
  • Callowayosaurus [Elasmosauridae]
  • Calodontotherium, Roth 1903 [Isotemnidae]
  • Calonectris, Mathews and Iredale 1915 [Procellariidae]
  • Caluromys, Allen 1900 [Didelphidae]
  • Camargomendesia, Paulo Couto 1978 [Oldfieldthomasiidae]
  • Cambayella, Pilgrim 1939 [Bovidae]
  • Cameloidea, superfamily [Artiodactyla]
  • Campephilus, Gray 1840 [Picidae]
  • Campylodoniscus, O. Kuhn 1961 [Reptilia]
  • Campylognathoides, E. Strand 1928 [Campylognathoididae]
  • Campylognathoididae, family [Reptilia]
  • Canidae, family, Fischer 1817 [Carnivora]
  • Canthumeryx, W. R. Hamilton 1973 [Canthumerycidae]
  • Capellirallus, Falla 1954 [Ralliformes]
  • Capitonidae, family, Bonaparte 1840 [Piciformes]
  • Capitonides, Ballmann 1969 [Capitonidae]
  • Caprimulgidae, family, N. A. Vigors 1825 [Caprimulgiformes]
  • Caprimulgiformes, order, R. Ridgway 1881 [Aves]
  • Capromyidae, family, Smith 1842 [Rodentia]
  • Captorhinida, order [Reptilia]
  • Captorhinomorpha, suborder, D. M. S. Watson 1917 [Cotylosauria]
  • Carbonoherpeton, Klembara 1985 [Eogyrinidae]
  • Carettochelyidae, family, Gill 1889 [Testudines]
  • Carettochelys, Ramsay 1886 [Carettochelyidae]
  • Cariamae, suborder, Fürbringer 1888 [Gruiformes]
  • Cariamidae, family, Bonaparte 1853 [Gruiformes]
  • Caroloameghiana, Ameghino 1901 [Didelphidae]
  • Carpolestidae, family, G.G. Simpson 1935 [Primates]
  • Carposorex, J.-Y. Crochet 1975 [Soricidae]
  • Carrolla, Langston and Olsen 1986 [Brachystelechidae]
  • Cartictops, Ding and Tong 1979 [Pseudictopidae]
  • Castorimorpha, infraorder [Rodentia]
  • Casuariidae, family, Kaup 1847 [Casuariiformes]
  • Casuariiformes, order [Aves]
  • Casuarius, Brisson 1760 [Casuariidae]
  • Catarrhini, infraorder, E. Geoffroy Saint-Hilaire 1812 [Primates]
  • Cathartornis, L.H. Miller 1910 [Falconiformes]
  • Caudiverbera, Laurenti 1768 [Leptodactylidae]
  • Caviidae, family, Waterhouse 1839 [Rodentia]
  • Cavioidea, superfamily, Fischer de Waldheim 1817 [Rodentia]
  • Cebochoeridae, family, R. Lydekker [Artiodactyla]
  • Cebochoerus, P. Gervais 1852 [Cebochoeridae]
  • Celestus, Gray 1838 [Anguidae]
  • Cephalophus, H. Smith 1827 [Bovidae]
  • Cepphus, Moehring 1758 [Alcidae]
  • Ceratomorpha, suborder, Wood 1937 [Perissodactyla]
  • Ceratophrys, Wied 1824 [Ceratophrynidae]
  • Ceratotherium, Gray 1868 [Rhinocerotidae]
  • Cerorhinca, Bonaparte 1828 [Alcidae]
  • Cerritosaurus, Price 1946 [Proterochampsidae]
  • Cervavitulus, Kretzoi 1951 [Cervidae]
  • Cervavitus, Chomenko 1913 [Cervidae]
  • Cervoceros, Khomenko 1913 [Cervidae]
  • Cervoidea, superfamily [Artiodactyla]
  • Cervulus, de Blainville 1816 [Cervidae]
  • Chaetophractus, Fitzinger 1871 [Dasypodidae]
  • Chalcides, C. Linnaeus 1758 [Scincidae]
  • Chalicotheriidae, family, Gill 1872 [Perissodactyla]
  • Chaliminia, Bonaparte 1980 [Tritheledontidae]
  • Chamaeleo, Laurenti 1768 [Chamaeleonidae]
  • Chamaeleonidae, family, Gray 1825 [Squamata]
  • Champsosauridae, family, E. D. Cope 1876 [Reptilia]
  • Chaosaurus [Omphalosauridae]
  • Chapalmalania, Ameghino 1908 [Procyonidae]
  • Chapattimyidae, family, S. T. Hussain et al. 1978 [Rodentia]
  • Charadriidae, family, Vigors 1825 [Charadriiformes]
  • Chasicotatus, Scillato-Yané 1977 [Dasypodidae]
  • Chasicotherium, Cabrera and Kraglievich 1931 [Homalodotheriidae]
  • Chasmotherium, Rutimeyer [Hyrachyidae]
  • Cheilophis, C. W. Gilmore 1938 [Boidae]
  • Cheirogaleidae, family, Gray 1873 [Primates]
  • Cheliderpeton, Fritsch 1877 [Intasuchidae]
  • Chelodina, Fitzinger 1826 [Testudines]
  • Cheloniidae, family, Bonaparte 1832 [Testudines]
  • Chelotriton, Pomel 1853 [Salamandridae]
  • Chelus, Duméril 1806 [Chelidae]
  • Chelydontops, Cluver 1975 [Dicynodontia]
  • Chelydra, Schweigger 1812 [Testudines]
  • Chelydrops, Peters 1868 [Chelydridae]
  • Chelydropsis, Peters 1868 [Chelydridae]
  • Chemositia, Pickford 1979 [Chalicotheriidae]
  • Cherminotus, M. Borsuk-Bialynicka 1984 [Varanidae]
  • Cherminsaurus, A. Sulimski 1975 [Polyglyphanodontidae]
  • Chiayusuchus, Bohlin 1953 [Stomatosuchidae]
  • Chigutisauridae, family, Rusconi 1951 [Trematosauria]
  • Chilotherium, Ringström 1924 [Rhinocerotidae]
  • Chinchillidae, family, E. T. Bennett 1833 [Rodentia]
  • Chinchilloidea, superfamily, Bennett 1833 [Rodentia]
  • Chinemys, Smith 1931 [Emydidae]
  • Chiniquodontoidea, superfamily [Eucynodontia]
  • Chioglossa, Bocage 1868 [Salamandridae]
  • Chionididae, family, Lesson 1828 [Charadriiformes]
  • Chiroptera, order, Blumenbach 1779 [Mammalia]
  • Chisternon, Leidy 1872 [Baenidae]
  • Chitra, Gray 1844 [Trionychidae]
  • Chitracephalus, Dollo 1884 [Testudines]
  • Chlamyphorus, Harlan 1825 [Dasypodidae]
  • Chleuastochoerus, Pearson 1928 [Suidae]
  • Chlorotalpa, Roberts 1924 [Chrysochloridae]
  • Choerolophodon, Schlesinger 1917 [Gomphotheriidae]
  • Choeromeryx, Pomel 1848 [Anthracotheriidae]
  • Choeropotamidae, family, R. Owen 1845 [Artiodactyla]
  • Chorobates, Reig 1958 [Dasypodidae]
  • Chroniosaurus, Tverdokhlebova 1972 [Chroniosuchidae]
  • Chroniosuchidae, family, Vjushkov 1957 [Chroniosuchia]
  • Chroniosuchus, Vjuschkov 1957 [Chroniosuchidae]
  • Chrysemys, J. E. Gray 1844 [Emydidae]
  • Chrysemys montolivensis, Roman 1897 [Testudines]
  • Chrysochloridae, family, Gray 1825 [Mammalia]
  • Chrysochloris, Lacépčde 1799 [Chrysochloridae]
  • Chthomaloporus, Chudinov 1964 [Brithopodidae]
  • Chthonosaurus, Vjushkov 1955 [Theriodontia]
  • Chunga, Hartlaub 1860 [Gruiformes]
  • Ciconiidae, family, Sundevall 1836 [Ciconiiformes]
  • Ciconiiformes, order, Bonaparte 1854 [Aves]
  • Ciconiopsis, Ameghino 1899 [Ciconiiformes]
  • Cinosternum (von Spix 1824) [unclassified genus]
  • Circamustela, G. Petter 1967 [Mustelidae]
  • Cistecephaloides, Cluver 1974 [Therochelonia]
  • Civettictis, Pocock 1915 [Viverridae]
  • Clamydosaurus, Gray 1825 [Agamidae]
  • Clapasorex, J.-Y. Crochet 1975 [Soricidae]
  • Claraziidae, family, Peyer 1936 [Reptilia]
  • Clarencea, Brink 1959 [Thecodontia]
  • Clemmydopsis, Boda 1927 [Geoemydidae]
  • Cnemidophorus, Wagler 1830 [Teiidae]
  • Cochleosauridae, family, Broili 1923 [Edopoidea]
  • Cochleosaurus, Fritsch 1885 [Cochleosauridae]
  • Cocomyidae, family, H. de Bruijn et al. 1982 [Rodentia]
  • Cocytinus, E.D. Cope 1871 [Lysorophidae]
  • Coelodonta, Bronn 1831 [Rhinocerotidae]
  • Coelurosauravus, Piveteau 1926 [Reptilia]
  • Colbertosaurus, Minoprio 1957 [Traversodontidae]
  • Coleonyx, Gray 1845 [Gekkonidae]
  • Coliidae, family, Swainson 1837 [Coliiformes]
  • Coliiformes, order, Murie 1872 [Aves]
  • Colius, Brisson 1760 [Coliidae]
  • Colombitheriidae, family, R. Hoffstetter 1970 [Mammalia]
  • Colombitherium, R. Hoffstetter 1970 [Pyrotheriidae]
  • Colombophis, R. Hoffstetter and J.-C. Rage 1977 [Aniliidae]
  • Coloraderpeton, Vaughn 1969 [Ophiderpetontidae]
  • Colosteoidea, superfamily [Temnospondyli]
  • Columbiformes, order, Latham 1790 [Aves]
  • Colymboides, Milne-Edwards 1867 [Gaviidae]
  • Compressidens, L. Dollo 1924 [Mosasauridae]
  • Condylarthra, order, E. D. Cope 1881 [Mammalia]
  • Conjunctio, Carroll 1964 [Dissorophidae]
  • Connochaetes (Lichtenstein 1812) [Bovidae]
  • Conuropsis, Salvadori 1891 [Psittacidae]
  • Coracii, suborder, Wetmore and Miller 1926 [Coraciiformes]
  • Coraciidae, family, Vigors 1825 [Coraciiformes]
  • Coraciiformes, order, W. A. Forbes 1884 [Aves]
  • Cordylidae, family, J. E. Gray 1837 [Squamata]
  • Cordylodon, H. von Meyer 1859 [Dimylidae]
  • Corvidae, family, Vigors 1825 [Passeriformes]
  • Corytophanes, Boie 1826 [Iguanidae]
  • Cosesaurus, Ellenberger and Villalta 1974 [Reptilia]
  • Coturnicops, G. R. Gray 1825 [Ralliformes]
  • Cotylorhynchus, J.W. Stovall 1937 [Caseidae]
  • Cracidae, family, Vigors 1825 [Galliformes]
  • Crapartinella, Mendrez 1975 [Theriodontia]
  • Crapartinellidae, family, Mendrez 1975 [Theriodontia]
  • Crassigyrinus, Watson 1926 [Crassigyrinidae]
  • Crinifer [Musophagidae]
  • Criotherium, Forsyth Major 1891 [Bovidae]
  • Crivadiatherium, C. Radulesco et al. 1976 [Arsinoitheriidae]
  • Crocidosorex, R. Lavocat 1951 [Soricidae]
  • Crocidura, Wagler 1832 [Soricidae]
  • Crocodilia, order, R. Owen 1842 [Reptilia]
  • Crocodylus, J. N. Laurenti 1768 [Crocodylidae]
  • Crossarchus, F. Cuvier 1825 [Herpestidae]
  • Crossochelys, Simpson 1937 [Meiolaniidae]
  • Crossotelos, Case 1902 [Urocordylidae]
  • Crotaphytus, Holbrook 1843 [Iguanidae]
  • Cryptobranchidae, family, Cope 1889 [Urodela]
  • Cryptobranchoidea, suborder [Urodela]
  • Cryptobranchus, Leuckart 1821 [Cryptobranchidae]
  • Cryptoclididae, family, Williston 1925 [Sauropterygia]
  • Cryptopithecus, Schlosser 1890 [Proteutheria]
  • Crypturellus, Brabourne and Chubb 1914 [Aves]
  • Cteniosaurus, Broom 1935 [Cryptodontidae]
  • Ctenochasmatidae, family, Nopcsa 1928 [Reptilia]
  • Ctenodactylidae, family, Gervais 1853 [Rodentia]
  • Ctenodactyloidea, superfamily [Rodentia]
  • Ctenomyidae, family, Lesson 1842 [Rodentia]
  • Ctenosaura, Wiegmann 1828 [Iguanidae]
  • Ctenosauriscidae, family, Kuhn 1964 [Reptilia]
  • Cuculidae, family, Leach 1820 [Cuculiformes]
  • Cuculiformes, order, Wagler 1830 [Aves]
  • Cullinia, Cabrera and Kraglievich 1931 [Macraucheniidae]
  • Cunampaia, Rusconi 1946 [Reptilia]
  • Cunampaiidae, family [Reptilia]
  • Cuora, Gray 1855 [Geoemydidae]
  • Cuyosuchus, Reig 1961 [Reptilia]
  • Cyamodontidae, family, Nopcsa 1923 [Placodontia]
  • Cyclotosaurus, E. Fraas 1889 [Capitosauroidea]
  • Cyclura, Harlan 1824 [Iguanidae]
  • Cygnopterus, Lambrecht 1931 [Anatidae]
  • Cylindrodontidae, family, Miller and Gidley 1918 [Rodentia]
  • Cymatosauridae, family, E. von Huene [Eosauropterygia]
  • Cynictis, Ogilby 1833 [Herpestidae]
  • Cynognathidae, family [Eucynodontia]
  • Cynognathoidea, superfamily, Brink 1963 [Cynodontia]
  • Cyonosaurus, Olson 1937 [Theriodontia]
  • Cypressaurus, Holman 1972 [Iguanidae]
  • Cypselavus, Gaillard 1908 [Cypselidae]
  • Cypseloides, Streubel 1848 [Apodiformes]
  • Dacquemys, Williams 1954 [Testudines]
  • Daedicuroides, Castellanos 1941 [Glyptodontidae]
  • Dakotaophis, J.A. Holman 1976 [Colubridae]
  • Damalavus, Arambourg 1958 [Bovidae]
  • Damaliscus, Sclater and Thomas 1894 [Bovidae]
  • Damalops, Pilgrim 1939 [Bovidae]
  • Darchansaurus, A. Sulimski 1975 [Polyglyphanodontidae]
  • Dasornis, Owen 1870 [Pelagornithidae]
  • Dasyceps, Huxley 1859 [Zatracheidae]
  • Dasypodoidea, superfamily, Gray 1821 [Cingulata]
  • Dasyproctidae, family, Gray 1825 [Rodentia]
  • Daunophis, Swinton 1926 [Boidae]
  • Dawsonophis, Holman 1979 [Boidae]
  • Decennatherium, M. Crusafont Pairo 1952 [Giraffidae]
  • Decticadapis, Lemoine 1891 [Ischyromyidae]
  • Deinosuchus, Holland 1909 [Reptilia]
  • Deinotheriidae, family, Bonaparte 1845 [Proboscidea]
  • Deinotherioidea, suborder [Proboscidea]
  • Dendrerpetontidae, family, Fritsch 1885 [Eutemnospondyli]
  • Deperetellidae, family, Radinsky 1965 [Perissodactyla]
  • Deperetia, Schaub 1923 [Bovidae]
  • Dermatemydidae, family, Baur 1888 [Testudines]
  • Dermatemys, Gray 1847 [Dermatemydidae]
  • Dermochelyidae, family, Lydekker 1889 [Testudines]
  • Desmana, Guldenstaedt 1777 [Talpidae]
  • Desmanella, B. Engesser 1972 [Talpidae]
  • Desmatodon, Case 1908 [Diadectidae]
  • Desmemys, Wegner 1911 [Pleurosternidae]
  • Desmognathus, Baird 1850 [Plethodontidae]
  • Deuterosaurus, Eichwald 1848 [Deuterosauridae]
  • Deuterotherium, Ameghino 1895 [Proterotheriidae]
  • Devincenzia, L. Kraglievich 1932 [Gruiformes]
  • Diadectes, Cope 1878 [Diadectidae]
  • Diademodon, Seeley 1895 [Gomphodontia]
  • Diademodontidae, family, Haughton 1925 [Gomphodontia]
  • Diadiaphorus, Ameghino 1887 [Proterotheriidae]
  • Diadophis, Baird and Girard 1853 [Colubridae]
  • Diamantomyidae, family, Schaub 1958 [Rodentia]
  • Dianotitan, Chow et al. 1974 [Brontotheriidae]
  • Diaphorapteryx, Forbes 1892 [Ralliformes]
  • Diarthrognathus, Crompton 1958 [Tritheledontidae]
  • Diatopornis [Vulturidae]
  • Diatrymidae, family, Shufeldt 1913 [Diatrymiformes]
  • Dibolosodon, Ameghino 1898 [Squamata]
  • Dicamptodon, Strauch 1870 [Dicamptodontidae]
  • Dicamptodontidae, family, Tihen 1958 [Urodela]
  • Diceratosaurus, Jaekel 1903 [Diplocaulidae]
  • Dicerorhinus, Gloger 1841 [Rhinocerotidae]
  • Diceros, Gray 1821 [Rhinocerotidae]
  • Dichobune, Cuvier 1822 [Dichobunidae]
  • Dichobunidae, family, T. Gill 1872 [Artiodactyla]
  • Dicoryphochoerus, Pilgrim 1926 [Suidae]
  • Dicrodon, Duméril and Bibron 1839 [Teiidae]
  • Dicynodon, Owen 1845 [Cryptodontidae]
  • Dicynodontia, suborder, Owen 1859 [Chainosauria]
  • Dicynodontidae, family, Owen 1859 [Dicynodontia]
  • Didermocerus, Brookes 1828 [Rhinocerotidae]
  • Diellipsodon, Berg 1899 [Megatheriidae]
  • Diheterocnus, Kraglievich 1928 [Megalonychidae]
  • Diictodontia, infraorder [Dicynodontia]
  • Dilambda, Tong 1978 [Amblypoda]
  • Dimorphodon, Owen 1859 [Dimorphodontidae]
  • Dimorphodontidae, family, Seeley 1870 [Reptilia]
  • Dimylidae, family, Schlosser 1887 [Mammalia]
  • Dimylus, H. von Meyer 1846 [Dimylidae]
  • Dinnebitodon, Sues 1986 [Tritylodontidae]
  • Dinodontosaurus, Romer 1943 [Stahleckeriidae]
  • Dinogorgon, Broom 1936 [Theriodontia]
  • Dinomyidae, family, Peters 1873 [Rodentia]
  • Dinornis, Owen 1843 [Dinornithidae]
  • Dinornithidae, family, Bonaparte 1853 [Dinornithiformes]
  • Dinornithiformes, order [Aves]
  • Diogenornis, Alvarenga 1983 [Struthioniformes]
  • Diomedeidae, family, Gray 1840 [Procellariiformes]
  • Dipavali, L. Van Valen 1978 [Louisinidae]
  • Diplasiotherium, Rovereto 1914 [Proterotheriidae]
  • Diploceraspis [Diplocaulidae]
  • Diplocynodon, A. Pomel 1847 [Diplocynodontidae]
  • Diploglossa, infraorder, Cope 1864 [Squamata]
  • Diploglossus, Wiegmann 1828 [Anguidae]
  • Diplolophodon, O. Zdansky 1930 [Deperetellidae]
  • Diplomesodon, Brandt 1952 [Soricidae]
  • Diplopus, Kowalewsky 1873 [Choeropotamidae]
  • Diplovertebron, Fritsch 1879 [Eogyrinidae]
  • Dipodidae, family, Waterhouse 1842 [Rodentia]
  • Dipodoidea, superfamily, Fischer 1817 [Rodentia]
  • Dipsosaurus, Hallowell 1854 [Iguanidae]
  • Discoglossidae, family, Günther 1859 [Anura]
  • Discoglossus, Otth 1837 [Discoglossidae]
  • Discosauriscidae, family, Romer 1947 [Seymouriamorpha]
  • Discosauriscus, Kuhn 1933 [Discosauridae]
  • Dissorophidae, family, Boulenger 1902 [Olsoniformes]
  • Docodonta, order, Kretzoi 1946 [Mammalia]
  • Doedicurus, H. Burmeister 1874 [Glyptodontidae]
  • Doellotatus, Bordas 1932 [Dasypodidae]
  • Dolichopareias, Watson 1928 [Adelogyrinidae]
  • Dolichosauridae, family, P. Gervais 1852 [Squamata]
  • Doliochoerus, Filhol 1882 [Artiodactyla]
  • Doliosauriscus, Kuhn 1961 [Brithopodidae]
  • Dollosuchus, Swinton 1937 [Reptilia]
  • Dongusia, Huene 1940 [Reptilia]
  • Doratodon, H. G. Seeley 1881 [Reptilia]
  • Dorcadoryx, Teilhard de Jardin and Trassaert 1938 [Bovidae]
  • Dorcadoxa, Pilgrim 1939 [Bovidae]
  • Dormaalius, Quinet 1964 [Amphilemuridae]
  • Dorsetisauridae, family, Hoffstetter 1967 [Squamata]
  • Dorygnathus, A. Wagner 1860 [Rhamphorhynchidae]
  • Dracaena, Daudin 1802 [Teiidae]
  • Dracaenosaurus, Pomel 1846 [Lacertidae]
  • Dremotherium, Geoffroy 1833 [Artiodactyla]
  • Drepanosaurus, Pinna 1980 [Drepanosauridae]
  • Dromadidae, family, Gray 1840 [Charadriiformes]
  • Dromaiidae, family, Richmond 1908 [Casuariiformes]
  • Dromatherium, Emmons 1857 [Cynodontia]
  • Dromoceratherium, Crusafont et al. 1955 [Rhinocerotidae]
  • Dromornithidae, family, Fürbringer 1888 [Dromornithiformes]
  • Dryolestidae, family, O.C. Marsh 1879 [Mammalia]
  • Dunnophis, Hecht 1959 [Tropidophiidae]
  • Dusicyon, C. Hamilton Smith 1839 [Canidae]
  • Dvinia, Amalitzky 1922 [Dviniidae]
  • Dviniidae, family, Tatarinov 1968 [Cynodontia]
  • Dvinosauridae, family (Watson 1919) [unclassified family]
  • Dynamopteryx, Gaillard 1939 [Cuculidae]
  • Dyoplax, Fraas 1867 [Reptilia]
  • Dyrosauridae, family, de Steffano 1903 [Reptilia]
  • Dyspterna, Hopwood 1927 [Proteutheria]
  • Echimyidae, family, Gray 1825 [Rodentia]
  • Ecinepeltus [Glyptodontidae]
  • Edopidae, family [Edopoidea]
  • Egernia, Gray 1848 [Scincidae]
  • Eggysodon, Roman 1910 [Eggysodontidae]
  • Eichstaettisaurus, Kuhn 1958 [Squamata]
  • Eilenosaurus [Sphenodontidae]
  • Elaphe, Wagler 1833 [Colubridae]
  • Elaphrocnemus, Milne-Edwards 1891 [Orthocnemidae]
  • Elaphurus, Milne-Edwards 1866 [Cervidae]
  • Elasmosauridae, family, E. D. Cope 1869 [Sauropterygia]
  • Elasmotherium, Fischer 1808 [Rhinocerotidae]
  • Elassotherium, Cabrera 1939 [Mylodontidae]
  • Elephantosaurus, Vjuschkov 1969 [Kannemeyeriiformes]
  • Eleutherocercus, Koken 1888 [Glyptodontidae]
  • Eleutherodactylus, Duméril and Bibron 1841 [Leptodactylidae]
  • Eleutherornis, S. Schaub 1940 [Eleutherornithidae]
  • Eleutherornithidae, family, Wetmore 1951 [Struthioniformes]
  • Emballonuridae, family, G. E. Dobson 1875 [Chiroptera]
  • Emballonuroidea, superfamily [Chiroptera]
  • Embolomeri, suborder [Labyrinthodontia]
  • Embrithopoda, order [Mammalia]
  • Embrithosaurus, Watson 1914 [Reptilia]
  • Emeus, Riechenbach 1852 [Anomalopterygidae]
  • Emydoidea, Gray 1870 [Emydidae]
  • Emydopidae, family, Cluver and King 1983 [Therochelonia]
  • Emydorhinus, Broom 1935 [Dicynodontia]
  • Emydura, Bonaparte 1836 [Chelidae]
  • Emys, Dumeril 1806 [Emydidae]
  • Enaliornithidae, family [Hesperornithiformes]
  • Enantiornithidae, family [Alexornithiformes]
  • Enantiornithiformes, order [Aves]
  • Endennasauridae, family [Reptilia]
  • Endomychura, Oberholser 1899 [Alcidae]
  • Endothiodontia, infraorder, Owen 1876 [Dicynodontia]
  • Endothiodontidae, family, Owen 1876 [Dicynodontia]
  • Enhydrictis, Forsyth Major 1902 [Mustelidae]
  • Ennatosaurus, Efremov 1956 [Caseidae]
  • Enosuchus, Konzhukova 1955 [Batrachosauria]
  • Entelodontidae, family, Lydekker 1883 [Artiodactyla]
  • Entelodontoidea, superfamily, Lydekker 1883 [Mammalia]
  • Entelops, F. Ameghino 1887 [Xenarthra]
  • Eoauchenia, Ameghino 1887 [Proterotheriidae]
  • Eocyclotosaurus, Ortlam 1970 [Capitosauroidea]
  • Eodicynodontia, infraorder [Dicynodontia]
  • Eodicynodontidae, family, Barry 1974 [Dicynodontia]
  • Eodiscoglossus, Villalta 1957 [Discoglossidae]
  • Eoentelodon, Chow 1958 [Entelodontidae]
  • Eofelis, Kretzoi 1938 [Nimravidae]
  • Eogavialis, Buffetaut 1982 [Reptilia]
  • Eogeranoides, Cracraft 1969 [Geranoididae]
  • Eogruidae, family, Wetmore 1934 [Gruiformes]
  • Eogrus, Wetmore 1934 [Eogruidae]
  • Eogyrinidae, family, Watson 1929 [Embolomera]
  • Eoherpetontidae, family [Anthracosauria]
  • Eolacerta, Nöth 1940 [Squamata]
  • Eolacertilia, infraorder, Robinson 1967 [Reptilia]
  • Eoletes, Biryukov 1974 [Lophialetidae]
  • Eomanis, G. Storch 1978 [Pholidota]
  • Eomegatherium, Kraglievich 1926 [Megatheriidae]
  • Eomyidae, family, Winge 1887 [Rodentia]
  • Eopelobates, H. W. Parker 1929 [Pelobatidae]
  • Eopneumatosuchus, Crompton and Smith 1980 [Reptilia]
  • Eoproterotherium, Ameghino 1904 [Proterotheriidae]
  • Eoraetia, Dietrich 1937 [Chiniquodontoidea]
  • Eosaniwa, Haubold 1977 [Necrosauridae]
  • Eostrix, Brodkorb 1971 [Protostrigidae]
  • Eostylocerus, Zdansky 1925 [Cervidae]
  • Eosuchus, Dollo 1907 [Reptilia]
  • Eosyncerus, Vekua 1972 [Bovidae]
  • Eotalpa, B. Sigé et al. 1977 [Talpidae]
  • Eotitanosuchia, suborder, Boonstra 1963 [Eotheriodontia]
  • Eotitanosuchidae, family, Tchudinov 1960 [Eotitanosuchia]
  • Eotitanosuchus, Tchudinov 1960 [Eotitanosuchidae]
  • Eotragus, Pilgrim 1939 [Bovidae]
  • Eoxenopoides, Haughton 1931 [Anura]
  • Epecuenia, Cabrera 1939 [Proterotheriidae]
  • Epiemys, Yeh 1963 [Emydidae]
  • Epimachairodus, Kretzoi 1929 [Felidae]
  • Episoriculus, Ellerman and Morrison-Scott 1951 [Soricidae]
  • Epoicotheriidae, family, G.G. Simpson 1927 [Mammalia]
  • Erdenetesaurus, A. Sulimski 1975 [Polyglyphanodontidae]
  • Eremias, Wiegmann 1834 [Lacertidae]
  • Erethizontidae, family, Bonaparte 1845 [Rodentia]
  • Erethizontoidea, superfamily, Bonaparte 1845 [Rodentia]
  • Ergilornis, Kozlova 1960 [Ergilornithidae]
  • Ergilornithidae, family, Kozlova 1960 [Gruiformes]
  • Ericiolacerta, Watson 1931 [Theriodontia]
  • Ericiolacertidae, family, Watson and Romer 1956 [Theriodontia]
  • Erpetocephalus, Huxley 1867 [Dendrerpetonidae]
  • Erpetosaurus, Cope 1874 [Dvinosauria]
  • Erpetosuchus, E. T. Newton 1894 [Erpetosuchidae]
  • Eryopidae, family, Cope 1882 [Eryopoidea]
  • Eryopoidea, superfamily, Säve-Söderbergh 1935 [Temnospondyli]
  • Eryosuchus, Ochev 1966 [Capitosauroidea]
  • Erythrotherium, Crompton 1964 [Morganucodontidae]
  • Erythrozootes, Butler and Hopwood 1957 [Tenrecidae]
  • Essonodontherium, F. Ameghino 1884 [Megatheriidae]
  • Estemmenosuchidae, family, Tchudinov 1960 [Eutherapsida]
  • Estemmenosuchus, Chudinov 1960 [Estemmenosuchidae]
  • Estheriophagus, Novozhilov 1948 [Procolophonidae]
  • Esthonychidae, family, E.D. Cope 1883 [Mammalia]
  • Euchambersia, Broom 1931 [Theriodontia]
  • Eucladoceros, Falconer 1868 [Cervidae]
  • Euctenoceros, Trouessart 1898 [Cervidae]
  • Eudocimus, Wagler 1832 [Plataleidae]
  • Eudromia, Geoffroy 1832 [Tinamidae]
  • Eudyptes, Vieillot 1816 [Spheniscidae]
  • Eudyptula, Bonaparte 1856 [Spheniscidae]
  • Euelephantoidea, suborder [Proboscidea]
  • Eugyrinus, Watson 1921 [Dvinosauria]
  • Eumeces, Wiegmann 1834 [Scincidae]
  • Eunectes, Wagler 1830 [Boidae]
  • Eupantotheria, order, Kermack and Musset 1958 [Mammalia]
  • Euparkeria, Broom 1913 [Reptilia]
  • Euparkeriidae, family, F. v. Huene 1920 [Reptilia]
  • Euphractus, Wagler 1830 [Dasypodidae]
  • Euposauridae, family, Camp 1923 [Squamata]
  • Euposaurus, Jourdan 1862 [Reptilia]
  • Euproctus, Gené 1838 [Salamandridae]
  • Euprox, Stehlin 1928 [Cervidae]
  • Eurheloderma, Hoffstetter 1957 [Squamata]
  • Eurotamandua, G. Storch 1981 [Pholidota]
  • Euryapteryx, Haast 1874 [Dinornithidae]
  • Eurygenium, F. Ameghino 1894 [Rhynchippidae]
  • Eurylaimidae, family [Passeriformes]
  • Euryletes [Perissodactyla]
  • Euryodon, Y.-X. Xu et al. 1979 [Perissodactyla]
  • Eurypygidae, family, Selby 1840 [Gruiformes]
  • Eurystomus, Vieillot 1816 [Coraciidae]
  • Eusarkiidae, family, Bergounioux 1952 [Testudines]
  • Eusophus, Fitzinger 1843 [Leptodactylidae]
  • Eutatus, Gervais 1867 [Dasypodidae]
  • Eutypomyidae, family, Miller and Gidley 1918 [Rodentia]
  • Eutypotherium, Roth 1901 [Typotheriidae]
  • Exaeretodon, Cabrera 1943 [Traversodontidae]
  • Falconidae, family, Vigors 1824 [Falconiformes]
  • Falconiformes, order, Sharpe 1874 [Aves]
  • Fennecus, Desmarest 1804 [Canidae]
  • Florentiamyidae, family, A.E. Wood 1936 [Rodentia]
  • Floridemys, Williams 1950 [Testudinidae]
  • Fratercula, Brisson 1760 [Alcidae]
  • Fregatae, suborder, Sharpe 1891 [Pelecaniformes]
  • Fregatidae, family, Garrod 1874 [Pelecaniformes]
  • Fringillidae, family, Vigors 1825 [Passeriformes]
  • Fulengidae, family, R. L. Carroll and P. M. Galton 1977 [Reptilia]
  • Fulmarus, Stephens 1826 [Procellariidae]
  • Gaindatherium, Colbert 1934 [Rhinocerotidae]
  • Galbulidae, family, Bonaparte 1831 [Piciformes]
  • Galemys, Kaup 1829 [Talpidae]
  • Galeopsidae, family, Broom 1912 [Pelycosauria]
  • Galepus, Broom 1910 [Chainosauria]
  • Galerix, Pomel 1848 [Erinaceidae]
  • Galesauridae, family, Lydekker 1890 [Epicynodontia]
  • Galesphyridae, family, P. J. Currie 1981 [Reptilia]
  • Galliformes, order, C. J. Temminck 1820 [Aves]
  • Gallinula, Brisson 1760 [Ralliformes]
  • Gallinuloides, Eastman 1900 [Gallinuloididae]
  • Gallodactylus, Fabre 1976 [Reptilia]
  • Gallogoral, Guérin 1865 [Bovidae]
  • Gangicobus, Pilgrim 1939 [Bovidae]
  • Ganolophus, Zhang 1979 [Phenacolophidae]
  • Garjainia, Ochev 1958 [Erythrosuchidae]
  • Gastornis, Hébert 1855 [Gastornithidae]
  • Gastrophryne, Fitzinger 1843 [Microhylidae]
  • Gaudrya, Fritsch 1885 [Cochleosauridae]
  • Gavia, Forster 1788 [Gaviidae]
  • Gavialis, Oppel 1811 [Reptilia]
  • Gaviidae, family, Allen 1897 [Gaviiformes]
  • Gaviiformes, order, Wetmore and Miller 1926 [Aves]
  • Gaviota, Miller and Sibley 1941 [Laridae]
  • Gazella, Blaineville 1816 [Bovidae]
  • Geckolepis, Grandidier 1867 [Gekkonidae]
  • Geiseltaliellus, Kuhn 1944 [Iguanidae]
  • Gekko, Laurenti 1768 [Gekkonidae]
  • Gekkonidae, family, J. E. Gray 1825 [Squamata]
  • Gelasmodon, Forster-Cooper 1913 [Anthracotheriidae]
  • Gelocidae, family, Schlosser 1886 [Artiodactyla]
  • Genetta, Cuvier 1816 [Viverridae]
  • Geniohyus, Andrews 1904 [Pliohyracidae]
  • Geochelone, Fitzinger 1835 [Testudinidae]
  • Geoclemys, Gray 1855 [Geoemydidae]
  • Geoemyda, Gray 1834 [Geoemydidae]
  • Geomyidae, family, Bonaparte 1845 [Rodentia]
  • Geomyoidea, superfamily, Bonaparte 1845 [Rodentia]
  • Geotrypus, Pomel 1848 [Talpidae]
  • Gephyrostegida, suborder [Anthracosauria]
  • Gephyrostegidae, family, Jaekel 1909 [Gephyrostegida]
  • Gephyrostegus, Jaekel 1902 [Gephyrostegidae]
  • Gerandogekko, Hoffstetter 1946 [Gekkonidae]
  • Geranodornis, Cracraft 1969 [Geranoididae]
  • Geranopsis, Lydekker 1891 [Gruidae]
  • Geranopterus, Milne-Edwards 1892 [Geranopteridae]
  • Geringophis, J. A. Holman 1976 [Erycidae]
  • Gerrhonotus, Wiegmann 1828 [Gerrhonotidae]
  • Gerrhosaurus, Wiegmann 1828 [Gerrhosauridae]
  • Gerrothorax, Nilsson 1934 [Plagiosauridae]
  • Gesneropithex, J. Hürzeler 1946 [Amphilemuridae]
  • Geyeriella, Herre 1950 [Dicamptodontidae]
  • Gigantamynodon, V. Gromova 1954 [Amynodontidae]
  • Gigantohyrax, Kitching 1965 [Procaviidae]
  • Gigantophis, C. W. Andrews 1901 [Madtsoiidae]
  • Gigantornis, Andrews 1916 [Pelagornithidae]
  • Giraffokeryx, Pilgrim 1910 [Giraffidae]
  • Glareola, Brisson 1760 [Glareolidae]
  • Glareolidae, family, Brehm 1831 [Charadriiformes]
  • Gliroidea, superfamily, Muirhead 1819 [Rodentia]
  • Glossochelys, Seeley 1871 [Testudines]
  • Glossotheridium, Kraglievich 1934 [Mylodontidae]
  • Glyptodontoidea, superfamily, Gray 1869 [Cingulata]
  • Gnorhimosuchus, Efremov 1951 [Seymouriidae]
  • Gnotornis, Wetmore 1942 [Ardeiformes]
  • Gobiaatar (R. L. Carroll 1988) [Ptilodontidae]
  • Gobiatheriidae, family [Amblypoda]
  • Gobicyon, Colbert 1839 [Canidae]
  • Gobiderma, M. Borsuk-Bialynicka 1984 [Squamata]
  • Gobihippus, Dashzeveg 1979 [Equidae]
  • Gobiocerus, Sokolov 1952 [Bovidae]
  • Goliathia [Balaenicipitidae]
  • Gomphodontosuchus, Huene 1928 [Traversodontidae]
  • Gomphos, Shevyreva 1975 [Mimotonidae]
  • Gomphotheriidae, family, O. P. Hay 1922 [Proboscidea]
  • Gondwanosaurus, Lydekker 1885 [Rhinesuchidae]
  • Gongylomorphus, Fitzinger 1843 [Scincidae]
  • Goniorhynchidae, family, Carroll and Gaskill 1978 [Tuditanomorpha]
  • Gonotelma, Pilgrim 1908 [Anthracotheriidae]
  • Gopherus, C. S. Rafinesque 1832 [Testudinidae]
  • Gorgonopsidae, family, Lydekker 1890 [Theriodontia]
  • Goupilictis, Ginsburg 1969 [Amphicyonidae]
  • Graculavidae, family, Fürbringer 1888 [Charadriiformes]
  • Grallavis, Cheneval 1984 [Ciconiiformes]
  • Grayemys, Chkhikvadze 1970 [Emydidae]
  • Greererpeton, Romer 1969 [Colosteidae]
  • Grues, suborder, Bonaparte 1854 [Gruiformes]
  • Gruidae, family, Vigors 1825 [Gruiformes]
  • Gruiformes, order, Bonaparte 1854 [Aves]
  • Grus, Brisson 1760 [Gruidae]
  • Gryzaja, Zubareva 1939 [Otididae]
  • Guixia, You 1977 [Paraceratheriidae]
  • Gymnophiona, order, C. S. Rafinesque 1814 [Amphibia]
  • Gymnurechinus, P.M. Butler 1956 [Erinaceidae]
  • Gypsornis, Milne-Edwards 1868 [Gruiformes]
  • Gyrinophilus, Cope 1869 [Plethodontidae]
  • Habromeryx, Cabrera 1929 [Cervidae]
  • Hadrictis, Pia 1939 [Mustelidae]
  • Hadrokkosaurus, Welles 1958 [Brachyopoidea]
  • Haematopodidae, family, Bonaparte 1838 [Charadriiformes]
  • Halcyones, suborder [Coraciiformes]
  • Halcyornis, Owen 1846 [Halcyornithidae]
  • Halcyornithidae, family, Harrison and Walker 1972 [Psittaciformes]
  • Hallautherium, W. A. Clemens 1980 [Morganucodonta]
  • Hallopoda, suborder, O. C. Marsh 1881 [Reptilia]
  • Hangaiemys, V. B. Sukhanov and P. Narmandakh 1974 [Testudines]
  • Hapalops, F. Ameghino 1887 [Xenarthra]
  • Haplobunodon, C. Deperet 1908 [Choeropotamidae]
  • Haplocyon, Schlosser 1901 [Amphicyonidae]
  • Haplocyonoides, H. Hürzeler 1940 [Amphicyonidae]
  • Haplocyonopsis, de Bonis 1973 [Amphicyonidae]
  • Haplomastodon, Hoffstetter 1950 [Gomphotheriidae]
  • Haptodus, Gaudry 1886 [Haptodontiformes]
  • Hardella, Gray 1870 [Emydidae]
  • Harpaleocyon, J. Hürzeler 1944 [Ursidae]
  • Harpyodidae, family, Wang 1979 [Amblypoda]
  • Harrisonsaurus, J. A. Holman 1981 [Iguanidae]
  • Hayemys, Gaffney 1972 [Baenidae]
  • Hegetotherium, F. Ameghino 1887 [Hegetotheriidae]
  • Hegetotheroidea, superfamily [Notoungulata]
  • Helarctos, Horsfield 1826 [Ursidae]
  • Heleophilus, Broom 1909 [Millerettidae]
  • Heleosuchus, Broom 1913 [Younginidae]
  • Helicoportax, Pilgrim 1937 [Bovidae]
  • Helicotragus, Palmer 1903 [Bovidae]
  • Heliornithidae, family, Gray 1841 [Ralliformes]
  • Helladotherium, Gaudry 1860 [Giraffidae]
  • Helochelys, H. von Meyer 1854 [Solemydidae]
  • Heloderma, Wiegmann 1829 [Squamata]
  • Helodermatidae, family, Gray 1837 [Squamata]
  • Helogale, Gray 1861 [Herpestidae]
  • Helohyidae, family, Marshall 1877 [Mammalia]
  • Helveticosauridae, family, Peyer 1955 [Placodontia]
  • Helvetiodon, W. A. Clemens 1980 [Morganucodontidae]
  • Hemibos, Falconer 1865 [Bovidae]
  • Hemichelys, Lydekker 1887 [Carettochelyidae]
  • Hemichoerus, Filhol 1882 [Suidae]
  • Hemidactylus, Cuvier 1817 [Gekkonidae]
  • Hemihegetotherium, Rovereto 1914 [Hegetotheriidae]
  • Hemimeryx, Lydekker 1883 [Anthracotheriidae]
  • Hemiprotosuchus, J. F. Bonaparte 1969 [Protosuchidae]
  • Hemistrepsiceros, Pilgrim and Hopwood 1928 [Bovidae]
  • Hemitragus, Hodgson 1841 [Bovidae]
  • Hemixotodon, Cabrera and Kraglievich 1931 [Toxodontidae]
  • Henodontidae, family, F. von Huene 1936 [Placodontia]
  • Henophidia, infraorder [Squamata]
  • Herpestes, Illliger 1811 [Herpestidae]
  • Herpestides, de Beaumont 1967 [Carnivora]
  • Hesperidoceras, Crusafont Pairo 1965 [Bovidae]
  • Heterocemas, Young 1937 [Artiodactyla]
  • Heterodon, Latreille 1801 [Colubridae]
  • Heteromyidae, family, Gray 1868 [Rodentia]
  • Heteroprox, Schaub 1928 [Artiodactyla]
  • Heterorhea, Rovereto 1914 [Struthioniformes]
  • Heuneus, Toerien 1953 [Dicynodontia]
  • Hippocamelus, Leuckart 1816 [Cervidae]
  • Hippohyus, Falconer and Cautley 1847 [Suidae]
  • Hippomorpha, suborder [Perissodactyla]
  • Hippopotamoidea, superfamily [Mammalia]
  • Hipposauridae, family, Watson and Romer 1956 [Biarmosuchia]
  • Hipposaurus, Haughton 1929 [Biarmosuchia]
  • Hipposideridae, family, Lydekker 1891 [Chiroptera]
  • Hippotragus, Sundevall 1845 [Bovidae]
  • Hispanochampsa, Kalin 1936 [Alligatoridae]
  • Hispanotherium, Crusafont and Villalta 1947 [Rhinocerotidae]
  • Hofmeyria, Broom 1935 [Theriodontia]
  • Hofmeyriidae, family [Theriodontia]
  • Holbrookia, Girard 1851 [Iguanidae]
  • Holopsisuchus, Kuhn 1961 [Reptilia]
  • Homalodotheriidae, family, Gregory 1910 [Notoungulata]
  • Homalodotherium, Huxley 1870 [Homalodotheriidae]
  • Hominidae, family, Gray 1825 [Primates]
  • Hominoidea, superfamily, Gray 1825 [Primates]
  • Honanotherium, Bohlin 1927 [Giraffidae]
  • Hoplophorus, P. W. Lund 1838 [Glyptodontidae]
  • Huananodon, You 1977 [Perissodactyla]
  • Huangotherium [Rhinocerotidae]
  • Huanhepterus, Z. Dong 1982 [Reptilia]
  • Huberophis, J.A. Holman 1977 [Erycidae]
  • Hulgana, M. Dawson 1962 [Ischyromyidae]
  • Hupehsuchidae, family [Hupehsuchia]
  • Hyaenictis, Gaudry 1861 [Hyaenidae]
  • Hyaenodontidae, family, J. Leidy 1869 [Hyaenodonta]
  • Hydaspicobus, Pilgrim 1939 [Bovidae]
  • Hydaspitherium, Lydekker 1877 [Giraffidae]
  • Hydrictis, Pocock 1921 [Mustelidae]
  • Hydrochoeridae, family, Gill 1872 [Rodentia]
  • Hydrochoerinae, subfamily (Gill 1872) [Caviidae]
  • Hydromedusa, Wagler 1830 [Chelidae]
  • Hydropotes, Swinhoe 1870 [Cervidae]
  • Hylaeochampsa, Owen 1874 [Reptilia]
  • Hylaeochampsidae, family, Williston 1925 [Reptilia]
  • Hylidae, family, Rafinesque 1815 [Anura]
  • Hylobatidae, family, Gray 1870 [Primates]
  • Hyloplesion, Fritsch 1883 [Hyloplesiontidae]
  • Hynobiidae, family, Cope 1866 [Urodela]
  • Hyoboops, Trouessart 1905 [Anthracotheriidae]
  • Hyopsodontidae, family, Trouessart 1879 [Condylarthra]
  • Hyosus, Pilgrim 1926 [Suidae]
  • Hyperdichobune, H. G. Stehlin 1910 [Dichobunidae]
  • Hyperleptus, F. Ameghino 1891 [Megalonychidae]
  • Hyperodapedon, Huxley 1859 [Reptilia]
  • Hyperoxotodon, Mercerat 1895 [Toxodontidae]
  • Hypsamynodon, Gromova 1954 [Amynodontidae]
  • Hypsodontus, Sokolov 1949 [Bovidae]
  • Hyracodontidae, family, Cope 1879 [Perissodactyla]
  • Hyracoidea, order, Huxley 1869 [Mammalia]
  • Hystricidae, family, Fischer de Waldheim 1817 [Rodentia]
  • Hystricognathi, suborder, Tullberg 1899 [Rodentia]
  • Hystricomorpha, infraorder [Rodentia]
  • Iberomeryx, Gabunia 1964 [Tragulidae]
  • Ibidopsis, Lydekker 1891 [Ralliformes]
  • Icaronycteroidea, superfamily [Chiroptera]
  • Ichthyophiidae, family [Gymnophiona]
  • Ichthyopterygia, order, R. C. Owen 1840 [unclassified order]
  • Ichthyosauridae, family, Bonaparte 1841 [Ichthyopterygia]
  • Ichthyostegalia, order, Save-Soderbergh 1932 [Stegocephali]
  • Ichthyostegidae, family, Save-Soderbergh 1932 [Tetrapodomorpha]
  • Ichthyostegopsis, Save-Soderbergh 1932 [Ichthyostegidae]
  • Ictidorhinidae, family, Broom 1932 [Biarmosuchia]
  • Ictidorhinus, Broom 1913 [Biarmosuchia]
  • Ictidostoma, Broom 1931 [Theriodontia]
  • Ictidosuchidae, family, Broom 1903 [Theriodontia]
  • Ictidosuchoides, Broom 1931 [Theriodontia]
  • Ictidosuchoides intermedius, Broom 1940 [unclassified species]
  • Ictidosuchoides longiceps, Broom 1920 [unclassified species]
  • Ictidosuchoides rubidgei, Broom 1936 [unclassified species]
  • Ictitherium, Wagner 1848 [Hyaenidae]
  • Ictonyx, Kaup 1835 [Mustelidae]
  • Ictopidium, O. Zdansky 1930 [Changlelestidae]
  • Idiornis, Oberholser 1899 [Gruiformes]
  • Idiornithidae, family, Brodkorb 1965 [Gruiformes]
  • Iguana, Laurenti 1768 [Iguanidae]
  • Iguanavus, Marsh 1892 [Squamata]
  • Iguania, infraorder, G. Cuvier 1817 [Squamata]
  • Ilchunaia, Rusconi 1946 [Sebecidae]
  • Ilchunaia parva, Rusconi 1946 [Sebecidae]
  • Ilerdaesaurus, Hoffstetter 1966 [Teiidae]
  • Indicatoridae, family, Swainson 1837 [Piciformes]
  • Indolophus, G. E. Pilgrim 1925 [Indolophidae]
  • Indoredunca, Pilgrim 1939 [Bovidae]
  • Indratherium, Pilgrim 1910 [Giraffidae]
  • Indricotherium, Borissiak 1916 [Paraceratheriidae]
  • Indriidae, family, Burnett 1828 [Primates]
  • Indrioidea, superfamily [Primates]
  • Injanatherium, Heintz et al. 1981 [Canthumerycidae]
  • Inostrancevia, Amalitski 1922 [Theriodontia]
  • Intasuchus, Konzhukova 1956 [Intasuchidae]
  • Interatherium, F. Ameghino 1887 [Interatheriidae]
  • Iranotherium, Ringström 1924 [Rhinocerotidae]
  • Ischignathus, J. F. Bonaparte 1963 [Traversodontidae]
  • Isodontosaurus, C. W. Gilmore 1943 [Squamata]
  • Itaboraitherium, Paula Couto 1970 [Oldfieldthomasiidae]
  • Jacana, Brisson 1760 [Jacanidae]
  • Jacanidae, family, Stejneger 1885 [Charadriiformes]
  • Jacheleria, Bonaparte 1971 [Kannemeyeriidae]
  • Jonkeria, Hoepen 1916 [Titanosuchidae]
  • Jozaria, N.A. Wells and P.D. Gingerich 1983 [Anthracobunidae]
  • Kabulicornis, Heintz and Thomas 1981 [Bovidae]
  • Kachuga, Gray 1869 [Emydidae]
  • Kallokibotiidae, family, Nopcsa 1923 [Chelonia]
  • Kamacops, Gubin 1980 [Dissorophidae]
  • Kannemeyeria, Seeley 1908 [Cryptodontidae]
  • Kannemeyeriidae, family, Huene 1948 [Dicynodontia]
  • Kansajsuchus, Efimov 1975 [Goniopholididae]
  • Karatausuchus, Efimov 1976 [Reptilia]
  • Karauridae, family, Ivachnenko 1978 [Amphibia]
  • Karaurus, Ivachnenko 1978 [Karauridae]
  • Kawingasaurus, Cox 1972 [Therochelonia]
  • Kennalestidae, family [Mammalia]
  • Kenyamyidae, family, R. Lavocat 1973 [Rodentia]
  • Keraterpetontidae, family, O. Jaekel 1903 [Nectridea]
  • Keratocephalus, Huene 1931 [Tapinocephalidae]
  • Kestrosaurus, Haughton 1925 [Capitosauridae]
  • Kichechia, Savage 1965 [Herpestidae]
  • Kinixys, Bell 1827 [Testudinidae]
  • Kinosternon, von Spix 1824 [Testudines]
  • Koalliella, Herre 1950 [Salamandridae]
  • Kobikeryx, Pilgrim 1939 [Bovidae]
  • Kobus, Smith 1840 [Bovidae]
  • Kolpochoerus, van Hoepen and van Hoepen 1932 [Suidae]
  • Korynochoerus, N. Schmidt-Kittler 1971 [Suidae]
  • Kotlassia, Amalitzky 1921 [Seymouriidae]
  • Kotlassidae, family, Romer 1933 [Seymouriamorpha]
  • Koupia, Boonstra 1948 [Dicynodontia]
  • Kubanochoerus, Gabunia 1955 [Suidae]
  • Kubanotragus, Gabunia 1973 [Bovidae]
  • Kuehneotheriidae, family, Kermack et al. 1968 [Mammalia]
  • Kvabebihyrax, Gabunia and Vekua 1966 [Pliohyracidae]
  • Lacertidae, family, Bonaparte 1831 [Squamata]
  • Lacertilia, order, R. Owen 1842 [Squamata]
  • Lacertulus, Carroll 1981 [Reptilia]
  • Laemanctus, Wiegmann 1834 [Iguanidae]
  • Lagomorpha, order, Brandt 1885 [Mammalia]
  • Lammidhania, Gingerich 1977 [Anthracobunidae]
  • Lampropeltis, Fitzinger 1843 [Colubridae]
  • Lanthaniscus, Ivakhnenko 1980 [Lanthaniscidae]
  • Lanthanotidae, family, Steindachner 1878 [Squamata]
  • Laphyctis, J. Viret 1933 [Mustelidae]
  • Lapparentopheidae, family, Hoffstetter 1960 [Squamata]
  • Laridae, family, Vigors 1825 [Charadriiformes]
  • Lartetotherium, Ginsburg 1974 [Rhinocerotidae]
  • Laterallus, Bonaparte 1854 [Ralliformes]
  • Latonia, H. von Meyer 1843 [Anura]
  • Leecyaena, Young and Liu 1948 [Hyaenidae]
  • Leiocephalikon, Steen 1934 [Gymnarthridae]
  • Leiocephalus, Gray 1827 [Iguanidae]
  • Leiosaurus, Duméril and Bibron 1837 [Iguanidae]
  • Lemuriformes, infraorder, W. K. Gregory 1915 [Primates]
  • Lemuroidea, suborder, Mivart 1864 [Primates]
  • Lemurosaurus, Broom 1949 [Burnetiamorpha]
  • Leontinia, Ameghino 1895 [Leontiniidae]
  • Lepidophyma, Duméril 1851 [Xantusiidae]
  • Lepidosauromorpha, infraclass, M. J. Benton 1983 [Reptilia]
  • Leptictidium, H. Tobien 1962 [Pseudorhyncocyonidae]
  • Leptobos, Rütimeyer 1877 [Bovidae]
  • Leptodactylus, Fitzinger 1826 [Leptodactylidae]
  • Leptoglossa, infraorder [Squamata]
  • Leptopterygiidae, family, Kuhn 1934 [Heteropinnatoidea]
  • Leptosomidae, family, Bonaparte 1850 [Coraciiformes]
  • Leptotheridium, Stehlin 1910 [Xiphodontidae]
  • Leptotragus, Bohlin 1936 [Bovidae]
  • Lessnessina, J. J. Hooker 1979 [Hyopsodontidae]
  • Lestodelphys, Tate 1934 [Didelphidae]
  • Lestodon, Gervais 1855 [Mylodontidae]
  • Lestophis, Marsh 1885 [Rhineuridae]
  • Lethiscidae, family, Wellstead 1982 [Aistopoda]
  • Lethiscus, Wellstead 1982 [Lethiscidae]
  • Letoverpeton, Spinar 1952 [Discosauridae]
  • Libycosuchidae, family, Stromer 1914 [Reptilia]
  • Libytherium, Pomel 1892 [Giraffidae]
  • Licaphrium, Ameghino 1887 [Proterotheriidae]
  • Limnatornis, Milne-Edwards 1870 [Coliidae]
  • Limnerpeton, Fritsch 1881 [Micromelerpetontidae]
  • Limognitherium, Filhol 1880 [Chalicotheriidae]
  • Lindholmemys, Riabinin 1935 [Dermatemydidae]
  • Lissemys, Smith 1931 [Trionychidae]
  • Listriodon, von Meyer 1846 [Suidae]
  • Lithornidae, family [Aves]
  • Lithornis, Owen 1840 [Aves]
  • Litopterna, order, Ameghino 1889 [Mammalia]
  • Longiscitula, DeMar 1966 [Dissorophidae]
  • Lophialetes, Matthew and Granger 1925 [Lophialetidae]
  • Lophialetidae, family, Matthew and Granger 1925 [Perissodactyla]
  • Lophiaspis, Depéret 1910 [Lophiodontidae]
  • Lophiobunodon, Deperet 1908 [Choeropotamidae]
  • Lophiodontidae, family, T. Gill 1872 [Perissodactyla]
  • Lophiohys [Helohyidae]
  • Lophiopus, Ellenberger 1980 [Equidae]
  • Lophochoerus, Pilgrim 1926 [Suidae]
  • Lopholistriodon, Pickford and Wilkinson 1975 [Suidae]
  • Loricata, infraorder [Edentata]
  • Lorisoidea, superfamily [Primates]
  • Louisina, Russell 1964 [Louisinidae]
  • Loxodonta, Cuvier 1825 [Elephantidae]
  • Loxomma, Huxley 1862 [Loxommatinae]
  • Loxommatidae, family, Watson 1917 [Baphetoidea]
  • Loxommatoidea, superfamily, Watson 1926 [Labyrinthodontia]
  • Ludiortyx, Brodkorb 1964 [Ralliformes]
  • Lunania, Chow 1957 [Embrithopoda]
  • Lupersuchus [Reptilia]
  • Lutreolina, Thomas 1910 [Didelphidae]
  • Luzocephalus, Shishkin 1980 [Lydekkerinidae]
  • Lycaena (Hensel 1863) [Hyaenidae]
  • Lycaenodon, Broom 1925 [Biarmosuchia]
  • Lycaenops, Broom 1925 [Theriodontia]
  • Lycaon, Brookes 1827 [Canidae]
  • Lycideops, Broom 1931 [Theriodontia]
  • Lycideopsidae, family, Broom 1931 [Theriodontia]
  • Lycyaena, Hensel 1863 [Hyaenidae]
  • Lygodactylus, Gray 1864 [Gekkonidae]
  • Lyncodon, Gervais 1844 [Mustelidae]
  • Lyrocephaliscus, Kuhn 1961 [Lyrocephaliscidae]
  • Lyrocerus, Teilhard de Jardin and Trassaert 1938 [Bovidae]
  • Lysorophia, order [Lepospondyli]
  • Lysorophidae, family, Williston 1908 [Microsauria]
  • Mabokopithecus, G.H.R. von Koenigswald 1969 [Suidae]
  • Mabuya, Fitzinger 1826 [Scincidae]
  • Macedonitherium, Sickenberg 1967 [Giraffidae]
  • Machimosaurus [Reptilia]
  • Macrauchenia, Owen 1838 [Macraucheniidae]
  • Macraucheniopsis, Paula Couto 1945 [Macraucheniidae]
  • Macrocephalochelys, Pidoplichko and Tarashchuk 1960 [Chelydridae]
  • Macroclemys (J. E. Gray 1856) [Chelydridae]
  • Macroeuphractus, F. Ameghino 1887 [Dasypodidae]
  • Macrogalidia, Schwarz 1910 [Viverridae]
  • Macromerion, Fritsch 1879 [Sphenacodontidae]
  • Macroscelidea, order, Butler 1956 [Mammalia]
  • Macroscelididae, family, C. L. Bonaparte 1838 [Macroscelidea]
  • Madoqua, Ogilby 1837 [Bovidae]
  • Makapania, Wells and Cooke 1957 [Bovidae]
  • Malpolon, Fitzinger 1826 [Colubridae]
  • Mammutidae, family, Hay 1922 [Proboscidea]
  • Mammutoidea, suborder [Proboscidea]
  • Marcetia, G. Petter 1967 [Mustelidae]
  • Marmosa, Gray 1821 [Didelphidae]
  • Masilabune, H. Tobien 1980 [Choeropotamidae]
  • Masillamys, H. Tobien 1954 [Ischyromyidae]
  • Mastodonsauridae, family, Lydekker 1885 [Mastodonsauroidea]
  • Mauremys, Gray 1870 [Geoemydidae]
  • Medistylus, Stirton 1952 [Hegetotheriidae]
  • Megachiroptera, suborder, Dobson 1875 [Chiroptera]
  • Megacnemus, von Huene 1954 [Prolacertidae]
  • Megadermatidae, family, H. Allen 1864 [Chiroptera]
  • Megadyptes, Milne-Edwards 1880 [Spheniscidae]
  • Megaegotheles, Scarlett 1968 [Aegothelidae]
  • Megalapidae, family [Primates]
  • Megalapteryx, Haast 1885 [Dinornithidae]
  • Megaloceros, Brookes 1828 [Cervidae]
  • Megalohyrax, Andrews 1903 [Pliohyracidae]
  • Megalonychoidea, superfamily [Xenarthra]
  • Megalonychops, Kraglievich 1927 [Megalonychidae]
  • Megalonychotherium, Scott 1904 [Megalonychidae]
  • Megalotragus, van Hoepen 1932 [Bovidae]
  • Megalotriton, Zittel 1890 [Salamandridae]
  • Megalovis, Schaub 1924 [Bovidae]
  • Megamolgophis, Romer 1952 [Lysorophia]
  • Meiolaniidae, family, Lydekker 1887 [Reptilia]
  • Melanopelta, Shishkin 1967 [Plagiosauridae]
  • Melanosuchus, Gray 1862 [Alligatoridae]
  • Melidellavus, L. Ginsburg 1961 [Mustelidae]
  • Mellivora, Storr 1780 [Mustelidae]
  • Mellivorodon, Lydekker 1884 [Felidae]
  • Melodon, Zdansky 1924 [Mustelidae]
  • Melosauridae, family, Fritsch 1885 [Eryopoidea]
  • Melosaurus, von Meyer 1857 [Archegosauroidea]
  • Melursus, Meyer 1793 [Ursidae]
  • Menelikia, Arambourg 1941 [Bovidae]
  • Meniscodon, Rütimeyer 1888 [Dichobunidae]
  • Meroehyrax, Whitworth 1954 [Pliohyracidae]
  • Meropidae, family, Vigors 1825 [Coraciiformes]
  • Mertensiella, Wolterstorff 1925 [Salamandridae]
  • Merycoidodontoidea, superfamily [Artiodactyla]
  • Merycopotamus, Falconer and Cautley 1847 [Anthracotheriidae]
  • Mesaceratherium, K. Keissig 1969 [Rhinocerotidae]
  • Meschotherium, Gabunia 1964 [Perissodactyla]
  • Mesembriacerus, Bouvrain 1975 [Bovidae]
  • Mesembriportax, Gentry 1974 [Bovidae]
  • Mesenosauridae, family [Reptilia]
  • Mesenosaurus, Efremov 1938 [Varanopidae]
  • Mesitornithidae, family, Wetmore 1960 [Turniciformes]
  • Mesochoerus, Shaw and Cooke 1941 [Suidae]
  • Mesomephitis, G. Petter 1967 [Mustelidae]
  • Mesonychia, order [Acreodi]
  • Mesosuchia, suborder, T. H. Huxley 1875 [Reptilia]
  • Mesosuchus, Watson 1912 [Reptilia]
  • Mesotheriidae, family, Alston 1876 [Notoungulata]
  • Mesotherium, Serres 1867 [Mesotheriidae]
  • Messelobunodon, Franzen 1980 [Dichobunidae]
  • Metacervulus, Teilhard de Jardin and Trassaert 1937 [Cervidae]
  • Metacordylodon, Schlosser 1911 [Dimylidae]
  • Metahapalodectes, Dashzeveg 1976 [Mesonychidae]
  • Metailurus, Zdansky 1924 [Felidae]
  • Metarctos, Gaudry 1860 [Ursidae]
  • Metoposaurus, R. Lydekker 1890 [Metoposauridae]
  • Metopotoxus, F. Ameghino 1895 [Glyptodontidae]
  • Metridiochoerus, Hopwood 1926 [Suidae]
  • Metriorhynchidae, family, Fitzinger 1843 [Reptilia]
  • Metriotherium, Filhol 1882 [Dichobunidae]
  • Meyasaurus, Vidal 1915 [Teiidae]
  • Miacoidea, superfamily, E. D. Cope [Carnivora]
  • Micoureus, Lesson 1842 [Didelphidae]
  • Micranteosaurus, Boonstra 1954 [Anteosauridae]
  • Microbrachidae, family, Fritsch 1883 [Microbrachomorpha]
  • Microbrachis, Fric 1876 [Microbrachidae]
  • Microbunodon, Depéret 1908 [Mammalia]
  • Microchiroptera, suborder, G. E. Dobson 1875 [Chiroptera]
  • Microhylidae, family, Günther 1858 [Anura]
  • Microhyus, Teilhard de Chardin 1927 [Perissodactyla]
  • Micromelerpetontidae, family, Boy 1972 [Dissorophoidea]
  • Micromeryx, Lartet 1851 [Moschidae]
  • Micropternodontidae, family [Mammalia]
  • Microstonyx, Pilgrim 1926 [Suidae]
  • Microtheledon, Broom 1936 [Procolophonidae]
  • Microtragus, Andres 1926 [Bovidae]
  • Millerettidae, family, Romer 1956 [Reptilia]
  • Millerosauroidea, suborder [Captorhinida]
  • Milnea, Lydekker 1891 [Ciconiiformes]
  • Mimeosaurus, C. W. Gilmore 1943 [Priscagamidae]
  • Mimolagus, Bohlin 1951 [Mimotonidae]
  • Minerva, R. W. Shufeldt 1915 [Xenarthra]
  • Mioachoerus [Dichobunidae]
  • Miocepphus, Wetmore 1940 [Alcidae]
  • Mioclaenidae, family, Osborn and Earle 1895 [Condylarthra]
  • Mioechinus, P. M. Butler 1948 [Erinaceidae]
  • Mioglareola, Ballmann 1979 [Glareolidae]
  • Miohyaena, Kretzoi 1938 [Hyaenidae]
  • Miomachairodus, N. Schmidt-Kittler 1976 [Felidae]
  • Miomephitis, R. Dehm 1950 [Mustelidae]
  • Mionatrix, Sun 1961 [Colubridae]
  • Miopelobates, Wettstein-Westersheimb 1955 [Pelobatidae]
  • Mioproteus, Estes and Darevsky 1978 [Proteidae]
  • Miotragocerus, Stromer 1928 [Bovidae]
  • Mixosauridae, family, G. Baur 1887 [Ichthyopterygia]
  • Mixtotherium, H. Filhol 1880 [Mixtotheriidae]
  • Mnemeiosaurus, Nopcsa 1923 [Brithopodidae]
  • Moeritheriidae, family, C.W. Andrews 1906 [Proboscidea]
  • Moeritherioidea, suborder [Proboscidea]
  • Moeritherium, C.W. Andrews 1901 [Moeritheriidae]
  • Moiachoerus, Golpe-Posse 1972 [Cebochoeridae]
  • Molossidae, family, Gervais 1856 [Chiroptera]
  • Molybdopygus, Tchudinov 1964 [Estemmenosuchidae]
  • Momotidae, family, Gray 1840 [Coraciiformes]
  • Monodelphis, Burnett 1830 [Didelphidae]
  • Monotremata, order, C. L. Bonaparte 1838 [Mammalia]
  • Mormosaurus, Watson 1914 [Tapinocephalidae]
  • Moropomorpha, suborder [Perissodactyla]
  • Moschorhinidae, family, Brink 1958 [Theriodontia]
  • Moschorhinus, Broom 1920 [Theriodontia]
  • Moschosaurus, Haughton 1915 [Tapinocephalidae]
  • Moschowhaitsia, Tatarinov 1963 [Theriodontia]
  • Mouillacitherium, Filhol 1882 [Dichobunidae]
  • Mourasuchus, Price 1964 [Alligatoridae]
  • Muchocephalus, Watson 1962 [Rhinesuchidae]
  • Mungos, E. Geoffroy Saint Hilaire and G. Cuvier 1795 [Herpestidae]
  • Muntiacus, Rafinesque 1815 [Cervidae]
  • Muridae, family, Illiger 1811 [Rodentia]
  • Muroidea, superfamily, Illiger 1811 [Rodentia]
  • Musophaga [Musophagidae]
  • Musophagidae, family, Bonaparte 1831 [Cuculiformes]
  • Mustelictis, Lange 1969 [Carnivora]
  • Mustelidae, family, G. Fischer 1817 [Carnivora]
  • Mygalea, A. Schreuder 1940 [Talpidae]
  • Mygalinia, A. Schreuder 1940 [Talpidae]
  • Mygatalpa, A. Schreuder 1940 [Talpidae]
  • Mylagaulidae, family, E.D. Cope 1881 [Rodentia]
  • Mylodontoidea, superfamily, Gill 1872 [Xenarthra]
  • Myocephalus, Broom 1936 [Procolophonidae]
  • Myognathus [Procolophonidae]
  • Myophiomyidae, family, R. Lavocat 1973 [Rodentia]
  • Myosaurus, Haughton 1917 [Therochelonia]
  • Myosorex, Gray 1838 [Soricidae]
  • Myotragus, Bate 1909 [Bovidae]
  • Mystriosaurus, Munster 1834 [Reptilia]
  • Myzopodidae, family, Milne-Edwards and A. Grandidier 1878 [Chiroptera]
  • Naja, J. N. Laurenti 1768 [Elapidae]
  • Nanchangasaurus [Hupehsuchidae]
  • Nanlingilambda, Tong 1979 [Amblypoda]
  • Nanocynodon, Tatarinov 1968 [Thrinaxodontidae]
  • Nanoparia, Broom 1936 [Reptilia]
  • Natalidae, family, Gray 1866 [Chiroptera]
  • Natrix, J. N. Laurenti 1768 [Colubridae]
  • Neanis, Brodkorb 1965 [Primobucconidae]
  • Nebraskophis, J. A. Holman 1973 [Colubridae]
  • Necromanis, Filhol 1894 [Patriomanidae]
  • Necrosauridae, family, R. Hoffstetter 1943 [Squamata]
  • Necrosaurus, H. Filhol 1876 [Necrosauridae]
  • Necrosuchus, Simpson 1937 [Alligatoridae]
  • Necturus, Rafinesque [Proteidae]
  • Neldasaurus, Chase 1965 [Dvinosauria]
  • Nematherium, F. Ameghino 1887 [Mylodontidae]
  • Neoaetosauroides, J. F. Bonaparte 1969 [Reptilia]
  • Neochelys, Bergounioux 1954 [Testudines]
  • Neococcyx, Weigel 1963 [Cuculidae]
  • Neomatronella, Russell et al. 1975 [Amphilemuridae]
  • Neomys, Kaup 1829 [Soricidae]
  • Neonatrix, J. A. Holman 1973 [Colubridae]
  • Neophrontops, Miller 1916 [Accipitridae]
  • Neosaurus, Nopsca 1923 [Sphenacodontidae]
  • Neotamandua, Rovereto 1914 [Myrmecophagidae]
  • Neothoracophorus, F. Ameghino 1889 [Glyptodontidae]
  • Nerodia, Baird and Girard 1853 [Colubridae]
  • Nesiotites, Bate 1945 [Soricidae]
  • Nesodon, R. Owen 1846 [Toxodontidae]
  • Nesotrochis, Wetmore 1918 [Ralliformes]
  • Nestoritherium, Kaup 1859 [Chalicotheriidae]
  • Neurankylidae, family [Baenidae]
  • Neurogymnurus, Filhol 1877 [Erinaceidae]
  • Neusibatrachus, Seiffert 1972 [Anura]
  • Nicrosaurus, O. Fraas 1866 [Parasuchidae]
  • Nisidorcas, Bouvrain 1979 [Bovidae]
  • Nopachtus, F. Ameghino 1888 [Glyptodontidae]
  • Noripterus, C.-C. Young 1973 [Dsungaripteridae]
  • Nothoprocta, Sclater and Salvin 1873 [Tinamidae]
  • Nothosauridae, family, Baur 1889 [Eosauropterygia]
  • Nothura, Wagler 1827 [Tinamidae]
  • Notiomastodon, Cabrera 1929 [Gomphotheriidae]
  • Notioprogonia, suborder, Simpson 1934 [Notoungulata]
  • Notobatrachus, O. A. Reig 1956 [Salientia]
  • Notochoerus, Broom 1925 [Suidae]
  • Notodiaphorus, Loomis 1914 [Macraucheniidae]
  • Notohippidae, family, F. Ameghino 1894 [Notoungulata]
  • Notohippus, F. Ameghino 1891 [Notohippidae]
  • Notophthalmus, Rafinesque 1820 [Salamandridae]
  • Notosauria, order (Baur 1889) [Sauropterygia]
  • Notosuchidae, family, L. Dollo 1924 [Reptilia]
  • Nyanzachoerus, L.S.B. Leakey 1958 [Suidae]
  • Nyctanassa, Stejneger 1887 [Ardeiformes]
  • Nyctereutes, Temminck 1839 [Canidae]
  • Nycteroleteridae, family, Romer 1956 [Reptilia]
  • Nycticonodon, Quinet 1964 [Mammalia]
  • Nycticorax, T. Forster 1817 [Ardeiformes]
  • Nyctisaura, suborder, Gray [Squamata]
  • Nyctitheriidae, family, G. G. Simpson 1928 [Mammalia]
  • Oblitavis, Mourer-Chauvire 1983 [Gruiformes]
  • Ocadia, Gray 1870 [Emydidae]
  • Occitaniavis, Mourer-Chauvire 1983 [Gruiformes]
  • Oceanites, Keyserling and Blasius 1840 [Oceanitidae]
  • Oceanitidae, family, Forbes 1882 [Procellariiformes]
  • Ochotonidae, family, Thomas 1897 [Lagomorpha]
  • Ocnerotherium, Pascual 1954 [Toxodontidae]
  • Octodontidae, family, Waterhouse 1839 [Rodentia]
  • Octodontoidea, superfamily, Waterhouse 1839 [Rodentia]
  • Octodontotherium, F. Ameghino 1894 [Mylodontidae]
  • Odonterpetontidae, family, Carroll and Gaskill 1978 [Microbrachomorpha]
  • Odontognathae, superorder, A. Wetmore 1930 [Aves]
  • Odontopterygia, suborder, Spulski 1910 [Pelecaniformes]
  • Odontopteryx, Owen 1873 [Odontopterygidae]
  • Ogmophis, E. D. Cope 1844 [Loxocemidae]
  • Ogygoptynx, Rich and Bohaska 1976 [Ogygoptyngidae]
  • Oioceros, Gaillard 1902 [Bovidae]
  • Oldfieldthomasiidae, family, G.G. Simpson 1945 [Notoungulata]
  • Oligodontosauridae, family, R. Estes 1975 [Squamata]
  • Oligosorex, Kretzoi 1959 [Soricidae]
  • Olonbulukia, Bohlin 1937 [Bovidae]
  • Omoiotyphlops, de Rochebrune 1884 [Squamata]
  • Omphalosauridae, family, Merriam 1906 [Ichthyopterygia]
  • Onactornis, Cabrera 1939 [Gruiformes]
  • Onchiodon, Geinitz 1861 [Eryopidae]
  • Ophiacodon, Marsh 1878 [Ophiacodontidae]
  • Ophiacodontidae, family, Nopsca 1923 [Eupelycosauria]
  • Ophiderpeton, Huxley 1866 [Ophiderpetontidae]
  • Ophiderpetontidae, family, Schwarz 1908 [Aistopoda]
  • Ophidium, C. Linnaeus 1758 [Squamata]
  • Ophipseudopus, Kuhn 1940 [Anguidae]
  • Ophisauriscus, Kühn 1940 [Anguidae]
  • Ophisaurus, Daudin 1803 [Anguidae]
  • Opisthias, C. W. Gilmore 1909 [Sphenodontidae]
  • Opisthocomidae, family, Swainson 1837 [Opisthocomiformes]
  • Opisthodactylidae, family, Ameghino 1895 [Gruiformes]
  • Opisthodactylus, Ameghino 1891 [Struthioniformes]
  • Oplurus, Cuvier 1829 [Opluridae]
  • Orasius, Oken 1816 [Bovidae]
  • Orchonoceros, Vislobokova 1979 [Bovidae]
  • Oreonager, Pomel 1895 [Bovidae]
  • Oreopithecidae, family, Schwalbe 1915 [Primates]
  • Oreotragus, Smith 1834 [Bovidae]
  • Oriadubitherium [Toxodontidae]
  • Ornimegalonyx, O. Arredondo 1958 [Strigidae]
  • Ornithocheiridae, family, H. G. Seeley 1870 [Reptilia]
  • Ornithorhynchidae, family, Gray 1825 [Monotremata]
  • Ornithorhynchus, Blumenbach 1800 [Ornithorhynchidae]
  • Ornithosuchia, suborder, Huene 1908 [Reptilia]
  • Ornithosuchidae, family, Huene 1908 [Reptilia]
  • Ornithosuchus, E. T. Newton 1894 [Reptilia]
  • Oroklambda, Dashzeveg 1980 [Amblypoda]
  • Orophodon, F. Ameghino 1894 [Orophodontidae]
  • Orthaspidotherium, Lemoine 1885 [Pleuraspidotheriidae]
  • Orthophyia, H. von Meyer 1845 [Proteidae]
  • Orycteropodidae, family, Gray 1821 [Tubulidentata]
  • Orycteropus, Geoffroy 1791 [Orycteropodidae]
  • Orygotherium, H. von Meyer 1838 [Bovidae]
  • Oryx, de Blainville 1816 [Bovidae]
  • Osteolaemus, Cope 1860 [Crocodylidae]
  • Ostodolepidae, family, Romer 1945 [Tuditanomorpha]
  • Otididae, family, Gray 1840 [Gruiformes]
  • Otocyon, Müller 1835 [Canidae]
  • Ototriton, Loomis 1919 [Rhineuridae]
  • Otrhonia, Roth 1901 [Notostylopidae]
  • Otsheria, Chudinov 1960 [Venyukovioidea]
  • Otus, Pennant 1769 [Strigidae]
  • Oweniasuchus, Woodward 1885 [Goniopholididae]
  • Pachycrocuta, Kretzoi 1938 [Hyaenidae]
  • Pachygazella, Teilhard de Jardin and Young 1931 [Bovidae]
  • Pachyhyrax, Schlosser 1910 [Pliohyracidae]
  • Pachyornis, Lydekker 1891 [Emeidae]
  • Pachypleuridae, family, Nopcsa 1928 [Eosauropterygia]
  • Pachyportax, Pilgrim 1937 [Bovidae]
  • Pachyrukhos, F. Ameghino 1885 [Hegetotheriidae]
  • Pachystropheus, von Huene 1935 [Reptilia]
  • Pachytegos, S. H. Haughton 1932 [Endothiodontidae]
  • Pachytragus, Schlosser 1904 [Bovidae]
  • Pachyvaranus, Arambourg 1952 [Pachyvaranidae]
  • Padiochelys [Testudines]
  • Paedsotherium, Burmeister 1888 [Hegetotheriidae]
  • Paenelimnoecus, S. Baudelot 1972 [Soricidae]
  • Palaeanodonta, suborder, W. D. Matthew 1918 [Mammalia]
  • Palaeaspis, Gray 1870 [Testudines]
  • Palaelodus, Milne-Edwards 1863 [Palaelodidae]
  • Palaeoamasia, Ozansoy 1966 [Arsinoitheriidae]
  • Palaeobatrachidae, family, E. D. Cope 1865 [Anura]
  • Palaeobatrachus, Tschudi 1839 [Palaeobatrachidae]
  • Palaeochenoides, Shufeldt 1916 [Cyphornithidae]
  • Palaeocryptonyx, Depéret 1892 [Phasanidae]
  • Palaeodoedicurus, Castellanos 1927 [Glyptodontidae]
  • Palaeoephippiorhynchus, Lambrecht 1930 [Ciconiidae]
  • Palaeogrus, Portis 1884 [Gruidae]
  • Palaeohierax, Milne-Edwards 1871 [Accipitridae]
  • Palaeolacerta, Cocude-Michel 1961 [Ardeosauridae]
  • Palaeomalpolon, Szyndlar 1981 [Colubridae]
  • Palaeomastodon, C.W. Andrews 1901 [Proboscidea]
  • Palaeomeles, de Villalta Comella and Crusafont Pairó 1943 [Mustelidae]
  • Palaeomerycidae, family, Lydekker 1883 [Artiodactyla]
  • Palaeomolgophis, Brough and Brough 1967 [Adelogyrinidae]
  • Palaeomyrmedon, Roverto 1914 [Myrmecophagidae]
  • Palaeonaja, R. Hoffstetter 1939 [Elapidae]
  • Palaeonatrix, Szyndlar 1982 [Colubridae]
  • Palaeopeltidae, family, F. Ameghino 1894 [Cingulata]
  • Palaeopeltis, F. Ameghino 1895 [Glyptodontidae]
  • Palaeophasianus, R. W. Shufeldt 1913 [Aramidae]
  • Palaeophidae, family [Squamata]
  • Palaeopleurodeles, Herre 1941 [Salamandridae]
  • Palaeoprionodon, Filhol 1880 [Carnivora]
  • Palaeopropithecidae, family, Tattersall 1973 [Primates]
  • Palaeoproteus, Herre 1935 [Batrachosauroididae]
  • Palaeopsittacus, Harisson 1982 [Psittacidae]
  • Palaeopython, Rochebrune 1880 [Boidae]
  • Palaeoreas, Gaudry 1861 [Bovidae]
  • Palaeortyx, Milne-Edwards 1869 [Phasianidae]
  • Palaeoryctidae, family, Winge 1917 [Mammalia]
  • Palaeoryx, Gaudry 1861 [Bovidae]
  • Palaeotapirus, Filhol 1888 [Tapiridae]
  • Palaeotis, Lambrecht 1928 [Palaeotididae]
  • Palaeotodus, Olson 1976 [Todidae]
  • Palaeotoxodon, F. Ameghino 1904 [Toxodontidae]
  • Palaeotragus, Gaudry 1861 [Giraffidae]
  • Palaeoxantusia, Hecht 1956 [Xantusiidae]
  • Palasiodon, Chow et al. 1976 [Hyopsodontidae]
  • Paleofarancia, Auffenberg 1963 [Colubridae]
  • Paleoheterodon, J. A. Holman 1964 [Colubridae]
  • Paleosuchus, Gray 1862 [Alligatoridae]
  • Paleryx, R. Owen 1850 [Boidae]
  • Paleuphractus, Kraglievich 1934 [Dasypodidae]
  • Paliguanidae, family, Broom 1926 [Reptilia]
  • Palinhyaena, Qiu et al. 1979 [Hyaenidae]
  • Pallimnarchus, De Vis 1886 [Crocodylidae]
  • Pallisteria, Charig 1967 [Thecodontia]
  • Paloplotherium [Palaeotheriidae]
  • Paludavis [Balaenicipitidae]
  • Pandion, Savigny 1809 [Pandionidae]
  • Pandionidae, family, Sclater and Salvin 1873 [Falconiformes]
  • Pannonictis, Kormos 1931 [Mustelidae]
  • Panochthus, Burmeister 1866 [Glyptodontidae]
  • Pantholops, Hodgson 1934 [Bovidae]
  • Pantodonta, order, E.D. Cope 1873 [Amblypoda]
  • Pantylidae, family, Case 1911 [Tuditanomorpha]
  • Pappidictops, Chiu and Li 1977 [Miacidae]
  • Papposaurus, Watson 1914 [Proterogyrinidae]
  • Parabenthosuchus, Ochev 1958 [Capitosauria]
  • Parabrachyodus, Forster-Cooper 1915 [Anthracotheriidae]
  • Parabradysaurus, Efremov 1954 [Estemmenosuchidae]
  • Parabreviodon, Reshetov 1975 [Perissodactyla]
  • Paracathartes, Harrison 1979 [Lithornithidae]
  • Paraceratherium, Forster Cooper 1911 [Paraceratheriidae]
  • Paracervulus, Teilhard de Chardin and Trassaert 1937 [Cervidae]
  • Paracochilius, Bordas 1939 [Interatheriidae]
  • Paracoluber, J.A. Holman 1970 [Colubridae]
  • Paracontogenys, Schatzinger 1975 [Xantusiidae]
  • Paracrax, Brodkorb 1964 [Gruiformes]
  • Paractitis, Weigel 1963 [Scolopacidae]
  • Paracyclotosaurus, D. M. S. Watson 1958 [Capitosauroidea]
  • Paradiceros, Hooijer 1968 [Rhinocerotidae]
  • Paradipsosaurus, Fries et al. 1955 [Iguanidae]
  • Paraentelodon, Gabunia 1964 [Entelodontidae]
  • Paraeuphractus, Scillato-Yané 1980 [Dasypodidae]
  • Paragale, G. Petter 1967 [Mustelidae]
  • Paragalerhinus, Sigogneau 1970 [Theriodontia]
  • Parageogale, Butler 1984 [Tenrecidae]
  • Paraglyptodon, Castellanos 1932 [Glyptodontidae]
  • Parahydraspis, Wieland 1923 [Chelidae]
  • Paralligator, Konjukova 1954 [Paralligatoridae]
  • Paralligatoridae, family, Konjukova 1954 [Reptilia]
  • Paralophiodon, Dedieu 1977 [Lophiodontidae]
  • Paramachaerodus, Pilgrim 1913 [Felidae]
  • Paramacrauchenia, Bordas 1939 [Macraucheniidae]
  • Paramynodon, Matthew 1829 [Amynodontidae]
  • Paranictops, Qiu 1977 [Pseudictopidae]
  • Paranourosorex, B. Rzebik-Kowalska 1975 [Soricidae]
  • Paranteosaurus, Boonstra 1954 [Anteosauridae]
  • Paranthodon, Nopcsa 1929 [Reptilia]
  • Paraoxybelis, Auffenberg 1963 [Colubridae]
  • Parapeltecoelus, Bordas 1938 [Peltephilidae]
  • Parapithecidae, family, Schlosser 1911 [Primates]
  • Parapithecoidea, superfamily, Schlosser 1911 [Primates]
  • Paraprionosaurus, C. W. Gilmore 1938 [Squamata]
  • Paraprotoryx, Bohlin 1935 [Bovidae]
  • Parapseudopus, Kuhn 1940 [Anguidae]
  • Parasaurus, H. von Meyer 1857 [Reptilia]
  • Parastrapotherium, Ameghino 1895 [Astrapotheriidae]
  • Parasuchus, Lydekker 1885 [Parasuchidae]
  • Paratalpa, R. Lavocat 1951 [Talpidae]
  • Paratrigodon, Cabrera and Kraglievich 1931 [Toxodontidae]
  • Paravaranidae, family, M. Borsuk-Bialynicka 1984 [Squamata]
  • Paravaranus, M. Borsuk-Bialynicka 1984 [Paravaranidae]
  • Pardirallus, Bonaparte 1856 [Ralliformes]
  • Pareiasauridae, family, Lydekker 1889 [Reptilia]
  • Pareiasauroidea, superfamily, Nopsca 1928 [Reptilia]
  • Parioxyidae, family, Moustafa 1955 [Eryopoidea]
  • Parmularius, Hopwood 1934 [Bovidae]
  • Paroedura, Günther 1879 [Gekkonidae]
  • Paromomyoidea, superfamily, G. G. Simpson 1940 [Primates]
  • Paroodectes, Springhorn 1980 [Miacidae]
  • Parotosuchus, Ochev and Shishkin 1968 [Capitosauroidea]
  • Paroxyclaenidae, family, K. Weitzel [Condylarthra]
  • Parurmiatherium, Sickenberg 1932 [Bovidae]
  • Parviderma, M. Borsuk-Bialynicka 1984 [Squamata]
  • Paschatherium, Russell 1963 [Perissodactyla]
  • Passeriformes, order, Linnaeus 1758 [Aves]
  • Passerina, Vieillot 1816 [Fringillidae]
  • Pataecops, Radinsky 1966 [Hyracodontidae]
  • Pecarichoerus, Colbert 1933 [Tayassuidae]
  • Pedeticosauridae, family, E. C. N. Van Hoepen 1915 [Reptilia]
  • Pedeticosaurus, E. C. N. Van Hoepen 1915 [Reptilia]
  • Pedetidae, family, Gray 1825 [Rodentia]
  • Pedetoidea, superfamily [Rodentia]
  • Pedionomidae, family, Gadow 1893 [Charadriiformes]
  • Pelagornis, Lartet 1857 [Pelagornithidae]
  • Pelagornithidae, family, Fürbringer 1888 [Aves]
  • Pelargopappus, Stejneger 1885 [Sagittariidae]
  • Pelea, Gray 1851 [Peleinae]
  • Pelecani, suborder [Pelecaniformes]
  • Pelecanidae, family, Vigors 1825 [Pelecaniformes]
  • Pelecanoididae, family, Gray 1871 [Procellariiformes]
  • Pelecomastes, De Vis 1897 [Chelidae]
  • Pelobates, Wagler 1830 [Pelobatidae]
  • Pelobatidae, family, Lataste 1879 [Anura]
  • Pelodytidae, family, E. D. Cope 1866 [Anura]
  • Pelomedusa, Wagler 1830 [Testudines]
  • Pelophilus, Tschudi 1838 [Discoglossidae]
  • Pelorocephalus, Cabrera 1944 [Chigutisauridae]
  • Pelorovis, Reck 1928 [Bovidae]
  • Peltephilus, F. Ameghino 1887 [Peltephilidae]
  • Peltobatrachidae, family, Kuhn 1960 [Rhinesuchoidea]
  • Peltosaurus, Cope 1872 [Squamata]
  • Pelurocoelodon [Isotemnidae]
  • Pentalophodon, Falconer 1857 [Gomphotheriidae]
  • Peramuridae, family, Kretzoi 1946 [Peramura]
  • Peratotherium [Didelphidae]
  • Percrocuta, Kretzoi 1938 [Percrocutidae]
  • Perimia, Pilgrim 1939 [Bovidae]
  • Periptychidae, family, E. D. Cope 1882 [Mammalia]
  • Perparvus [Kuehneosauridae]
  • Perunium, Orlov 1947 [Mustelidae]
  • Petrosuchus, Owen 1878 [Reptilia]
  • Pezophaps, Strickland 1848 [Raphidae]
  • Phacochoerus, F. Cuvier 1826 [Suidae]
  • Phaethontes, suborder, Sharpe 1891 [Pelecaniformes]
  • Phaethontidae, family, Brandt 1831 [Pelecaniformes]
  • Phalacrocoracidae, family, Reichenbach 1850 [Pelecaniformes]
  • Phalacrocorax, Brisson 1760 [Phalacrocoracidae]
  • Phascolotherium, R. Owen 1838 [Amphilestidae]
  • Phasianidae, family, Horsfield 1821 [Galliformes]
  • Phelsuma, Gray 1825 [Gekkonidae]
  • Phenacodontidae, family, Cope 1881 [Mammalia]
  • Phiomia, Andrews and Beadnell 1902 [Phiomiidae]
  • Phiomorpha, infraorder, Lavocat 1962 [Rodentia]
  • Phiomyidae, family, A.E. Wood 1955 [Rodentia]
  • Phocosaurus, Seeley 1888 [Tapinocephalidae]
  • Phoeniconotius, Miller 1963 [Phoenicopteridae]
  • Phoenicopteridae, family, Bonaparte 1838 [Ciconiiformes]
  • Phoeniculidae, family, Sclater 1924 [Coraciiformes]
  • Pholidocercus, W. von Koenigswald and G. Storch 1983 [Amphilemuridae]
  • Pholidogaster, Huxley 1862 [Colosteidae]
  • Phorusrhacos, Ameghino 1887 [Gruiformes]
  • Phreatophasma, Efremov 1954 [Caseidae]
  • Phrynops, Wagler 1830 [Testudines]
  • Phrynosoma, Wiegmann 1828 [Iguanidae]
  • Phthinosaurus, Efremov 1940 [Phthinosuchidae]
  • Phthinosuchidae, family, Efremov 1954 [Eotitanosuchia]
  • Phthinosuchus, Efremov 1954 [Phthinosuchidae]
  • Phyllostomatoidea, superfamily [Chiroptera]
  • Phyllotillon, Pilgrim 1910 [Chalicotheriidae]
  • Physornis, Ameghino 1895 [Gruiformes]
  • Phytosauria, suborder, Jaeger 1828 [Reptilia]
  • Phytosauridae, family, Jaeger 1828 [Parasuchidae]
  • Picidae, family, Vigors 1825 [Piciformes]
  • Piciformes, order, Meyer and Wolf 1810 [Aves]
  • Pilosa, infraorder, Flower 1883 [Xenarthra]
  • Pinaosuchus [Goniopholididae]
  • Pinguinus, Bonnaterre 1790 [Alcidae]
  • Pipidae, family, Gray 1825 [Anura]
  • Pisanodon, Zetti 1972 [Toxodontidae]
  • Placodontidae, family, Cope 1871 [Placodontia]
  • Plagiarthus [Interatheriidae]
  • Plagiorophus, Konjukova 1955 [Plagiosauridae]
  • Plagiosuchus, Huene 1922 [Plagiosauridae]
  • Planiplastron, Ckhikvadze 1971 [Chelydridae]
  • Planops, Ameghino 1887 [Megatheriidae]
  • Plastomenus, E. D. Cope 1873 [Trionychidae]
  • Plataleidae, family, Bonaparte 1838 [Ciconiiformes]
  • Platemys, Wagner 1830 [Chelidae]
  • Platybos, Pilgrim 1939 [Bovidae]
  • Platychelyidae, family [Testudines]
  • Platycraniellus, van Hoepen 1917 [Epicynodontia]
  • Platyhystrix, Williston 1911 [Dissorophidae]
  • Platyrrhini, infraorder, E. Geoffroy 1812 [Primates]
  • Plaxhaplous, F. Ameghino 1884 [Glyptodontidae]
  • Plegadis, Kaup 1829 [Plataleidae]
  • Plesiaceratherium, Young 1937 [Rhinocerotidae]
  • Plesiadapidae, family, Trouessart 1897 [Primates]
  • Plesiadapiformes, suborder, Simons and Tattersall 1972 [Primates]
  • Plesiadapoidea, superfamily [Primates]
  • Plesiaddax, Schlosser 1903 [Bovidae]
  • Plesiocathartes, Gaillard 1908 [Vulturidae]
  • Plesiochelyidae, family, Rütimeyer 1873 [Testudines]
  • Plesiodimylus, C. Gaillard 1897 [Dimylidae]
  • Plesiogale, Pomel 1947 [Mustelidae]
  • Plesiolacerta, R. Hoffstetter 1942 [Lacertidae]
  • Plesiomegatherium, Roth 1911 [Megatheriidae]
  • Plesiomeles, J. Viret and M. Crusafont Pairo 1955 [Mustelidae]
  • Plesiorycteropus, Filhol 1895 [Mammalia]
  • Plesiosauridae, family, Gray 1825 [Sauropterygia]
  • Plesiosauroidea, superfamily, S. P. Welles 1943 [Sauropterygia]
  • Plesiotortrix, Rochebrune 1884 [Boidae]
  • Plethodon, Tschudi 1838 [Plethodontidae]
  • Plethodontidae, family, Gray 1850 [Urodela]
  • Plethodontoidea, suborder [Urodela]
  • Pleuraspidotherium, Lemoine 1878 [Pleuraspidotheriidae]
  • Pleuroceros, Roger 1898 [Rhinocerotidae]
  • Pleurodeles, Michahelles 1830 [Salamandridae]
  • Pleurosauridae, family, Lydekker 1888 [Sphenodontidae]
  • Pliobatrachus, Fejérváry 1917 [Palaeobatrachidae]
  • Pliocervus, Hilzheimer 1922 [Artiodactyla]
  • Pliogonodon, J. Leidy 1856 [Goniopholididae]
  • Pliogyps, Tordoff 1959 [Cathartidae]
  • Pliohyracidae, family, Osborn 1899 [Hyracoidea]
  • Pliohyrax, Osborn 1899 [Pliohyracidae]
  • Pliopicus, Feduccia and Wilson 1967 [Picidae]
  • Pliopithecidae, family, Zapfe 1961 [Primates]
  • Pliosauridae, family, Seeley 1874 [Sauropterygia]
  • Pliosauroidea, superfamily, S. P. Welles 1943 [Sauropterygia]
  • Pliotragus, Kretzoi 1941 [Bovidae]
  • Plioviverrops, Kretzoi 1938 [Hyaenidae]
  • Plotornis, Milne-Edwards 1874 [Diomedeidae]
  • Podargidae, family, Gray 1847 [Caprimulgiformes]
  • Podiceps, Latham 1787 [Podicipedidae]
  • Podicipedidae, family, Bonaparte 1831 [Podicipediformes]
  • Podicipediformes, order, Fürbringer 1888 [Aves]
  • Podocnemis, Wagler 1830 [Testudines]
  • Polyborus, Vieillot 1816 [Falconidae]
  • Polyptchodon [Pliosauridae]
  • Polysphenodon, Jaeckel 1911 [Sphenodontidae]
  • Polysternon, Portis 1882 [Bothremydidae]
  • Pongidae, family, Elliot 1913 [Primates]
  • Postosuchus, S. Chatterjee 1985 [Reptilia]
  • Postpalerinaceus, Crusafont-Pairó and Villalta 1947 [Erinaceidae]
  • Postschizotherium, G.H.R. von Koenigswald 1932 [Pliohyracidae]
  • Potamochelys, Fitzinger 1843 [Bothremydidae]
  • Potamochoeroides, Dale 1948 [Suidae]
  • Praemegaceros, Portis 1920 [Cervidae]
  • Pravoslavleria [Theriodontia]
  • Prepotherium, F. Ameghino 1891 [Megatheriidae]
  • Presictis [Mustelidae]
  • Primelephas, Maglio 1970 [Elephantidae]
  • Primobucco, Brodkorb 1970 [Coraciiformes]
  • Prionosuchus, Price 1948 [Archegosauridae]
  • Pristerodontia, infraorder [Dicynodontia]
  • Pristerodontidae, family, Haughton and Brink 1954 [Pristerodontia]
  • Pristichampsus, Gervais 1853 [Reptilia]
  • Proaceratherium, L. Ginsburg and M. Hugueney 1980 [Rhinocerotidae]
  • Proailurus, Filhol 1879 [Carnivora]
  • Proamblysomus, Broom 1941 [Chrysochloridae]
  • Proamphibos, Pilgrim 1939 [Bovidae]
  • Proamphiuma, R. Estes 1969 [Amphiumidae]
  • Proanura, order, A. S. Romer 1945 [Anura]
  • Probrachyodus, Xu and Chiu 1962 [Anthracotheriidae]
  • Proburnetia, Tatarinov 1968 [Burnetiidae]
  • Procamptoceras (Schaub 1923) [Bovidae]
  • Procamptoceros, Schaub 1923 [Bovidae]
  • Procapra, Hodgson 1846 [Bovidae]
  • Procapreolus, Schlosser 1929 [Cervidae]
  • Procavia, Storr 1780 [Procaviidae]
  • Procaviidae, family, Thomas 1892 [Hyracoidea]
  • Procellariidae, family, Vigors 1825 [Procellariiformes]
  • Prochrysochloris, Butler and Hopwood 1957 [Chrysochloridae]
  • Procobus, Khomenko 1913 [Bovidae]
  • Procolophonoides, Ivakhnenko 1979 [Procolophonidae]
  • Procynops, Young 1965 [Salamandridae]
  • Procynosuchia, infraorder [Epicynodontia]
  • Procynosuchidae, family, Broom 1937 [Cynodontia]
  • Procyonidae, family, Gray 1825 [Carnivora]
  • Prodamaliscus, Schlosser 1904 [Bovidae]
  • Prodeinotherium, J. Ehik 1930 [Deinotheriidae]
  • Proedium, Ameghino 1895 [Mesotheriidae]
  • Proeuphractus, Ameghino 1886 [Dasypodidae]
  • Proganochelydia, suborder [Testudines]
  • Proganochelyidae, family [Testudines]
  • Progenetta, Deperet 1892 [Viverridae]
  • Progiraffa, Pilgrim 1908 [Giraffidae]
  • Progura, De Vis 1889 [Megapodiidae]
  • Proheptoconus, Bordas 1936 [Adianthidae]
  • Prohyracodon, Koch 1897 [Hyracodontidae]
  • Prohyrax, Stromer 1926 [Procaviidae]
  • Prolacerta, Parrington 1935 [Prolacertidae]
  • Prolacertidae, family, Parrington 1935 [Reptilia]
  • Proleptobos, Pilgrim 1939 [Bovidae]
  • Prolibytherium, Arambourg 1961 [Palaeomerycidae]
  • Promastodonsaurus, Bonaparte 1963 [Mastodonsauridae]
  • Promeles, Zittel 1893 [Mustelidae]
  • Promellivora, Pilgrim 1932 [Mustelidae]
  • Promephitis, Gaudry 1861 [Mustelidae]
  • Promesochoerus, L.S.B. Leakey 1965 [Suidae]
  • Prominatherium, Teller 1884 [Anthracotheriidae]
  • Promusophaga, Harrison and Walker 1977 [Lithornidae]
  • Propalaeochoerus, Stehlin 1899 [Suidae]
  • Propalaeomeryx, Lydekker 1883 [Giraffidae]
  • Propelargus, Lydekker 1891 [Ciconiidae]
  • Prophaethontidae, family, Harrison and Walker 1976 [Pelecaniformes]
  • Proplatyarthrus, F. Ameghino 1905 [Xenarthra]
  • Proplatynotia, M. Borsuk-Bialynicka 1984 [Necrosauridae]
  • Propontosmilus, Kretzoi 1929 [Felidae]
  • Propotamochoerus, Pilgrim 1925 [Suidae]
  • Propraopus, F. Ameghino 1881 [Dasypodidae]
  • Proputorius, Filhol 1890 [Mustelidae]
  • Prosantorhinus, Heissig 1973 [Rhinocerotidae]
  • Proscalopidae, family [Mammalia]
  • Proscelidodon, Bordas 1935 [Mylodontidae]
  • Prosimii, suborder, C. Illiger 1811 [Primates]
  • Prosinotragus, Bohlin 1935 [Bovidae]
  • Prostrepsiceros, Forsyth Major 1891 [Bovidae]
  • Prosybris, Brodkorb 1970 [Tytonidae]
  • Protanancus, Arambourg 1945 [Gomphotheriidae]
  • Protarctos, Kretzoi 1945 [Mustelidae]
  • Protechinus, Lavocat 1961 [Erinaceidae]
  • Proteidae, family, Hogg 1838 [Urodela]
  • Protembolotherium, Yanovskaya 1954 [Brontotheriidae]
  • Protenrec, Butler and Hopwood 1957 [Tenrecidae]
  • Proteoidea, suborder [Amphibia]
  • Proterochersidae, family, Nopcsa 1928 [Reptilia]
  • Proterosuchia, suborder, Broom 1906 [Thecodontia]
  • Proterosuchidae, family, R. Broom 1906 [Reptilia]
  • Proteus, Laurenti 1768 [Proteidae]
  • Protictitherium, Kretzoi 1938 [Hyaenidae]
  • Protobatrachidae, family, Romer 1945 [Anura]
  • Protochelydra, Erickson 1973 [Chelydridae]
  • Protognathus, Basilewsky 1950 [unclassified genus]
  • Protopelicanus, Reichenbach 1852 [Pelecanidae]
  • Protornis, H. von Meyer 1844 [Motmotidae]
  • Protorosauria, order, Huxley 1871 [Reptilia]
  • Protoryx, Forsyth Major 1891 [Bovidae]
  • Protostegidae, family, Cope 1873 [Testudines]
  • Protosuchia, suborder, C. C. Mook 1934 [Reptilia]
  • Prototheria, subclass, Gill 1872 [Mammalia]
  • Prototheria (Gill 1872) [Mammalia]
  • Prototocyon, Pohle 1928 [Canidae]
  • Protragelaphus, Dames 1883 [Bovidae]
  • Protragocerus, Deperet 1887 [Bovidae]
  • Protrogomorpha, infraorder, K. A. Zittel 1893 [Rodentia]
  • Protypotherium, F. Ameghino 1882 [Interatheriidae]
  • Proxestops, J. A. Gauthier 1982 [Anguidae]
  • Pseudacris, Fitzinger 1843 [Hylidae]
  • Pseudamphicyon, Schlosser 1887 [Amphicyonidae]
  • Pseudarctos, Schlosser 1899 [Amphicyonidae]
  • Pseudaxis, Gray 1872 [Cervidae]
  • Pseudeumeces, Hoffstetter 1944 [Lacertidae]
  • Pseudhesperosuchus, Bonaparte 1969 [Reptilia]
  • Pseudictopidae, family, A. Sulimski 1969 [Anagalida]
  • Pseudobos, Schlosser 1903 [Bovidae]
  • Pseudobranchus, Gray 1825 [Sirenidae]
  • Pseudocemophora, Auffenberg 1963 [Colubridae]
  • Pseudocivetta, G. Petter 1963 [Viverridae]
  • Pseudocyonopsis, Kuss 1965 [Amphicyonidae]
  • Pseudohegetotherium, Cabrera and Kraglievich 1931 [Hegetotheriidae]
  • Pseudolacerta, G. De Stefano 1903 [Cordylidae]
  • Pseudoprepotherium, Hoffstetter 1961 [Mylodontidae]
  • Pseudorhineura, Vanzolini 1951 [Rhineuridae]
  • Pseudorhyncocyon, Filhol 1892 [Pseudorhyncocyonidae]
  • Pseudorhyncocyonidae, family, B. Sigé 1974 [Mammalia]
  • Pseudotragus, Schlosser 1904 [Bovidae]
  • Pseudotriton, Tschudi 1838 [Plethodontidae]
  • Psittaciformes, order, Wagler 1830 [Aves]
  • Psophiidae, family, Bonaparte 1831 [Gruiformes]
  • Pterocles, Temminck 1815 [Columbiformes]
  • Pteroclidae, family, Bonaparte 1831 [Columbiformes]
  • Pterodactylidae, family, Bonaparte 1838 [Reptilia]
  • Pterodactyloidea, suborder, Plieninger 1901 [Reptilia]
  • Pterodactylus, Cuvier 1809 [Reptilia]
  • Pterodaustridae, family, J. F. Bonaparte 1971 [Reptilia]
  • Pterodaustro, Bonaparte 1970 [Reptilia]
  • Pterodroma, Bonaparte 1856 [Procellariidae]
  • Pteropodidae, family, Gray 1821 [Chiroptera]
  • Pterosauria, order, Kaup 1834 [Reptilia]
  • Pterygoboa, J.A. Holman 1976 [Erycidae]
  • Ptychadena, Boulenger 1917 [Ranidae]
  • Ptychogaster, Pomel 1847 [Geoemydidae]
  • Ptychoramphus, Brandt 1837 [Alcidae]
  • Puercosaurus, S. W. Williston 1916 [Reptilia]
  • Puffinus, Brisson 1760 [Procellariidae]
  • Pultiphagonides, Hopwood 1934 [Bovidae]
  • Putterillia, Broom 1915 [Stereospondyli]
  • Pygoscelis, Wagler 1832 [Spheniscidae]
  • Pyramiodontherium, Rovereto 1914 [Megatheriidae]
  • Pyrotheria, suborder, F. Ameghino 1895 [Mammalia]
  • Pyrotheriidae, family, Ameghino 1889 [Mammalia]
  • Pyrotherium, F. Ameghino 1888 [Pyrotheridae]
  • Querandiornis, Rusconi 1958 [Tinamidae]
  • Quercygale, Kretzoi 1945 [Mammalia]
  • Quercylurus, L. Ginsburg 1979 [Nimravidae]
  • Quipollornis, Rich and McEvey 1977 [Aegothelidae]
  • Qurliqnoria, Bohlin 1937 [Bovidae]
  • Rabaticeras, Ennouchi 1953 [Bovidae]
  • Rabidosaurus, Kalandadze 1970 [Dicynodontidae]
  • Ralli, suborder [Gruiformes]
  • Rallidae, family, Vigors 1825 [Ralliformes]
  • Rallus, C. Linnaeus 1758 [Ralliformes]
  • Rana, Linnaeus 1758 [Ranidae]
  • Ranidae, family, Rafinesque 1814 [Anura]
  • Raphenacodus, Gabunia 1971 [Artiodactyla]
  • Raphicerus, Smith 1827 [Bovidae]
  • Raphus, Brisson 1760 [Raphidae]
  • Rauisuchia, suborder, F. v. Huene 1942 [Reptilia]
  • Rauisuchidae, family, F. v. Huene 1942 [Reptilia]
  • Raulringueletia, Zett 1972 [Hegetotheriidae]
  • Recurvirostridae, family, Bonaparte 1854 [Charadriiformes]
  • Redunca, H. Smith 1827 [Bovidae]
  • Remiculus, D. E. Russell 1964 [Adapisoriculidae]
  • Remiornis, Lemoine 1881 [Remiornithidae]
  • Restes, J. A. Gauthier 1982 [Squamata]
  • Rhacophoridae, family, Hoffman 1932 [Anura]
  • Rhacophorus, Kuhl and van Hasselt 1822 [Rhacophoridae]
  • Rhagatherium, Pictet 1857 [Choeropotamidae]
  • Rhamphorhynchidae, family, H. G. Seeley 1870 [Reptilia]
  • Rhamphorhynchoidea, suborder, Plieninger 1901 [Reptilia]
  • Rhamphorhynchus, Meyer 1847 [Rhamphorhynchidae]
  • Rhamphosuchus, Lydekker 1886 [Reptilia]
  • Rhegminornis, Wetmore 1943 [Rhegminornithidae]
  • Rheidae, family, Bonaparte 1849 [Struthioniformes]
  • Rheiformes, order [Aves]
  • Rhinatrematidae, family [Gymnophiona]
  • Rhineceps, Watson 1962 [Rhinesuchidae]
  • Rhinesuchoidea, superfamily [Temnospondyli]
  • Rhinesuchus, Broom 1908 [Rhinesuchidae]
  • Rhineura, Cope 1861 [Rhineuridae]
  • Rhinocerocephalus, Vjuschkov 1969 [Kannemeyeriidae]
  • Rhinocerolophiodon, K.-H. Fischer 1977 [Lophiodontidae]
  • Rhinodicynodon, Kalandadze 1970 [Dicynodontia]
  • Rhinolophidae, family, Gray 1825 [Chiroptera]
  • Rhinolophoidea, superfamily [Chiroptera]
  • Rhinophrynidae, family [Anura]
  • Rhinophrynus, C. Dumeril and G. Bibron 1841 [Rhinophrynidae]
  • Rhinosauriscus, Kuhn 1963 [Seymouriidae]
  • Rhizomyidae, family, Miller and Gidley 1918 [Spalacidae]
  • Rhodanogekko, Hoffstetter 1946 [Gekkonidae]
  • Rhodopagus, Radinsky 1965 [Hyracodontidae]
  • Rhombomylus, Zhai 1978 [Eurymylidae]
  • Rhopalodon, Fischer von Waldheim 1841 [Eutherapsida]
  • Rhynchaeites, E. Wittich 1898 [Ciconiiformes]
  • Rhynchonkos, Schulze and Foreman 1981 [Goniorhynchidae]
  • Rhynchosaurus, Owen 1842 [Reptilia]
  • Rhynchotragus, Neumann 1905 [Bovidae]
  • Rhynochetidae, family, Newton 1868 [Gruiformes]
  • Rhynotragus, Reck 1925 [Bovidae]
  • Rhytidosteidae, family, Huene 1920 [Rhytidosteoidea]
  • Riacama, Ameghino 1899 [Gruiformes]
  • Ricnodon, Fritsch 1883 [Hapsidopareiontidae]
  • Riebeeckosaurus, Boonstra 1952 [Tapinocephalidae]
  • Ringueletia, Reig 1958 [Dasypodidae]
  • Robertia, Boonstra 1948 [Pylaecephalidae]
  • Robertiidae, family, Cluver and King 1983 [Diictodontia]
  • Romainvillia, Lebedinsky 1927 [Anseriformes]
  • Ronzotherium, A. Aymard 1854 [Rhinocerotidae]
  • Rosasia, Costa 1940 [Bothremydidae]
  • Rostratulidae, family, Ridgway 1919 [Charadriiformes]
  • Rubidgina, Broom 1942 [Biarmosuchia]
  • Ruminantia, suborder, Scopoli 1777 [Artiodactyla]
  • Rusconiodon, J. F. Bonaparte 1970 [Traversodontidae]
  • Ruticeros, Pilgrim 1939 [Bovidae]
  • Rutiodon, E. Emmons 1856 [Parasuchidae]
  • Sabadellictis, G. Petter 1963 [Mustelidae]
  • Saghatherium, Andrews and Beadnell 1902 [Pliohyracidae]
  • Sagittariidae, family [Falconiformes]
  • Sakya, R. L. Carroll 1988 [Emydidae]
  • Salamandra, Laurenti 1768 [Urodela]
  • Salamandridae, family, J. E. Gray 1825 [Urodela]
  • Salamandrina, Fitzinger 1826 [Salamandridae]
  • Salamandroidea, suborder, Noble 1931 [Amphibia]
  • Saltenia, Reig 1959 [Pipidae]
  • Saltoposuchidae, family [Reptilia]
  • Saltoposuchus, von Huene 1921 [Reptilia]
  • Salvadora, Baird and Girard 1853 [Colubridae]
  • Samokeros, Solounias 1981 [Bovidae]
  • Samotherium, Forsyth Major 1888 [Giraffidae]
  • Sanitherium, H. von Meyer 1866 [Sanitheriidae]
  • Saniwides, M. Borsuk-Bialynicka 1984 [Varanidae]
  • Sapheosaurus, H. von Meyer 1850 [Sphenodontidae]
  • Sarcocyon, L. Ginsburg 1966 [Amphicyonidae]
  • Sarcoramphus, Dumeril 1806 [Cathartidae]
  • Sarmatosula, Grigorescu and Kessler 1977 [Sulidae]
  • Saturninia, Stehlin 1940 [Nyctitheriidae]
  • Saurerpetontidae, family, Chase 1965 [Dvinosauria]
  • Saurillus, Owen 1855 [Paramacellodidae]
  • Sauroctonus, Bystrow 1955 [Theriodontia]
  • Sauromalus, Duméril 1856 [Iguanidae]
  • Sauropodomorpha, suborder, F. v. Huene 1932 [Reptilia]
  • Scaglia, G. G. Simpson 1957 [Astrapotheriidae]
  • Scalopolacerta, Mendrez and Carroll 1979 [Theriodontia]
  • Scaloposauridae, family, R. Broom 1914 [Theriodontia]
  • Scandentia, order, Wagner 1855 [Mammalia]
  • Scaphiopus, Holbrook 1836 [Pelobatidae]
  • Scaphognathus, Wagner 1861 [Rhamphorhynchidae]
  • Scaphonyx, A. S. Woodward 1907 [Reptilia]
  • Scaptochirus, Milne-Edwards 1867 [Talpidae]
  • Scaptogale, Trouessart 1898 [Talpidae]
  • Scaptonyx, Milne-Edwards 1872 [Talpidae]
  • Scelidodon, F. Ameghino 1881 [Mylodontidae]
  • Scelidotherium, R. Owen 1839 [Mylodontidae]
  • Sceloporus, Wiegmann 1828 [Iguanidae]
  • Scharschengia, Huene 1940 [Sphenodontidae]
  • Schismotherium, F. Ameghino 1887 [Xenarthra]
  • Schizochoerus, M. Crusafont-Pairo and R. Lavocat 1954 [Artiodactyla]
  • Scincidae, family, Gray 1825 [Squamata]
  • Scincosauridae, family, Jaeckel 1909 [Nectridea]
  • Scincosaurus, Fric 1876 [Scincosauridae]
  • Sciuravidae, family, Miller and Gidley 1918 [Rodentia]
  • Sciurognathi, suborder, T. Tullberg 1899 [Rodentia]
  • Sciuroidea, superfamily [Rodentia]
  • Sciuromorpha, infraorder, Brandt 1855 [Rodentia]
  • Sclerocalyptus, F. Ameghino 1891 [Glyptodontidae]
  • Sclerocephalus, Goldfuss 1847 [Stereospondylomorpha]
  • Scleromochlidae, family, Huene 1914 [Reptilia]
  • Sclerosauridae, family, Nopsca 1923 [Reptilia]
  • Sclerosaurus, von Meyer 1857 [Procolophonidae]
  • Scolecomorphidae, family [Gymnophiona]
  • Scolecophidia, infraorder, Duméril and Bibron 1844 [Squamata]
  • Scoliomus, Williston and Case 1915 [Pelycosauria]
  • Scolopacidae, family, Rafinesque 1815 [Charadriiformes]
  • Scopidae, family [Ciconiiformes]
  • Scopus, Brisson 1760 [Scopidae]
  • Scraeva, P. E. Cray 1973 [Nyctitheriidae]
  • Scylacops, Broom 1913 [Theriodontia]
  • Selenarctos, P. M. Heude 1901 [Ursidae]
  • Selenoportax, Pilgrim 1937 [Bovidae]
  • Seleviniidae, family, Bashanov and Belosludov 1939 [Rodentia]
  • Semigenetta, Helbing 1927 [Viverridae]
  • Seymouriamorpha, suborder, D. M. S. Watson 1917 [Batrachosauria]
  • Seymouriidae, family, Williston 1911 [Seymouriamorpha]
  • Shamosuchus, Mook 1924 [Paralligatoridae]
  • Sharamynodon, Kretozi 1942 [Amynodontidae]
  • Shastasauridae, family, J. C. Merriam 1902 [Ichthyopterygia]
  • Shelania, Casamiquela 1960 [Pipidae]
  • Shensispira, Chiu et al. 1979 [Bovidae]
  • Simamphicyon, Viret 1942 [Miacidae]
  • Simatherium, Dietrich 1941 [Bovidae]
  • Simila [Sphenodontidae]
  • Simimyidae, family, A.E. Wood 1980 [Rodentia]
  • Simoedosaurus, Gervais 1877 [Reptilia]
  • Simoliopheidae, family [Squamata]
  • Simoliopheoidea, superfamily [Squamata]
  • Simorhinella, Broom 1915 [Theriodontia]
  • Simorhinellidae, family, Mendrez 1975 [Theriodontia]
  • Sinanas, Yeh 1980 [Anatidae]
  • Sinemys, Wiman 1930 [Testudines]
  • Sinictis, Zdansky 1924 [Mustelidae]
  • Sinoconodontidae, family [Triconodonta]
  • Sinohippus, R.-J. Zhai 1962 [Equidae]
  • Sinohyus, G.H.R. von Koenigswald 1963 [Suidae]
  • Sinoreas, Teilhard de Jardin and Trassaert 1938 [Bovidae]
  • Sinoryx, Teilhard de Jardin and Trassaert 1938 [Bovidae]
  • Sinotragus, Bohlin 1935 [Bovidae]
  • Siren, Linnaeus 1766 [Sirenidae]
  • Sirenidae, family, Gray 1825 [Urodela]
  • Sittidae, family, Lesson 1828 [Passeriformes]
  • Sivacapra, Pilgrim 1939 [Bovidae]
  • Sivaceros, Pilgrim 1937 [Bovidae]
  • Sivachoerus, Pilgrim 1926 [Suidae]
  • Sivacobus, Pilgrim 1939 [Bovidae]
  • Sivadenota, Pligrim 1939 [Bovidae]
  • Sivaelurus, Pilgrim 1913 [Felidae]
  • Sivafelis, Pilgrim 1932 [Felidae]
  • Sivahyus, Pilgrim 1926 [Suidae]
  • Sivalictis, Pilgrim 1932 [Mustelidae]
  • Sivanasua, G. E. Pilgrim 1931 [Procyonidae]
  • Sivaonyx, Pilgrim 1931 [Mustelidae]
  • Sivaportax, Pilgrim 1939 [Bovidae]
  • Sivasmilus, Kretzoi 1929 [Felidae]
  • Sivatherium, Falconer and Cautley 1836 [Giraffidae]
  • Sivatitanops, G. E. Pilgrim 1925 [Brontotheriidae]
  • Sivatragus, Pilgrim 1939 [Bovidae]
  • Sivoreas, G. E. Pilgrim 1939 [Bovidae]
  • Sivoryx, Pilgrim 1939 [Bovidae]
  • Siwalikosorex, Sahni and Khare 1976 [Soricidae]
  • Slaugenhopia, Olson 1962 [Tupilakosauridae]
  • Sokotochelys, Halstead 1979 [Testudines]
  • Solenodonsaurus, F. Broili 1924 [Tetrapoda]
  • Sonogrus, Kurochkin 1981 [Eogruidae]
  • Soricella, U. Doben-Florin 1964 [Soricidae]
  • Soricidae, family, Fischer 1814 [Mammalia]
  • Soriculus, Blyth 1845 [Soricidae]
  • Spalacoidea, superfamily, Gray 1821 [Rodentia]
  • Sparassocynus, Mercerat 1898 [Didelphidae]
  • Spathicephalus, Watson 1928 [Spathicephalidae]
  • Sphaerodactylus, Wagler 1830 [Gekkonidae]
  • Sphenacodon, Marsh 1878 [Sphenacodontidae]
  • Sphenacodontidae, family, Marsh 1878 [Sphenacodontoidea]
  • Spheniscidae, family, Bonaparte 1831 [Sphenisciformes]
  • Spheniscus, Brisson 1760 [Spheniscidae]
  • Sphenodonta, order [Rhynchocephalia]
  • Sphenodontidae, family, E. D. Cope 1869 [Rhynchocephalia]
  • Sphenosuchia, suborder [Reptilia]
  • Sphenotherus, F. Ameghino 1891 [Mylodontidae]
  • Spirocerus, Boule and Teilhard de Jardin 1928 [Bovidae]
  • Sporadotragus, Kretzoi 1968 [Bovidae]
  • Stagonolepis, Agassiz 1844 [Reptilia]
  • Staurikosauria, order, G. S. Paul 1988 [Reptilia]
  • Staurotypus, Wagler 1830 [Testudines]
  • Steatornithidae, family, Bonaparte 1842 [Caprimulgiformes]
  • Stegodon, Falconer 1857 [Elephantidae]
  • Stegodontidae, family, Osborn 1918 [Proboscidea]
  • Stegolophodon, Pohlig 1888 [Stegodontidae]
  • Stegotetrabelodon, Petrocchi 1941 [Elephantidae]
  • Stegotheriopsis, Bordas 1939 [Dasypodidae]
  • Stegotherium, F. Ameghino 1887 [Edentata]
  • Stellio, Laurenti 1768 [Agamidae]
  • Stenaulorhynchus, S. H. Haughton 1932 [Reptilia]
  • Steneosaurus, G. Saint-Hilaire 1825 [Teleosauridae]
  • Stenoplesictis, Filhol 1880 [Carnivora]
  • Stenotatus, F. Ameghino 1891 [Dasypodidae]
  • Stephanocemas, Colbert 1936 [Lagomerycidae]
  • Stephanorhinus, Kretzoi 1942 [Rhinocerotidae]
  • Stephanospondylus, Stappenbeck 1905 [Diadectidae]
  • Stercorariidae, family, Brisson 1760 [Charadriiformes]
  • Stereogenys, Andrews 1901 [Testudines]
  • Stereognathus, Charlesworth 1854 [Tritylodontidae]
  • Stereorhachis, Gaudry 1880 [Eothyrididae]
  • Sternbergia, Paula Couto 1970 [Sternbergiidae]
  • Stilosoma, Brown 1890 [Colubridae]
  • Stipanicicia, Reig 1956 [Mustelidae]
  • Strepsiportax, Pilgrim 1937 [Bovidae]
  • Strigidae, family, Vigors 1825 [Strigiformes]
  • Strigiformes, order, Wagler 1830 [Aves]
  • Strogulognathus, Filhol 1890 [Bovidae]
  • Stromeriella, R. Dehm 1950 [Procyonidae]
  • Strongylokrotaphus, Novozhilov 1964 [Pliosauridae]
  • Struthiocephaloides, Boonstra 1952 [Tapinocephalidae]
  • Struthiocephalus, Haughton 1915 [Tapinocephalidae]
  • Struthionidae, family, Vigors 1825 [Struthioniformes]
  • Struthioniformes, order, Latham 1790 [Aves]
  • Struthionops, Boonstra 1952 [Tapinocephalidae]
  • Stylinodontidae, family, O.C. Marsh 1875 [Mammalia]
  • Stylochoerus, van Hoepen and van Hoepen 1932 [Suidae]
  • Stylohipparion, van Hoepen 1932 [Equidae]
  • Suina, suborder, Gray 1868 [Artiodactyla]
  • Sulae, suborder, Reichenbach 1849 [Pelecaniformes]
  • Sulidae, family, Reichenbach 1849 [Pelecaniformes]
  • Suncus, Ehrenberg 1832 [Soricidae]
  • Suricata, Desmarest 1804 [Herpestidae]
  • Sycosaurus, Haughton 1924 [Theriodontia]
  • Sylviornis, F. Poplin 1980 [Megapodiidae]
  • Sylvisorex, Thomas 1904 [Soricidae]
  • Symmetrodonta, order, G. G. Simpson 1925 [Mammalia]
  • Symphysorrhachis, Belyaeva 1954 [Perissodactyla]
  • Symplectocyon, Springhorn 1979 [Amphicyonidae]
  • Symptosuchus, Ameghino 1899 [Goniopholididae]
  • Synastrapotherium, Paula Couto 1976 [Astrapotheriidae]
  • Syncerus, Hodgson 1847 [Bovidae]
  • Synconolophus, Osborn 1929 [Gomphotheriidae]
  • Syndyodosuchus, Konzhukova 1956 [Actinodontidae]
  • Syodon, Kutorga 1838 [Anteosauridae]
  • Syrrhopus, Boulenger 1888 [Leptodactylidae]
  • Syrtosmilus, L. Ginsburg 1978 [Barbourofelidae]
  • Tachyglossidae, family, Gill 1872 [Monotremata]
  • Tadorna, Boie 1822 [Anatidae]
  • Taeniodonta, order, E.D. Cope 1876 [Mammalia]
  • Talpidae, family (Fischer de Waldheim 1817) [Lipotyphla]
  • Tangasauridae, family, Haughton 1924 [Reptilia]
  • Tanystropheidae, family, Gervais 1859 [Reptilia]
  • Tanystropheus, von Meyer 1852 [Tanystropheidae]
  • Tapinocephalia, infraorder [Eutherapsida]
  • Tapinocephalidae, family, R. Owen 1876 [Eutherapsida]
  • Tapiroidea, superfamily, Gill 1872 [Perissodactyla]
  • Tarentola, Gray 1825 [Gekkonidae]
  • Taricha, Gray 1850 [Salamandridae]
  • Tarsiidae, family, Gray 1825 [Primates]
  • Tarsiiformes, infraorder, W. K. Gregory 1915 [Primates]
  • Taucanamo, G.G. Simpson 1945 [Artiodactyla]
  • Taurosaurus [Tapinocephalidae]
  • Taxodon, Lartet 1851 [Mustelidae]
  • Telecrex, A. Wetmore 1934 [Phasianidae]
  • Teleolophus, Matthew and Granger 1925 [Tapiridae]
  • Teleosauridae, family, Geoffroy 1831 [Reptilia]
  • Telmasaurus, C. W. Gilmore 1943 [Varanidae]
  • Telmatodon, Pilgrim 1907 [Anthracotheriidae]
  • Temnoclemmys, Bergounioux 1957 [Geoemydidae]
  • Teratornithidae, family, L. H. Miller 1909 [Falconiformes]
  • Terrapene, Merrem 1820 [Emydidae]
  • Tesselodon, Yan 1979 [Rhinocerotidae]
  • Testudinata, subclass (Oppel 1811) [Reptilia]
  • Tetracerus, Leach 1825 [Bovidae]
  • Tetraconodon, Falconer 1868 [Suidae]
  • Tetracynodon, Broom and Robinson 1948 [Theriodontia]
  • Teutomanis, Ameghino 1905 [Manidae]
  • Thalassemys, Rütimeyer 1859 [Thalassemydidae]
  • Thalassictis, Nordmann 1850 [Hyaenidae]
  • Thalattosauridae, family, Merriam 1904 [Thalattosauria]
  • Thaleroceros, Reck 1935 [Bovidae]
  • Thaumastocyon, Stehlin and Helbing 1925 [Ursidae]
  • Thaumastognathus, Trouessart 1898 [Choeropotamidae]
  • Thecadactylus, Cuvier 1820 [Gekkonidae]
  • Thecodontia, order, Owen 1859 [Reptilia]
  • Theosodon, Ameghino 1887 [Macraucheniidae]
  • Theridomyidae, family, Alston 1876 [Rodentia]
  • Theridomyoidea, superfamily, E. R. Alston 1876 [Rodentia]
  • Theriodictis, Mercerat 1891 [Canidae]
  • Theriognathus, Owen 1876 [Theriodontia]
  • Therioherpeton, Bonaparte and Barberena 1975 [Therioherpetidae]
  • Theriosuchus, R. C. Owen 1878 [Reptilia]
  • Thinocoridae, family, Gray 1845 [Charadriiformes]
  • Thoatherium, Ameghino 1887 [Proterotheriidae]
  • Thoracosaurus, J. Leidy 1852 [Reptilia]
  • Thryonomyidae, family, Pocock 1922 [Rodentia]
  • Thryonomyoidea, superfamily, Pocock 1922 [Rodentia]
  • Thylamys, Gray 1843 [Didelphidae]
  • Thylatheridium, Reig 1952 [Didelphidae]
  • Thylophorops, Reig 1952 [Didelphidae]
  • Tienshanilophus, Tong 1978 [Phenacolophidae]
  • Tilemsisuchus, Buffetaut 1980 [Dyrosauridae]
  • Tillodontia, order, Marsh 1875 [Mammalia]
  • Tinamidae, family, Gray 1840 [Tinamiformes]
  • Tinamiformes, order, Huxley 1872 [Aves]
  • Tinamus, Herrmann 1783 [Tinamidae]
  • Tinosaurus, O. C. Marsh 1872 [Squamata]
  • Titanohyrax, Matsumoto 1922 [Pliohyracidae]
  • Titanornis, Mercerat 1893 [Gruiformes]
  • Titanosuchia, infraorder [Eutherapsida]
  • Titanosuchidae, family, Broom 1903 [Eutherapsida]
  • Todidae, family, Vigors 1825 [Coraciiformes]
  • Tomistoma, Müller 1846 [Reptilia]
  • Toribos [Bovidae]
  • Torticornis, Dmitrieva 1977 [Bovidae]
  • Tossunnoria, Bohlin 1937 [Bovidae]
  • Totanus, Moehring 1758 [Scolopacidae]
  • Toxochelyidae, family, Baur 1895 [Testudines]
  • Toxodon, R. Owen 1837 [Toxodontidae]
  • Trachyaspis, H. von Meyer 1843 [Dermatemydidae]
  • Trachycalyptus, F. Ameghino 1908 [Glyptodontidae]
  • Trachydosaurus, Gray 1825 [Scincidae]
  • Trachytherus, F. Ameghino 1889 [Mesotheriidae]
  • Tragelaphus, de Blainville 1816 [Bovidae]
  • Tragocerus, Gaudry 1861 [Bovidae]
  • Tragoportax, Pilgrim 1937 [Bovidae]
  • Tragoreas, Schlosser 1908 [Bovidae]
  • Tragospira, Kretzoi 1954 [Bovidae]
  • Tragulidae, family, Milnes-Edwards 1864 [Artiodactyla]
  • Tragulohyus, Gervais 1874 [Artiodactyla]
  • Traguloidea, infraorder [Artiodactyla]
  • Traversodontidae, family, Huene 1936 [Gomphodontia]
  • Tregophis, J. A. Holman 1975 [Erycidae]
  • Tremacyllus, Ameghino 1891 [Hegetotheriidae]
  • Trematops, Williston 1909 [Trematopidae]
  • Trematosaurus, Burmeister 1849 [Trematosauridae]
  • Trematosuchus, Watson 1919 [Trematosauridae]
  • Triadobatrachus, Kuhn 1962 [Salientia]
  • Trialestes, Bonaparte 1982 [Reptilia]
  • Trialestia, suborder [Reptilia]
  • Trialestidae, family, Bonaparte 1982 [Reptilia]
  • Triceromeryx, Villalta Commela et al. 1946 [Palaeomerycidae]
  • Trichasaurus, Williston 1913 [Caseidae]
  • Triconodon, Owen 1859 [Triconodontidae]
  • Triconodonta, order, H. F. Osborn 1888 [Mammalia]
  • Triconodontidae, family, O. C. Marsh 1887 [Eutriconodonta]
  • Tricuspes, E. von Huene 1933 [Mammalia]
  • Tricuspiodontidae, family, G.G. Simpson 1929 [Hyopsodontidae]
  • Trigodon, Ameghino 1882 [Haplodontheriidae]
  • Trihecaton, Vaughn 1972 [Trihecatontidae]
  • Trihecatontidae, family, Vaughn 1972 [Tuditanomorpha]
  • Trilophosauria, order [Reptilia]
  • Trilophosauridae, family, W. K. Gregory 1945 [Reptilia]
  • Trimerorhachidae, family, Cope 1882 [Dvinosauria]
  • Trimerorhachis, Cope 1878 [Trimerorhachidae]
  • Trimerorhachoidea, superfamily [Dvinosauria]
  • Trimerostephanos, F. Ameghino 1895 [Isotemnidae]
  • Trionychidae, family, Gray 1825 [Testudines]
  • Trionychoidea, superfamily, Fitzinger 1826 [Testudines]
  • Trirachodontidae, family, A. S. Romer 1967 [Gomphodontia]
  • Trituberculata, infraclass [Mammalia]
  • Triturus, Rafinesque 1815 [Salamandridae]
  • Tritylodontidae, family, Cope 1884 [Cynodontia]
  • Trocharion, Forsyth Major 1903 [Mustelidae]
  • Trochictis, H. von Meyer 1842 [Mustelidae]
  • Trochili, suborder [Apodiformes]
  • Trochilidae, family, Vigors 1825 [Apodiformes]
  • Trochotherium, Fraas 1870 [Mustelidae]
  • Trogon, Moehring 1758 [Trogonidae]
  • Trogonidae, family, Lesson 1828 [Trogoniformes]
  • Tsaidamotherium, Bohlin 1935 [Bovidae]
  • Tsamnichoria, G.G. Simpson 1936 [Oldfieldthomasiidae]
  • Tseajaia, Vaughn 1964 [Tseajaiidae]
  • Tseajaiidae, family, Vaughn 1964 [Diadectomorpha]
  • Tubulidentata, order, Huxley 1872 [Mammalia]
  • Tulerpeton, Lebedeu 1984 [Tulerpetidae]
  • Tungurictis, Colbert 1939 [Hyaenidae]
  • Tupaiidae, family, Gray 1825 [Scandentia]
  • Tupinambis, Daudin 1802 [Squamata]
  • Turnicidae, family, Gray 1840 [Charadriiformes]
  • Turnix, Bonnaterre 1791 [Turnicidae]
  • Tylototriton, Anderson 1871 [Salamandridae]
  • Typhlonectidae, family [Gymnophiona]
  • Typhlopidae, family, Bonaparte 1831 [Squamata]
  • Typhlops, Oppel 1811 [Typhlopidae]
  • Typlothorax [Reptilia]
  • Typothericulus, Kraglievich 1930 [Mesotheriidae]
  • Typotheriopsis, Cabrera and Kraglievich 1930 [Mesotheriidae]
  • Typotheroidea, suborder [Notoungulata]
  • Tyto, Billberg 1828 [Tytonidae]
  • Tytonidae, family, Ridgway 1914 [Strigiformes]
  • Ugandax, Cooke and Coryndon 1970 [Bovidae]
  • Uintatheriidae, family, Flower 1876 [Amblypoda]
  • Upupidae, family, Bonaparte 1831 [Coraciiformes]
  • Uralokannemeyeria, Danilov 1971 [Stahleckeriidae]
  • Uranocentrodon, van Hoepen 1915 [Rhinesuchidae]
  • Urmiatherium, Rodler 1888 [Bovidae]
  • Urocordylidae, family, Lydekker 1889 [Nectridea]
  • Uromastyx, Merrem 1820 [Agamidae]
  • Urosaurus, Hallowell 1854 [Iguanidae]
  • Urotherium, Castellanos 1926 [Glyptodontidae]
  • Urotrichus, Temminck 1841 [Talpidae]
  • Ursidae, family, Gray 1825 [Carnivora]
  • Ursulus, Kretzoi 1954 [Ursidae]
  • Uruguaysuchidae, family, Gasparini 1971 [Reptilia]
  • Uruguaysuchus, Rusconi 1933 [Uruguaysuchidae]
  • Urumgia, Zhang et al. 1984 [Discosauriscidae]
  • Uta, Baird and Girard 1852 [Iguanidae]
  • Valenticarbo, Harrison 1979 [Phalacrocoracidae]
  • Varanidae, family, Hardwicke and Gray 1824 [Squamata]
  • Varanoidea, superfamily, J. E. Gray 1827 [Squamata]
  • Varanops, Watson 1914 [Varanopidae]
  • Varanus, Merrem 1820 [Varanidae]
  • Vassallia, Castellanos 1927 [Pampatheriidae]
  • Vectisaurus, J. W. Hulke 1879 [Reptilia]
  • Venaticosuchus, Bonaparte 1970 [Reptilia]
  • Venjukoviamorpha, infraorder [Dicynodontia]
  • Veragromovia, Gabunia 1961 [Perissodactyla]
  • Vermilingua, superfamily [Xenarthra]
  • Vespertilionoidea, superfamily [Chiroptera]
  • Vieraella, Reig 1961 [Anura]
  • Vinayakia, Pilgrim 1932 [Felidae]
  • Viretailurus, Hemmer 1965 [Felidae]
  • Vishnucobus, Pilgrim 1939 [Bovidae]
  • Vishnucyon, Pilgrim 1932 [Amphicyonidae]
  • Vishnufelis, Pilgrim 1932 [Felidae]
  • Vishnuictis, Pilgrim 1932 [Viverridae]
  • Vishnuonyx, Pilgrim 1932 [Mustelidae]
  • Vishnutherium, Lydekker 1876 [Giraffidae]
  • Viverricula, Hodgson 1838 [Viverridae]
  • Vjushkovisaurus, Ochev 1982 [Reptilia]
  • Volgasaurus, Kuzmin 1937 [Capitosauridae]
  • Volgasuchus, Efremov 1940 [Capitosauridae]
  • Vormela, Blasius 1884 [Mustelidae]
  • Vulturidae, family, Illiger 1811 [Cathartiformes]
  • Wawelia, Casamiquela 1963 [Ceratophryidae]
  • Weigeltisaurus, Kuhn 1939 [Reptilia]
  • Wetlugasaurus, Riabinin 1930 [Capitosauria]
  • Whaitsiidae, family, Haughton 1918 [Theriodontia]
  • Wolterstorffiella, Herre 1950 [Dicamptodontidae]
  • Xantusia, Baird 1859 [Xantusiidae]
  • Xantusiidae, family, Baird 1858 [Squamata]
  • Xenibis [Plataleidae]
  • Xenictis, Kretzoi 1938 [Mustelidae]
  • Xenochoerus, Zdarsky 1909 [Sanitheriidae]
  • Xenohyus, L. Ginsburg 1980 [Suidae]
  • Xenopus, Wagler 1827 [Pipidae]
  • Xenosauridae, family, E. D. Cope 1866 [Squamata]
  • Xesmodon, Berg 1899 [Proterotheriidae]
  • Xestops, Cope 1873 [Anguidae]
  • Xiphodontidae, family, W. H. Flower 1883 [Artiodactyla]
  • Xotodon, F. Ameghino 1887 [Toxodontidae]
  • Yaxartemys, Riabinin 1948 [Chelonia]
  • Youngornis, Yeh 1981 [Ralliformes]
  • Zaglossus, Gill 1877 [Tachyglossidae]
  • Zaisanamynodon, Belyaeva 1971 [Amynodontidae]
  • Zalambdodonta, suborder [Mammalia]
  • Zangerlia, M. Mlynarski 1972 [Nanhsiungchelyidae]
  • Zaphrissa, E. D. Cope 1866 [Discoglossidae]
  • Zapodidae, family, Coues 1875 [Rodentia]
  • Zarafa, Hamilton 1973 [Canthumerycidae]
  • Zatracheidae, family, Williston 1910 [Olsoniformes]
  • Zatrachys, E.D. Cope 1878 [Zatracheidae]
  • Zeltornis, Balouet 1981 [Ardeiformes]
  • Zhongyuanus, Hou 1980 [Diatrymidae]
  • Zorillodontops, Cluver 1969 [Theriodontia]
  • Zygodactylidae, family, Brodkorb 1971 [Aves]
  • Zygodactylus, Ballmann 1969 [Zygodactylidae]
  • Zygolestes, Ameghino 1898 [Didelphidae]
  • Zygosaurus, Eichwald 1848 [Dissorophidae]

Opinions from R. L. Carroll 1988

  • 'Aaptoryctes belongs to Palaeoryctidae'
  • 'Ablepharus belongs to Scincidae'
  • 'Aboletylestes belongs to Palaeoryctidae'
  • 'Abrictosaurus belongs to Heterodontosauridae'
  • 'Abrocomidae belongs to Octodontoidea'
  • 'Acamana belongs to Notoungulata'
  • 'Acanthodes belongs to Acanthodidae'
  • 'Acanthodidae belongs to Acanthodiformes'
  • 'Acanthodiformes belongs to Acanthodii'
  • 'Acanthopholis belongs to Nodosauridae'
  • 'Acanthostega belongs to Acanthostegidae'
  • 'Acanthostegidae belongs to Ichthyostegalia'
  • 'Accipitridae belongs to Falconiformes'
  • 'Aceratherium belongs to Rhinocerotidae'
  • 'Acerosodontosauridae belongs to Eosuchia'
  • 'Acerosodontosaurus belongs to Acerosodontosauridae'
  • 'Acheloma belongs to Trematopsidae'
  • 'Acherontemys belongs to Chelydridae'
  • 'Acherontiscidae belongs to Lepospondyli'
  • 'Acherontiscus belongs to Acherontiscidae'
  • 'Achlyoscapter belongs to Talpidae'
  • 'Acinonyx belongs to Felidae'
  • 'Aciprion belongs to Iguanidae'
  • 'Acleistorhinidae belongs to Captorhinomorpha'
  • 'Acleistorhinus belongs to Acleistorhinidae'
  • 'Acoelodus belongs to Oldfieldthomasiidae'
  • 'Acoelohyrax belongs to Isotemnidae'
  • 'Acotherulum belongs to Cebochoeridae'
  • 'Acris belongs to Hylidae'
  • 'Acrocanthosaurus belongs to Spinosauridae'
  • 'Acrochordidae belongs to Acrochordoidea'
  • 'Acrochordoidea belongs to Henophidia'
  • 'Acrochordus belongs to Acrochordidae'
  • 'Acrodelphidae belongs to Odontoceti'
  • 'Acrodelphis belongs to Acrodelphidae'
  • 'Acrophoca belongs to Phocidae'
  • 'Acropithecus belongs to Archaeopithecidae'
  • 'Acroplous belongs to Saurerpetontidae'
  • 'Acrotitan belongs to Brontotheridae'
  • 'Acteosaurus belongs to Dolichosauridae'
  • 'Actinodon belongs to Eryopidae'
  • 'Actiobates belongs to Trematopsidae'
  • 'Adamisaurus belongs to Teiidae'
  • 'Adapidae belongs to Adapiformes'
  • 'Adapidium belongs to Esthonychidae'
  • 'Adapiformes belongs to Prosimii'
  • 'Adapisorex belongs to Erinaceidae'
  • 'Adapisoriculus belongs to Insectivora'
  • 'Adcrocuta belongs to Hyaenidae'
  • 'Adeloblarina belongs to Soricidae'
  • 'Adelogyrinidae belongs to Lepospondyli'
  • 'Adelogyrinus belongs to Adelogyrinidae'
  • 'Adelospondylus belongs to Adelogyrinidae'
  • 'Adelphailurus belongs to Felidae'
  • 'Adelpharctos belongs to Ursidae'
  • 'Adianthidae belongs to Litopterna'
  • 'Adianthus belongs to Adianthidae'
  • 'Adiantoides belongs to Adianthidae'
  • 'Adinotherium belongs to Toxodontidae'
  • 'Admetophoneus belongs to Brithopodidae'
  • 'Adocus belongs to Dermatemydidae'
  • 'Adracon belongs to Carnivora'
  • 'Adunator belongs to Erinaceomorpha'
  • 'Aegialornis belongs to Aegialornithidae'
  • 'Aegialornithidae belongs to Apodi'
  • 'Aegothelidae belongs to Caprimulgiformes'
  • 'Aegyptosaurus belongs to Titanosauridae'
  • 'Aegyptosuchus belongs to Stomatosuchidae'
  • 'Aelurocyon belongs to Mustelidae'
  • 'Aelurodon belongs to Canidae'
  • 'Aelurogale belongs to Felidae'
  • 'Aelurognathus belongs to Gorgonopsidae'
  • 'Aeluroidea belongs to Carnivora'
  • 'Aeluropsis belongs to Felidae'
  • 'Aelurosaurus belongs to Gorgonopsidae'
  • 'Aeolodon belongs to Teleosauridae'
  • 'Aepinacodon belongs to Anthracotheriidae'
  • 'Aepisaurus belongs to Titanosauridae'
  • 'Aepycamelus belongs to Camelidae'
  • 'Aepyceros belongs to Bovidae'
  • 'Aepyornis belongs to Aepyornithidae'
  • 'Aepyornithidae belongs to Aepyornithiformes'
  • 'Aepyornithiformes belongs to Palaeognathae'
  • 'Aerosaurus belongs to Varanopseidae'
  • 'Aethia belongs to Alcidae'
  • 'Aetiocetidae belongs to Mysticeti'
  • 'Aetiocetus belongs to Aetiocetidae'
  • 'Aetosauria belongs to Thecodontia'
  • 'Aetosauroides belongs to Stagnolepididae'
  • 'Aetosaurus belongs to Stagnolepididae'
  • 'Afrocyon belongs to Amphicyonidae'
  • 'Afrosmilus belongs to Felidae'
  • 'Agabelus belongs to Delphinidae'
  • 'Agama belongs to Agamidae'
  • 'Agamidae belongs to Iguania'
  • 'Aglaocetus belongs to Balaenidae'
  • 'Agnotherium belongs to Amphicyonidae'
  • 'Agomphus belongs to Dermatemydidae'
  • 'Agorophiidae belongs to Odontoceti'
  • 'Agorophius belongs to Agorophiidae'
  • 'Agriocetus belongs to Odontoceti'
  • 'Agriochoeridae belongs to Merycoidodontoidea'
  • 'Agriochoerus belongs to Agriochoeridae'
  • 'Agriotherium belongs to Ursidae'
  • 'Aguascalientia belongs to Camelidae'
  • 'Aigialosauridae belongs to Varanoidea'
  • 'Aigialosaurus belongs to Aigialosauridae'
  • 'Aigialosuchus belongs to Crocodylidae'
  • 'Ailuravus belongs to Ischyromyidae'
  • 'Ailurictis belongs to Mustelidae'
  • 'Ailuropoda belongs to Ursidae'
  • 'Aistopoda was reranked as a order and belongs to Lepospondyli'
  • 'Aivukus belongs to Odobaenidae'
  • 'Akanthosuchus belongs to Alligatoridae'
  • 'Akidnognathus belongs to Moschorhinidae'
  • 'Akidnognathus parvus belongs to Akidnognathus' according to Haughton 1918
  • 'Akrochelys belongs to Carettochelyidae'
  • 'Aksyiria belongs to Artiodactyla'
  • 'Alachtherium belongs to Odobaenidae'
  • 'Alamosaurus belongs to Titanosauridae'
  • 'Alaudidae belongs to Passeriformes'
  • 'Albanerpeton belongs to Prosirenidae'
  • 'Albaneryx belongs to Boidae'
  • 'Albanohyus belongs to Tayassuidae'
  • 'Albertogaudryia belongs to Trigonostylopidae'
  • 'Albertosaurus belongs to Tyrannosauridae'
  • 'Albireo belongs to Albireonidae'
  • 'Albireonidae belongs to Odontoceti'
  • 'Alca belongs to Alcidae'
  • 'Alcedinidae belongs to Halcyones'
  • 'Alcelaphus belongs to Bovidae'
  • 'Alces belongs to Cervidae'
  • 'Alcidae belongs to Charadriiformes'
  • 'Alcodes belongs to Alcidae'
  • 'Alectrosaurus belongs to Tyrannosauridae'
  • 'Alegeinosaurus belongs to Dissorophidae'
  • 'Aletocyon belongs to Canidae'
  • 'Aletodon belongs to Hyopsodontidae'
  • 'Alforjas belongs to Camelidae'
  • 'Algoasaurus belongs to Titanosauridae'
  • 'Alioramus belongs to Tyrannosauridae'
  • 'Alitoxodon belongs to Toxodontidae'
  • 'Allacerops belongs to Hyracodontidae'
  • 'Allaeochelys belongs to Carettochelyidae'
  • 'Allalmeia belongs to Oldfieldthomasiidae'
  • 'Alle belongs to Alcidae'
  • 'Allictops belongs to Pseudictopidae'
  • 'Alligator belongs to Alligatoridae'
  • 'Alligatorellus belongs to Atoposaurides'
  • 'Alligatoridae belongs to Eusuchia'
  • 'Alligatorium is corrected as Alligatorum and belongs to Atoposaurides'
  • 'Allocyon belongs to Ursidae'
  • 'Allodaposuchus belongs to Crocodylidae'
  • 'Allodelphis belongs to Platanistidae'
  • 'Allodesmus belongs to Desmatophocidae'
  • 'Allognathosuchus belongs to Alligatoridae'
  • 'Allohyaena belongs to Hyaenidae'
  • 'Allopleuron belongs to Cheloniidae'
  • 'Allosauridae belongs to Theropoda'
  • 'Allosaurus belongs to Allosauridae'
  • 'Allosorex belongs to Soricidae'
  • 'Allostylops belongs to Arctostylopidae'
  • 'Allotheria belongs to Mammalia'
  • 'Alluvisorex belongs to Soricidae'
  • 'Almasauridae belongs to Almasauroidea'
  • 'Almasauroidea belongs to Temnospondyli'
  • 'Almasaurus belongs to Almasauridae'
  • 'Almogaver belongs to Phenacodontidae'
  • 'Alocodon is a subjective synonym of Alocodontulum'
  • 'Alocodontulum belongs to Epoicotheriidae'
  • 'Alopecocyon belongs to Ursidae'
  • 'Alopex belongs to Canidae'
  • 'Aloposaurus belongs to Gorgonopsidae'
  • 'Alsaticopithecus belongs to Amphilemuridae'
  • 'Alticonodon belongs to Triconodontidae'
  • 'Altilambda belongs to Pastoralodontidae'
  • 'Altispinax belongs to Spinosauridae'
  • 'Alzadasaurus belongs to Elasmosauridae'
  • 'Ambiortidae belongs to Neornithes'
  • 'Ambiortus belongs to Ambiortidae'
  • 'Amblycoptus belongs to Soricidae'
  • 'Amblysomus belongs to Chrysochloridae'
  • 'Amblystoma [misspelled as Ambystoma] belongs to Ambystomatidae'
  • 'Ambystomatidae belongs to Ambystomatoidea'
  • 'Ambystomatoidea belongs to Urodeles'
  • 'Ambystomichnus belongs to Dicamptodontidae'
  • 'Amebelodon belongs to Gomphotheriidae'
  • 'Ameghinornis belongs to Phorusrhacidae'
  • 'Ameiseophis belongs to Colubridae'
  • 'Ameiva belongs to Teiidae'
  • 'Amelotabes belongs to Epoicotheriidae'
  • 'Ammodramus belongs to Fringillidae'
  • 'Ammosaurus belongs to Anchisauridae'
  • 'Amphekepubis belongs to Mosasauridae'
  • 'Amphibamus belongs to Dissorophidae'
  • 'Amphicaenopus belongs to Rhinocerotidae'
  • 'Amphicetus belongs to Cetotheriidae'
  • 'Amphicticeps belongs to Ursidae'
  • 'Amphictis belongs to Mustelidae'
  • 'Amphicyanis belongs to Amphicyonidae'
  • 'Amphicyon belongs to Amphicyonidae'
  • 'Amphicyonidae belongs to Arctoidea'
  • 'Amphidontidae belongs to Symmetrodonta'
  • 'Amphilestes belongs to Amphilestinae'
  • 'Amphilestinae was reranked as the family Amphilestidae and belongs to Triconodonta'
  • 'Amphimerycidae belongs to Tylopoda'
  • 'Amphimeryx belongs to Amphimerycidae'
  • 'Amphimoschus belongs to Bovoidea'
  • 'Amphipelargus belongs to Ergilornithidae'
  • 'Amphiperatherium belongs to Didelphidae'
  • 'Amphiprox belongs to Cervoidea'
  • 'Amphisbaenidae belongs to Annulata'
  • 'Amphisorex belongs to Soricidae'
  • 'Amphitheriidae belongs to Eupantotheria'
  • 'Amphitragulus belongs to Moschidae'
  • 'Amphitriton belongs to Ambystomatidae'
  • 'Amphiuma belongs to Amphiumidae'
  • 'Amphiumidae belongs to Amphiumoidea'
  • 'Amphiumoidea belongs to Urodeles'
  • 'Amtosaurus belongs to Ankylosauridae'
  • 'Amygdalodon belongs to Cetiosauridae'
  • 'Amynodon belongs to Amynodontidae'
  • 'Amynodontidae belongs to Rhinocerotoidea'
  • 'Amynodontopsis belongs to Amynodontidae'
  • 'Anacharsis belongs to Delphinidae'
  • 'Anagale belongs to Anagalidae'
  • 'Anagalida belongs to Eutheria'
  • 'Anagalidae belongs to Anagalida'
  • 'Anagalopsis belongs to Anagalidae'
  • 'Analcimorphus belongs to Megalonychidae'
  • 'Analcitherium belongs to Mylodontidae'
  • 'Anancus belongs to Gomphotheriidae'
  • 'Anapsida belongs to Reptilia'
  • 'Anaptogale belongs to Anagalidae'
  • 'Anarosaurus belongs to Pachypleuridae'
  • 'Anaschisma [misspelled as Anaschima] belongs to Metoposauridae'
  • 'Anastylops belongs to Arctostylopidae'
  • 'Anatidae belongs to Anseriformes'
  • 'Anatolictis belongs to Mustelidae'
  • 'Anatosaurus belongs to Hadrosauridae'
  • 'Anchiblarinella belongs to Soricidae'
  • 'Anchiceratops belongs to Ceratopsidae'
  • 'Anchilestes belongs to Anagalida'
  • 'Anchisauridae belongs to Prosauropoda'
  • 'Anchisaurus belongs to Anchisauridae'
  • 'Anchitherium belongs to Equidae'
  • 'Anchitherium (Hypohippus) was reranked as Hypohippus and belongs to Equidae'
  • 'Anchitherium (Parahippus) was reranked as Parahippus and belongs to Equidae'
  • 'Ancylocoelus belongs to Leontiniidae'
  • 'Ancylotherium belongs to Chalicotheriidae'
  • 'Andalgalornis belongs to Phorusrhacidae'
  • 'Andegameryx belongs to Hypertragulidae'
  • 'Andescynodon belongs to Traversodontidae'
  • 'Andrewsarchus belongs to Mesonychidae'
  • 'Andrewsornis belongs to Phorusrhacidae'
  • 'Andrias belongs to Cryptobranchidae'
  • 'Aneides belongs to Plethodontidae'
  • 'Angelosaurus belongs to Caseidae'
  • 'Angistorhinus belongs to Phytosauridae'
  • 'Anglosuchus belongs to Pholidosauridae'
  • 'Angolosaurus belongs to Mosasauridae'
  • 'Angonisaurus belongs to Kannemeyeriidae'
  • 'Anguidae belongs to Anguoidea'
  • 'Anguis belongs to Anguidae'
  • 'Anguoidea belongs to Diploglossa'
  • 'Angustidens belongs to Soricidae'
  • 'Anhimidae belongs to Anseriformes'
  • 'Anhinga belongs to Anhingidae'
  • 'Anhingidae belongs to Sulae'
  • 'Anhuisaurus belongs to Lacertilia'
  • 'Anictis belongs to Viverridae'
  • 'Anictops belongs to Pseudictopidae'
  • 'Aniliidae belongs to Anilioidea'
  • 'Anilioidea belongs to Henophidia'
  • 'Anilioides belongs to Boidae'
  • 'Anisodelphis belongs to Platanistidae'
  • 'Anisodontosaurus belongs to Trilophosauridae'
  • 'Anisolambda belongs to Proterotheriidae'
  • 'Anisonchus belongs to Periptychidae'
  • 'Anisosiren belongs to Dugongidae'
  • 'Anisotemnus belongs to Isotemnidae'
  • 'Ankalagon belongs to Mesonychidae'
  • 'Ankylosauria belongs to Ornithischia'
  • 'Ankylosauridae belongs to Ankylosauria'
  • 'Ankylosaurus belongs to Ankylosauridae'
  • 'Annatherapsidus belongs to Moschorhinidae'
  • 'Anniella belongs to Anguidae'
  • 'Annulata belongs to Lacertilia'
  • 'Anoglochis belongs to Cervidae'
  • 'Anolis belongs to Iguanidae'
  • 'Anomalophidae belongs to Colubroidea'
  • 'Anomalophis belongs to Anomalophidae'
  • 'Anomalopteryx belongs to Dinornithidae'
  • 'Anomaluridae belongs to Anomaluroidea'
  • 'Anomaluroidea belongs to Sciurognathi'
  • 'Anomodon belongs to Diictodontidae'
  • 'Anomoiodon belongs to Procolophonidae'
  • 'Anomotherium belongs to Dugongidae'
  • 'Anoplonassa belongs to Ziphiidae'
  • 'Anoplosaurus belongs to Iguanodontidae'
  • 'Anoplosuchus belongs to Estemmenosuchidae'
  • 'Anoplotherium belongs to Anoplotheriidae'
  • 'Anosteira belongs to Carettochelyidae'
  • 'Anourosorex belongs to Soricidae'
  • 'Anqingosaurus belongs to Chamaeleonidae'
  • 'Anseriformes belongs to Neognathae'
  • 'Antarctosaurus belongs to Titanosauridae'
  • 'Anteosauridae belongs to Titanosuchia'
  • 'Anteosaurus belongs to Anteosauridae'
  • 'Antepithecus belongs to Interatheriidae'
  • 'Antesorex belongs to Soricidae'
  • 'Anthodon belongs to Pareiasauridae'
  • 'Anthracobune belongs to Anthracobunidae'
  • 'Anthracobunidae belongs to Moeritherioidea'
  • 'Anthracobunodon belongs to Haplobunodontidae'
  • 'Anthracochoerus belongs to Anthracotheriidae'
  • 'Anthracodromeus belongs to Protorothyrididae'
  • 'Anthracokeryx belongs to Anthracotheriidae'
  • 'Anthracosauria belongs to Labyrinthodontia'
  • 'Anthracosauridae belongs to Embolomeri'
  • 'Anthracosaurus belongs to Anthracosauridae'
  • 'Anthracosenex belongs to Anthracotheriidae'
  • 'Anthracothema belongs to Anthracotheriidae'
  • 'Anthracotheriidae belongs to Hippopotamoidea'
  • 'Anthracotherium belongs to Anthracotheriidae'
  • 'Anthropodyptes belongs to Spheniscidae'
  • 'Anthropoidea belongs to Primates'
  • 'Anthropornis belongs to Spheniscidae'
  • 'Antiacodon belongs to Antiacodontinae'
  • 'Antiacodontidae belongs to Artiodactyla'
  • 'Antidorcas belongs to Bovidae'
  • 'Antifer belongs to Cervidae'
  • 'Antilocapra belongs to Antilocapridae'
  • 'Antilocapridae belongs to Bovoidea'
  • 'Antilope belongs to Bovidae'
  • 'Antilope (Connochaetes) was reranked as Connochaetes and belongs to Bovidae'
  • 'Antilospira belongs to Bovidae'
  • 'Anuri is corrected as Anura and belongs to Lepospondyli'
  • 'Aonyx belongs to Mustelidae'
  • 'Apatemyidae belongs to Apatotheria'
  • 'Apateon belongs to Branchiosauridae'
  • 'Apatosauridae belongs to Sauropoda' according to P. M. Galton 1977
  • 'Apatosaurus belongs to Diplodocidae'
  • 'Apatotheria belongs to Eutheria'
  • 'Apenophyseter belongs to Physeteridae'
  • 'Apertotemporalis belongs to Chelonia'
  • 'Aphanapteryx belongs to Rallidae'
  • 'Aphaneramma belongs to Trematosauridae'
  • 'Aphelops belongs to Rhinocerotidae'
  • 'Aphrosaurus belongs to Elasmosauridae'
  • 'Aploconodon belongs to Amphilestinae'
  • 'Aplodontidae belongs to Aplodontoidea'
  • 'Aplodontoidea belongs to Protrogomorpha'
  • 'Apodi belongs to Apodiformes'
  • 'Apodichelys [misspelled as Apodochelys] belongs to Pelomedusidae'
  • 'Apodidae belongs to Apodi'
  • 'Apodiformes belongs to Neognathae'
  • 'Apodops belongs to Caeciliidae'
  • 'Apodosauriscus belongs to Anguidae'
  • 'Apriculus belongs to Artiodactyla'
  • 'Aprotodon belongs to Hyracodontidae'
  • 'Aptenodytes belongs to Spheniscidae'
  • 'Apteribis belongs to Plataleidae'
  • 'Apterygidae belongs to Apterygiformes'
  • 'Apterygiformes belongs to Palaeognathae'
  • 'Apteryx belongs to Apterygidae'
  • 'Aptornis belongs to Aptornithidae'
  • 'Aptornithidae [misspelled as Apterornithidae] belongs to Ralli'
  • 'Aptychodon belongs to Plesiosauria'
  • 'Apus belongs to Apodidae'
  • 'Aquilavus belongs to Accipitridae'
  • 'Araeodelphis belongs to Delphinidae'
  • 'Araeosaurus belongs to Lacertilia'
  • 'Araeoscelida belongs to Diapsida'
  • 'Araeoscelidae belongs to Araeoscelida'
  • 'Araeoscelis belongs to Araeoscelidae'
  • 'Aralosaurus belongs to Hadrosauridae'
  • 'Aramidae belongs to Grues'
  • 'Aramornis belongs to Gruidae'
  • 'Araripedactylus belongs to Ornithocheiridae'
  • 'Araripesaurus belongs to Ornithocheiridae'
  • 'Araripesuchus belongs to Uruguaysuchidae'
  • 'Arcadia belongs to Rhytidosteidae'
  • 'Archaenodon is corrected as Achaenodon and belongs to Helohyinae'
  • 'Archaeoceti belongs to Cetacea'
  • 'Archaeodelphis belongs to Cetacea'
  • 'Archaeohippus belongs to Equidae'
  • 'Archaeohyracidae belongs to Hegetotheroidea'
  • 'Archaeohyrax belongs to Archaeohyracidae'
  • 'Archaeolambda belongs to Archaeolambdidae'
  • 'Archaeolambdidae belongs to Pantodonta'
  • 'Archaeolemuridae belongs to Indrioidea'
  • 'Archaeomeryx belongs to Leptomerycidae'
  • 'Archaeonectrus belongs to Pliosauridae'
  • 'Archaeophis belongs to Palaeophidae'
  • 'Archaeophylus belongs to Interatheriidae'
  • 'Archaeopithecidae belongs to Toxodontia'
  • 'Archaeopithecus belongs to Archaeopithecidae'
  • 'Archaeopteropus belongs to Pteropodidae'
  • 'Archaeopterygidae belongs to Archaeopterygiformes'
  • 'Archaeopterygiformes belongs to Archaeornithes'
  • 'Archaeopteryx belongs to Archaeopterygidae'
  • 'Archaeornithes belongs to Aves'
  • 'Archaeornithomimus belongs to Ornithomimidae'
  • 'Archaeospheniscus belongs to Spheniscidae'
  • 'Archaeosyodon belongs to Brithopodidae'
  • 'Archaeotherium belongs to Entelodontidae'
  • 'Archaeothyris belongs to Ophiacodontidae'
  • 'Archaeotriton belongs to Salamandridae'
  • 'Archaeotrogon belongs to Archaeotrogonidae'
  • 'Archaeotrogonidae belongs to Halcyones'
  • 'Archegosauridae belongs to Eryopoidea'
  • 'Archegosaurus belongs to Archegosauridae'
  • 'Archelon belongs to Protostegidae'
  • 'Archeria belongs to Archeriidae'
  • 'Archeriidae belongs to Embolomeri'
  • 'Archerpeton belongs to Protorothyrididae'
  • 'Archosauria belongs to Archosauromorpha'
  • 'Archosauromorpha belongs to Diapsida'
  • 'Archosaurus belongs to Proterosuchidae'
  • 'Arctamphicyon belongs to Amphicyonidae'
  • 'Arctocephalus belongs to Otariidae'
  • 'Arctocyonidae belongs to Condylarthra'
  • 'Arctodus belongs to Ursidae'
  • 'Arctognathus belongs to Gorgonopsidae'
  • 'Arctoidea belongs to Carnivora'
  • 'Arctomeles belongs to Mustelidae'
  • 'Arctonyx belongs to Mustelidae'
  • 'Arctops belongs to Gorgonopsidae'
  • 'Arctostylopidae belongs to Notioprogonia'
  • 'Arctostylops belongs to Arctostylopidae'
  • 'Arctotitan belongs to Brontotheridae'
  • 'Ardea belongs to Ardeidae'
  • 'Ardeagrandis belongs to Ardeidae'
  • 'Ardeidae belongs to Gruiformes'
  • 'Ardeosauridae belongs to Nyctisaura'
  • 'Ardeosaurus belongs to Ardeosauridae'
  • 'Ardynia belongs to Hyracodontidae'
  • 'Ardynictis belongs to Anagalida'
  • 'Argentavis belongs to Teratornithidae'
  • 'Argentinosuchus belongs to Stagnolepididae'
  • 'Argillochelys belongs to Cheloniidae'
  • 'Argillotherium is a subjective synonym of Oxyaena'
  • 'Argyrocetus belongs to Rhabdosteidae'
  • 'Argyrodyptes belongs to Procellariidae'
  • 'Argyrohippus belongs to Notohippidae'
  • 'Argyrohyus belongs to Tayassuidae'
  • 'Argyrolambda belongs to Didolodontidae'
  • 'Argyrosaurus belongs to Titanosauridae'
  • 'Ariekanerpeton belongs to Discosauriscidae'
  • 'Aristelliger belongs to Gekkonidae'
  • 'Aristonectes belongs to Cryptoclididae'
  • 'Aristosuchus belongs to Coeluridae'
  • 'Arizonasaurus belongs to Erythrosuchidae'
  • 'Arizonerpeton belongs to Nectridea'
  • 'Arkanserpeton belongs to Dissorophidae'
  • 'Arpadosaurus belongs to Anguidae'
  • 'Arretosauridae belongs to Iguania'
  • 'Arretosaurus belongs to Arretosauridae'
  • 'Arretotherium belongs to Anthracotheriidae'
  • 'Arrhinoceratops belongs to Ceratopsidae'
  • 'Arsinoitheriidae belongs to Embrithopoda'
  • 'Arsinotherium belongs to Arsinoitheriidae'
  • 'Arthrodytes belongs to Spheniscidae'
  • 'Artiodactyla belongs to Eutheria'
  • 'Arvernoceros belongs to Cervidae'
  • 'Asaphestera belongs to Tuditanidae'
  • 'Ascaphidae belongs to Anura'
  • 'Asiabradypus belongs to Ernanodontidae'
  • 'Asiatosaurus belongs to Sauropoda'
  • 'Asiatosuchus belongs to Crocodylidae'
  • 'Asiostylops belongs to Arctostylopidae'
  • 'Askeptosauridae belongs to Thalattosauria'
  • 'Askeptosaurus belongs to Askeptosauridae'
  • 'Asmithwoodwardia belongs to Protolipternidae'
  • 'Asmithwoodwardia belongs to Didolodontidae'
  • 'Asmodus belongs to Homalodotheriidae'
  • 'Asphaerion belongs to Ranidae'
  • 'Aspideretes belongs to Trionychidae'
  • 'Aspidosaurus belongs to Dissorophidae'
  • 'Astegotherium belongs to Dasypodidae'
  • 'Asterostemma belongs to Glyptodontidae'
  • 'Asthenoscapter belongs to Talpidae'
  • 'Astraponotus belongs to Astrapotheriidae'
  • 'Astrapotheria belongs to Eutheria'
  • 'Astrapothericulus belongs to Astrapotheriidae'
  • 'Astrapotheriidae belongs to Astrapotheria'
  • 'Astrapotherium belongs to Astrapotheriidae'
  • 'Astreptorhachis belongs to Dissorophidae'
  • 'Astroconodon belongs to Triconodontidae'
  • 'Astrodon belongs to Brachiosauridae'
  • 'Atalonodon belongs to Tapiroidea'
  • 'Atelidae belongs to Platyrrhini'
  • 'Atelornithidae belongs to Coracii'
  • 'Atilax belongs to Viverridae'
  • 'Atlantosuchus belongs to Dyrosauridae'
  • 'Atoposaurides is corrected as Atoposauridae and belongs to Mesosuchia'
  • 'Atoposaurus belongs to Atoposauridae'
  • 'Aublysodon belongs to Theropoda'
  • 'Aulacephalodon belongs to Aulacephalodontidae'
  • 'Aulacephalodontidae belongs to Pristerodontia'
  • 'Aulophyseter [misspelled as Auiophyster] belongs to Physeteridae'
  • 'Aumelasia belongs to Dichobunidae'
  • 'Aureliachoerus belongs to Suidae'
  • 'Australca belongs to Alcidae'
  • 'Austrobrachyops belongs to Brachyopidae'
  • 'Austrosaurus belongs to Brachiosauridae'
  • 'Austrosqualodon [misspelled as Australosqualodon] belongs to Squalodontidae'
  • 'Auxontodon belongs to Antiacodontinae'
  • 'Avenantia belongs to Tapinocephalidae'
  • 'Avimimus belongs to Theropoda'
  • 'Avipes belongs to Podokesauridae'
  • 'Avisaurus belongs to Theropoda'
  • 'Axis belongs to Cervidae'
  • 'Azendohsaurus belongs to Anchisauridae'
  • 'Bachitherium belongs to Leptomerycidae'
  • 'Bactrosaurus belongs to Hadrosauridae'
  • 'Badistornis belongs to Aramidae'
  • 'Badrostes belongs to Falconidae'
  • 'Baena belongs to Baenidae'
  • 'Baenidae belongs to Baenoidea'
  • 'Baenoidea belongs to Cryptodira'
  • 'Bagaceratops belongs to Protoceratopsidae'
  • 'Bahariasaurus belongs to Megalosaurinidae'
  • 'Baharijodon belongs to Trematochampsidae'
  • 'Bainguidae belongs to Diploglossa'
  • 'Bainguis belongs to Bainguidae'
  • 'Balaena belongs to Balaenidae'
  • 'Balaenicipitidae belongs to Ciconiiformes'
  • 'Balaenidae belongs to Mysticeti'
  • 'Balaenodon belongs to Physeteridae'
  • 'Balaenoptera belongs to Balaenopteridae'
  • 'Balaenopteridae belongs to Mysticeti'
  • 'Balaenotus belongs to Balaenidae'
  • 'Balaenula belongs to Balaenidae'
  • 'Balanerodus belongs to Alligatoridae'
  • 'Baldwinonus belongs to Ophiacodontidae'
  • 'Baluchitherium belongs to Rhinocerotidae'
  • 'Baphetes belongs to Loxommatidae'
  • 'Baptemys belongs to Dermatemydidae'
  • 'Baptornis belongs to Baptornithidae'
  • 'Baptornithidae belongs to Hesperornithiformes'
  • 'Baranogale belongs to Mustelidae'
  • 'Barapasaurus belongs to Cetiosauridae'
  • 'Barasaurus belongs to Nyctiphruretidae'
  • 'Bargmannia belongs to Dicamptodontidae'
  • 'Baroqueosuchus belongs to Protosuchidae'
  • 'Barosaurus belongs to Diplodocidae'
  • 'Barsboldia belongs to Hadrosauridae'
  • 'Barylambda belongs to Barylambdidae'
  • 'Barylambdidae belongs to Pantodonta'
  • 'Barysoma belongs to Kannemeyeriidae'
  • 'Barytheriidae belongs to Barytherioidea'
  • 'Barytherioidea belongs to Proboscidea'
  • 'Barytherium belongs to Barytheriidae'
  • 'Basalina belongs to Tillodontia'
  • 'Bashkirosaurus belongs to Archegosauridae'
  • 'Basicranodon belongs to Varanopseidae'
  • 'Basilemys belongs to Dermatemydidae'
  • 'Basileosaurus belongs to Sclerosauridae'
  • 'Basilosauridae belongs to Archaeoceti'
  • 'Basilosaurus belongs to Basilosauridae'
  • 'Bassariscops belongs to Canidae'
  • 'Bassariscus belongs to Procyonidae'
  • 'Batagur belongs to Emydidae'
  • 'Bathornis belongs to Bathornithidae'
  • 'Bathornithidae belongs to Cariamae'
  • 'Bathyergidae belongs to Bathygeromorpha'
  • 'Bathyergomorpha [misspelled as Bathygeromorpha] belongs to Hystricognathi'
  • 'Bathygnathus belongs to Sphenacodontidae'
  • 'Batrachiderpeton belongs to Keraterpetontidae'
  • 'Batrachosauroides belongs to Batrachosauroididae'
  • 'Batrachosauroididae belongs to Proteoidea'
  • 'Batrachosaurus belongs to Brachyopidae'
  • 'Batrachoseps belongs to Plethodontidae'
  • 'Batropetes belongs to Batropetidae'
  • 'Batropetidae belongs to Captorhinomorpha'
  • 'Bauria belongs to Bauriidae'
  • 'Bauriidae belongs to Therocephalia'
  • 'Baurusuchidae belongs to Mesosuchia'
  • 'Baurusuchus belongs to Baurusuchidae'
  • 'Bavarisauridae belongs to Nyctisaura'
  • 'Bavarisaurus belongs to Bavarisauridae'
  • 'Beatragus belongs to Bovidae'
  • 'Beckiasorex belongs to Soricidae'
  • 'Becklesius belongs to Paramacellodidae'
  • 'Behemotops belongs to Desmostylidae'
  • 'Belemnoziphius belongs to Ziphiidae'
  • 'Belesodon belongs to Chiniquodontidae'
  • 'Belodon belongs to Phytosauridae'
  • 'Belosphys belongs to Delphinidae'
  • 'Bemalambda belongs to Bemalambdidae'
  • 'Bemalambdidae belongs to Pantodonta'
  • 'Benaratherium belongs to Hyracodontidae'
  • 'Benicerus belongs to Bovidae'
  • 'Benthosuchidae belongs to Capitosauroidea'
  • 'Benthosuchus belongs to Benthosuchidae'
  • 'Beremendia belongs to Soricidae'
  • 'Bergisuchus belongs to Baurusuchidae'
  • 'Bernissartia belongs to Bernissartiidae'
  • 'Bernissartidae is corrected as Bernissartiidae and belongs to Mesosuchia'
  • 'Bernissartidae is corrected as Bernissartiidae and belongs to Mesosuchia'
  • 'Betasuchus belongs to Ornithomimidae'
  • 'Biarmosuchidae belongs to Eotitanosuchia'
  • 'Biarmosuchus belongs to Biarmosuchidae'
  • 'Bibos belongs to Bovidae'
  • 'Bienotherium belongs to Tritylodontidae'
  • 'Bienotheroides belongs to Tritylodontidae'
  • 'Birgerbohlinia belongs to Giraffidae'
  • 'Bishanopliosaurus belongs to Pliosauridae'
  • 'Bison belongs to Bovidae'
  • 'Blancocamelus belongs to Camelidae'
  • 'Blarina belongs to Soricidae'
  • 'Blarinella belongs to Soricidae'
  • 'Blarinoides belongs to Soricidae'
  • 'Blastocerus belongs to Cervidae'
  • 'Blastomeryx belongs to Moschidae'
  • 'Blickomylus belongs to Camelidae'
  • 'Blikanasauridae belongs to Prosauropoda'
  • 'Blikanasaurus belongs to Blikanasauridae'
  • 'Blinasaurus belongs to Brachyopidae'
  • 'Boavus belongs to Boidae'
  • 'Bobbschaefferia belongs to Didelphidae'
  • 'Bocatherium belongs to Tritylodontidae'
  • 'Bogdia belongs to Pantolestidae'
  • 'Bohlinia belongs to Giraffidae'
  • 'Boidae belongs to Booidea'
  • 'Boii belongs to Tuditanidae'
  • 'Bolosauridae belongs to Captorhinomorpha'
  • 'Bolosaurus belongs to Bolosauridae'
  • 'Bomburia is a subjective synonym of Ellipsodon'
  • 'Booidea belongs to Henophidia'
  • 'Bootherium belongs to Bovidae'
  • 'Borealestes belongs to Docodontidae'
  • 'Boremys belongs to Neurankylidae'
  • 'Boreopelta belongs to Rhytidosteidae'
  • 'Boreopricea belongs to Prolacertidae'
  • 'Boreosaurus belongs to Brachyopidae'
  • 'Borissiakia belongs to Chalicotheriidae'
  • 'Borophagus belongs to Canidae'
  • 'Bos belongs to Bovidae'
  • 'Boselaphus belongs to Bovidae'
  • 'Botauroides belongs to Primobucconidae'
  • 'Botaurus belongs to Ardeidae'
  • 'Bothremys belongs to Pelomedusidae'
  • 'Bothriceps belongs to Brachyopidae'
  • 'Bothriodon belongs to Anthracotheriidae'
  • 'Bothriogenys belongs to Anthracotheriidae'
  • 'Bothriospondylus belongs to Brachiosauridae'
  • 'Bovidae belongs to Bovoidea'
  • 'Bovoidea belongs to Pecora'
  • 'Brachauchenius belongs to Pliosauridae'
  • 'Brachiosauridae belongs to Sauropoda'
  • 'Brachiosaurus belongs to Brachiosauridae'
  • 'Brachycormus belongs to Salamandridae'
  • 'Brachycyon belongs to Amphicyonidae'
  • 'Brachydiastematherium belongs to Brontotheridae'
  • 'Brachydiceratherium belongs to Rhinocerotidae'
  • 'Brachylophosaurus belongs to Hadrosauridae'
  • 'Brachynasua belongs to Procyonidae'
  • 'Brachyodus belongs to Anthracotheriidae'
  • 'Brachyopidae belongs to Brachiopoidea'
  • 'Brachyopoidea [misspelled as Brachiopoidea] belongs to Temnospondyli'
  • 'Brachyops belongs to Brachyopidae'
  • 'Brachyopsigale belongs to Mustelidae'
  • 'Brachypodosaurus belongs to Nodosauridae'
  • 'Brachypotherium belongs to Rhinocerotidae'
  • 'Brachyprosopus belongs to Dicynodontia'
  • 'Brachyprotoma belongs to Mustelidae'
  • 'Brachypsalis belongs to Mustelidae'
  • 'Brachyramphus belongs to Alcidae'
  • 'Brachyrhinodon belongs to Sphenodontidae'
  • 'Brachystelechidae belongs to Microbrachomorpha'
  • 'Brachystelechus belongs to Brachystelechidae'
  • 'Brachystephanus belongs to Oldfieldthomasiidae'
  • 'Brachytherium belongs to Proterotheriidae'
  • 'Brachyuraniscus belongs to Dicynodontia'
  • 'Brachyuranochampsa belongs to Crocodylidae'
  • 'Brachyzostrodon belongs to Morganucodontidae'
  • 'Bradycneme belongs to Theropoda'
  • 'Bradysaurus belongs to Pareiasauridae'
  • 'Bramatherium belongs to Giraffidae'
  • 'Brancasaurus belongs to Elasmosauridae'
  • 'Branchierpeton belongs to Micromelerpetontidae'
  • 'Branchiosauridae belongs to Eryopoidea'
  • 'Branchiosaurus belongs to Branchiosauridae'
  • 'Brandmayria belongs to Notoungulata'
  • 'Bransateryx belongs to Boidae'
  • 'Brasileosaurus belongs to Mesosauridae'
  • 'Breagyps belongs to Vulturidae'
  • 'Bretzia belongs to Cervidae'
  • 'Brevidorsum belongs to Dissorophidae'
  • 'Breviodon belongs to Lophialetidae'
  • 'Brimosaurus belongs to Plesiosauria'
  • 'Brithopodidae belongs to Titanosuchia'
  • 'Brithopus belongs to Brithopodidae'
  • 'Broilia belongs to Emydidae'
  • 'Broiliana belongs to Ursidae'
  • 'Broiliellus belongs to Dissorophidae'
  • 'Broilius belongs to Dicynodontia'
  • 'Brontops belongs to Brontotheridae'
  • 'Brontotheridae belongs to Titanotheriomorpha'
  • 'Broomia belongs to Millerettidae'
  • 'Broomulus belongs to Lydekkerinidae'
  • 'Brouffia belongs to Protorothyrididae'
  • 'Bruktererpeton belongs to Gephyrostegidae'
  • 'Bryanpattersonia belongs to Archaeohyracidae'
  • 'Bubalus belongs to Bovidae'
  • 'Bucapra belongs to Bovidae'
  • 'Bucconidae belongs to Coracii'
  • 'Bucerotidae belongs to Bucerotiformes'
  • 'Bucerotiformes belongs to Neognathae'
  • 'Bucorvus belongs to Bucerotidae'
  • 'Budorcas belongs to Bovidae'
  • 'Bufo belongs to Bufonidae'
  • 'Bufonidae belongs to Anura'
  • 'Bugtitherium belongs to Anthracotheriidae'
  • 'Buisnictis belongs to Mustelidae'
  • 'Bukobaja belongs to Capitosauridae'
  • 'Bumbanius belongs to Nyctitheriidae'
  • 'Bunodentus belongs to Helohyidae'
  • 'Bunohyrax belongs to Pliohyracidae'
  • 'Bunolistriodon belongs to Suidae'
  • 'Bunomeryx belongs to Artiodactyla'
  • 'Bunophorus belongs to Artiodactyla'
  • 'Burhinidae belongs to Charadriiformes'
  • 'Burhinus belongs to Burhinidae'
  • 'Burnetia belongs to Burnetiidae'
  • 'Burnetidae is corrected as Burnetiidae and belongs to Gorgonopsia'
  • 'Burtensia belongs to Procolophonidae'
  • 'Burtinopsis belongs to Balaenopteridae'
  • 'Buteo belongs to Accipitridae'
  • 'Butorides belongs to Ardeidae'
  • 'Butselia belongs to Plesiosoricidae'
  • 'Buxobune belongs to Dichobunidae'
  • 'Buxolestes belongs to Pantolestidae'
  • 'Buzulukia belongs to Kotlassidae'
  • 'Bystrowiana belongs to Kotlassidae'
  • 'Cabassous belongs to Dasypodidae'
  • 'Cacops belongs to Dissorophidae'
  • 'Cadurceryx belongs to Boidae'
  • 'Cadurcoboa belongs to Boidae'
  • 'Cadurcodon belongs to Amynodontidae'
  • 'Cadurcogekko belongs to Gekkonidae'
  • 'Cadurcotherium belongs to Amynodontidae'
  • 'Caeciliidae belongs to Gymnophiona'
  • 'Caenagnathus belongs to Oviraptoridae'
  • 'Caenolambda belongs to Pantolambdidae'
  • 'Caenolophus belongs to Hyracodontidae'
  • 'Caenophidia belongs to Serpentes'
  • 'Caenophilus belongs to Interatheriidae'
  • 'Caerorhachidae belongs to Temnospondyli'
  • 'Caerorhachis belongs to Caerorhachidae'
  • 'Calamagras belongs to Boidae'
  • 'Calcarichelys belongs to Protostegidae'
  • 'Calligenethlon belongs to Eogyrinidae'
  • 'Callophoca belongs to Phocidae'
  • 'Callopistes belongs to Teiidae'
  • 'Callorhinus belongs to Otariidae'
  • 'Callovosaurus belongs to Iguanodontidae'
  • 'Callowayosaurus belongs to Elasmosauridae'
  • 'Calodontotherium belongs to Isotemnidae'
  • 'Calonectris belongs to Procellariidae'
  • 'Caluromys belongs to Didelphidae'
  • 'Camarasauridae belongs to Sauropoda'
  • 'Camarasaurus belongs to Camarasauridae'
  • 'Camargomendesia belongs to Oldfieldthomasiidae'
  • 'Cambayella belongs to Bovidae'
  • 'Camelidae belongs to Cameloidea'
  • 'Cameloidea belongs to Tylopoda'
  • 'Camelops belongs to Camelidae'
  • 'Camelotia belongs to Melanorosauridae'
  • 'Camelus belongs to Camelidae'
  • 'Campephilus belongs to Picidae'
  • 'Camptosaurus belongs to Iguanodontidae'
  • 'Campylodoniscus belongs to Titanosauridae'
  • 'Campylognathoides belongs to Campylognathoididae'
  • 'Campylognathoididae belongs to Rhamphorhynchoidea'
  • 'Candelaria belongs to Procolophonidae'
  • 'Canidae belongs to Arctoidea'
  • 'Canimartes belongs to Mustelidae'
  • 'Canis belongs to Canidae'
  • 'Canis (Epicyon) was reranked as Epicyon and belongs to Canidae'
  • 'Canthumeryx belongs to Cervoidea'
  • 'Capellineosuchus belongs to Metriorhynchidae'
  • 'Capellirallus belongs to Rallidae'
  • 'Capitonidae belongs to Piciformes'
  • 'Capitonides belongs to Capitonidae'
  • 'Capitosauridae belongs to Capitosauroidea'
  • 'Capitosauroidea belongs to Temnospondyli'
  • 'Capra belongs to Bovidae'
  • 'Capreolus belongs to Cervidae'
  • 'Caprimulgidae belongs to Caprimulgiformes'
  • 'Caprimulgiformes belongs to Neognathae'
  • 'Capromeryx belongs to Antilocapridae'
  • 'Capromyidae belongs to Octodontoidea'
  • 'Captorhinida belongs to Anapsida'
  • 'Captorhinidae belongs to Captorhinomorpha'
  • 'Captorhinikos belongs to Captorhinidae'
  • 'Captorhinoides belongs to Captorhinidae'
  • 'Captorhinomorpha belongs to Captorhinida'
  • 'Captorhinus belongs to Captorhinidae'
  • 'Carbonoherpeton belongs to Eogyrinidae'
  • 'Carcharodontosaurus belongs to Megalosaurinidae'
  • 'Cardiocephalus belongs to Gymnarthridae'
  • 'Caretta belongs to Cheloniidae'
  • 'Carettochelyidae belongs to Trionychoidea'
  • 'Carettochelys belongs to Carettochelyidae'
  • 'Cariamae belongs to Gruiformes'
  • 'Cariamidae belongs to Cariamae'
  • 'Caribosiren belongs to Dugongidae'
  • 'Carnivora belongs to Eutheria'
  • 'Carodnia belongs to Carodniidae'
  • 'Carodniidae belongs to Xenungulata'
  • 'Caroloameghiana belongs to Didelphidae'
  • 'Carolozittelia belongs to Pyrotheriidae'
  • 'Carpocyon belongs to Canidae'
  • 'Carpolestidae belongs to Plesiadapoidea'
  • 'Carposorex belongs to Soricidae'
  • 'Carrolla belongs to Brachystelechidae'
  • 'Carsioptychus belongs to Periptychidae'
  • 'Carsosaurus belongs to Aigialosauridae'
  • 'Carteremys belongs to Pelomedusidae'
  • 'Cartictops belongs to Pseudictopidae'
  • 'Casea belongs to Caseidae'
  • 'Caseidae belongs to Pelycosauria'
  • 'Caseoides belongs to Caseidae'
  • 'Caseopsis belongs to Caseidae'
  • 'Caspiodontornis belongs to Pelagornithidae'
  • 'Castoridae belongs to Castorimorpha'
  • 'Castorimorpha belongs to Sciurognathi'
  • 'Casuariidae belongs to Casuariiformes'
  • 'Casuariiformes belongs to Palaeognathae'
  • 'Casuarius belongs to Casuariidae'
  • 'Catagonus belongs to Tayassuidae'
  • 'Catarrhini belongs to Anthropoidea'
  • 'Cathartornis belongs to Teratornithidae'
  • 'Caudiverbera belongs to Leptodactylidae'
  • 'Caviidae belongs to Cavioidea'
  • 'Cavioidea belongs to Caviomorpha'
  • 'Caviomorpha belongs to Hystricognathi'
  • 'Cebidae belongs to Platyrrhini'
  • 'Cebochoeridae belongs to Entelodontoidea'
  • 'Cebochoerus belongs to Cebochoeridae'
  • 'Celestus belongs to Anguidae'
  • 'Centrosaurus belongs to Ceratopsidae'
  • 'Cephalerpeton belongs to Protorothyrididae'
  • 'Cephalogale belongs to Ursidae'
  • 'Cephalophus belongs to Bovidae'
  • 'Cephalotropis belongs to Cetotheriidae'
  • 'Cepphus belongs to Alcidae'
  • 'Cerataelurus belongs to Dicynodontia'
  • 'Ceratomeryx belongs to Antilocapridae'
  • 'Ceratomorpha belongs to Moropomorpha'
  • 'Ceratophrynidae belongs to Anura'
  • 'Ceratophrys belongs to Ceratophrynidae'
  • 'Ceratopsia belongs to Ornithischia'
  • 'Ceratopsidae belongs to Ceratopsia'
  • 'Ceratosauridae belongs to Theropoda'
  • 'Ceratosaurus belongs to Ceratosauridae'
  • 'Ceratosuchus belongs to Alligatoridae'
  • 'Ceratotherium belongs to Rhinocerotidae'
  • 'Cercopithecidae belongs to Cercopithecoidea'
  • 'Cercopithecoidea belongs to Catarrhini'
  • 'Cerdocyon belongs to Canidae'
  • 'Ceresiosaurus belongs to Nothosauridae'
  • 'Cernictis belongs to Mustelidae'
  • 'Cerorhinca belongs to Alcidae'
  • 'Cerritosaurus belongs to Proterochampsidae'
  • 'Cervalces belongs to Cervidae'
  • 'Cervavitulus belongs to Cervidae'
  • 'Cervavitus belongs to Cervidae'
  • 'Cervidae belongs to Cervoidea'
  • 'Cervoceros belongs to Cervidae'
  • 'Cervoidea belongs to Pecora'
  • 'Cervulus belongs to Cervidae'
  • 'Cervus belongs to Cervidae'
  • 'Cetacea belongs to Eutheria'
  • 'Ceterhinops belongs to Delphinidae'
  • 'Cetiosauridae belongs to Sauropoda'
  • 'Cetiosauriscus belongs to Diplodocidae'
  • 'Cetiosaurus belongs to Cetiosauridae'
  • 'Cetotheriinae was reranked as the family Cetotheriidae and belongs to Mysticeti'
  • 'Cetotheriomorphus [misspelled as Cetotheriomorphis] belongs to Cetotheriidae'
  • 'Cetotheriopsis belongs to Cetotheriidae'
  • 'Cetotherium belongs to Cetotheriidae'
  • 'Cetotherium (Eucetotherium) was reranked as Eucetotherium and belongs to Cetotheriidae'
  • 'Cetotherium (Plesiocetopsis) was reranked as Plesiocetopsis and belongs to Physeteridae'
  • 'Chaenohyus belongs to Tayassuidae'
  • 'Chaeropotamus is corrected as Choeropotamus and belongs to Choeropotamidae'
  • 'Chaetophractus belongs to Dasypodidae'
  • 'Chailicyon belongs to Canidae'
  • 'Chalcides belongs to Scincidae'
  • 'Chalcosaurus belongs to Lanthanosuchidae'
  • 'Chalicotheriidae belongs to Chalicotherioidea'
  • 'Chalicotherium belongs to Chalicotheriidae'
  • 'Chaliminia belongs to Tritheledontidae'
  • 'Chamaeleo belongs to Chamaeleonidae'
  • 'Chamaeleonidae belongs to Iguania'
  • 'Chamops belongs to Teiidae'
  • 'Champsodelphis belongs to Acrodelphidae'
  • 'Champsosauridae belongs to Choristodera'
  • 'Champsosaurus belongs to Champsosauridae'
  • 'Chanaresuchus belongs to Proterochampsidae'
  • 'Chanaria belongs to Kannemeyeriidae'
  • 'Changisaurus belongs to Amphisbaenidae'
  • 'Changjiangosaurus belongs to Lacertilia'
  • 'Chaosaurus belongs to Omphalosauridae'
  • 'Chapalmalania belongs to Procyonidae'
  • 'Charactosuchus belongs to Crocodylidae'
  • 'Charadriidae belongs to Charadriiformes'
  • 'Charadriiformes belongs to Neognathae'
  • 'Charina belongs to Boidae'
  • 'Chasicotatus belongs to Dasypodidae'
  • 'Chasicotherium belongs to Homalodotheriidae'
  • 'Chasmaporthetes belongs to Hyaenidae'
  • 'Chasmatosaurus belongs to Proterosuchidae'
  • 'Chasmatosuchus belongs to Proterosuchidae'
  • 'Chasmosaurus belongs to Ceratopsidae'
  • 'Chasmotherium belongs to Tapiroidea'
  • 'Cheilophis belongs to Boidae'
  • 'Cheirogaleidae belongs to Lorisoidea'
  • 'Chelidae belongs to Pleurodira'
  • 'Cheliderpeton belongs to Eryopidae'
  • 'Chelodina belongs to Chelidae'
  • 'Chelonia belongs to Cheloniidae'
  • 'Chelonii is corrected as Chelonia and belongs to Testudinata'
  • 'Cheloniidae belongs to Chelonioidea'
  • 'Chelonioidea belongs to Cryptodira'
  • 'Chelosphargis belongs to Protostegidae'
  • 'Chelotriton belongs to Salamandridae'
  • 'Chelus belongs to Chelidae'
  • 'Chelycarapookidae belongs to Chelonia'
  • 'Chelycarapookus belongs to Chelycarapookidae'
  • 'Chelydra belongs to Chelydridae'
  • 'Chelydridae belongs to Testudinoidea'
  • 'Chelydrops belongs to Chelydridae'
  • 'Chelydropsis belongs to Chelydridae'
  • 'Chelyoposuchus belongs to Placodontia'
  • 'Chemositia belongs to Chalicotheriidae'
  • 'Cheneosaurus belongs to Hadrosauridae'
  • 'Chengyuchelys belongs to Pleurosternidae'
  • 'Chenoprosopus belongs to Cochleosauridae'
  • 'Cherminotus belongs to Lanthanotidae'
  • 'Cherminsaurus belongs to Teiidae'
  • 'Chialingosaurus belongs to Stegosauridae'
  • 'Chianshania belongs to Anagalidae'
  • 'Chiayusaurus belongs to Euhelopodidae'
  • 'Chiayusuchus belongs to Stomatosuchidae'
  • 'Chienkosaurus belongs to Ceratosauridae'
  • 'Chigutisauridae belongs to Brachiopoidea'
  • 'Chilantaisaurus belongs to Theropoda'
  • 'Chilingosaurus belongs to Varanidae'
  • 'Chilotherium belongs to Rhinocerotidae'
  • 'Chinchillidae belongs to Chinchilloidea'
  • 'Chinchilloidea belongs to Caviomorpha'
  • 'Chinemys belongs to Emydidae'
  • 'Chingkankousaurus belongs to Megalosaurinidae'
  • 'Chiniquodon belongs to Chiniquodontidae'
  • 'Chiniquodontidae belongs to Chiniquodontoidea'
  • 'Chiniquodontoidea belongs to Eucynodontia'
  • 'Chioglossa belongs to Salamandridae'
  • 'Chionididae belongs to Charadriiformes'
  • 'Chironectes belongs to Didelphidae'
  • 'Chiroptera belongs to Eutheria'
  • 'Chirostenotes belongs to Elmisauridae'
  • 'Chisternon belongs to Baenidae'
  • 'Chitra belongs to Trionychidae'
  • 'Chitracephalus belongs to Chelonia'
  • 'Chlamyphorus belongs to Dasypodidae'
  • 'Chleuastochoerus belongs to Suidae'
  • 'Chlorotalpa belongs to Chrysochloridae'
  • 'Choerolophodon belongs to Gomphotheriidae'
  • 'Choeromeryx belongs to Anthracotheriidae'
  • 'Choeropotamidae belongs to Entelodontoidea'
  • 'Chomatobatrachus belongs to Lydekkerinidae'
  • 'Chometokadmon belongs to Sphenodontidae'
  • 'Chonecetus belongs to Cetacea'
  • 'Choneziphius belongs to Ziphiidae'
  • 'Choristodera belongs to Diapsida'
  • 'Chorlakkia belongs to Dichobunidae'
  • 'Chorobates belongs to Dasypodidae'
  • 'Chroniosaurus belongs to Chroniosuchidae'
  • 'Chroniosuchidae belongs to Anthracosauria'
  • 'Chroniosuchus belongs to Chroniosuchidae'
  • 'Chrysemys belongs to Emydidae'
  • 'Chrysemys montolivensis belongs to Chrysemys' according to Roman 1897
  • 'Chrysochloridae belongs to Zalambdodonta'
  • 'Chrysochloris belongs to Chrysochloridae'
  • 'Chrysotriton belongs to Dicamptodontidae'
  • 'Chthomaloporus belongs to Brithopodidae'
  • 'Chthonosaurus belongs to Moschorhinidae'
  • 'Chubutisaurus belongs to Titanosauridae'
  • 'Chubutodyptes belongs to Spheniscidae'
  • 'Chunga belongs to Cariamidae'
  • 'Chungkingosaurus belongs to Stegosauridae'
  • 'Ciconiidae belongs to Ciconiiformes'
  • 'Ciconiiformes belongs to Neognathae'
  • 'Ciconiopsis belongs to Ciconiiformes'
  • 'Cimolopterygidae belongs to Charadriiformes'
  • 'Circamustela belongs to Mustelidae'
  • 'Cistecephalidae belongs to Diictodontia'
  • 'Civettictis belongs to Viverridae'
  • 'Clamorosaurus belongs to Eryopidae'
  • 'Clamydosaurus belongs to Agamidae'
  • 'Claosaurus belongs to Hadrosauridae'
  • 'Clapasorex belongs to Soricidae'
  • 'Clarazia belongs to Claraziidae'
  • 'Claraziidae belongs to Thalattosauria'
  • 'Clarencea belongs to Thecodontia'
  • 'Claudiosauridae belongs to Sauropterygia'
  • 'Claudiosaurus belongs to Claudiosauridae'
  • 'Clelandina belongs to Gorgonopsidae'
  • 'Clemmydopsis belongs to Emydidae'
  • 'Clemmys belongs to Emydidae'
  • 'Clepsydrops belongs to Ophiacodontidae'
  • 'Clevosaurus [misspelled as Glevosaurus] belongs to Sphenodontidae'
  • 'Clidastes belongs to Mosasauridae'
  • 'Climacoceras belongs to Palaeomerycidae'
  • 'Clotho (Bitis) was reranked as Bitis and belongs to Viperidae'
  • 'Cnemidophorus belongs to Teiidae'
  • 'Cochilius belongs to Interatheriidae'
  • 'Cochleosauridae belongs to Edopoidea'
  • 'Cochleosaurus belongs to Cochleosauridae'
  • 'Cochlops belongs to Glyptodontidae'
  • 'Cocomyidae belongs to Ctenodactyloidea'
  • 'Cocytinus belongs to Lysorophidae'
  • 'Coelodonta belongs to Rhinocerotidae'
  • 'Coelophysis belongs to Podokesauridae'
  • 'Coelosaurus belongs to Ornithomimidae'
  • 'Coelostegus belongs to Protorothyrididae'
  • 'Coelostylodon belongs to Isotemnidae'
  • 'Coelosuchus belongs to Goniophididae'
  • 'Coeluridae belongs to Theropoda'
  • 'Coeluroides belongs to Theropoda'
  • 'Coelurosauravidae belongs to Diapsida'
  • 'Coelurosauravus belongs to Coelurosauravidae'
  • 'Coelurus belongs to Coeluridae'
  • 'Coelutaetus belongs to Dasypodidae'
  • 'Colbertia belongs to Oldfieldthomasiidae'
  • 'Colbertosaurus belongs to Traversodontidae'
  • 'Coleonyx belongs to Gekkonidae'
  • 'Coliidae belongs to Coliiformes'
  • 'Coliiformes belongs to Neognathae'
  • 'Colius belongs to Coliidae'
  • 'Colobomycter belongs to Pelycosauria'
  • 'Colombitheriidae belongs to Pyrotheria'
  • 'Colombitherium belongs to Colombitheriidae'
  • 'Colombophis belongs to Aniliidae'
  • 'Coloraderpeton belongs to Ophiderpetontidae'
  • 'Coloradia belongs to Anchisauridae'
  • 'Colosteidae belongs to Colosteoidea'
  • 'Colosteoidea belongs to Temnospondyli'
  • 'Colosteus belongs to Colosteidae'
  • 'Colpodon belongs to Leontiniidae'
  • 'Colpodontosaurus belongs to Necrosauridae'
  • 'Coluber belongs to Colubridae'
  • 'Colubridae belongs to Colubroidea'
  • 'Colubrifer belongs to Eolacertilia'
  • 'Colubroidea belongs to Caenophidia'
  • 'Columba belongs to Columbidae'
  • 'Columbidae belongs to Columbiformes'
  • 'Columbiformes belongs to Neognathae'
  • 'Colymboides belongs to Gaviidae'
  • 'Comodactylus belongs to Rhamphorhynchidae'
  • 'Comonecturoides belongs to Urodeles'
  • 'Compsemys belongs to Neurankylidae'
  • 'Compsodon belongs to Dicynodontia'
  • 'Compsognathidae belongs to Theropoda'
  • 'Compsognathus belongs to Compsognathidae'
  • 'Compsosuchus belongs to Theropoda'
  • 'Conacodon belongs to Periptychidae'
  • 'Condylarthra belongs to Eutheria'
  • 'Condylura belongs to Talpidae'
  • 'Conepatus belongs to Mustelidae'
  • 'Coniasaurus belongs to Aigialosauridae'
  • 'Conicodontosaurus belongs to Lacertilia'
  • 'Coniophis belongs to Aniliidae'
  • 'Coniornis belongs to Hesperornidae'
  • 'Conjunctio belongs to Dissorophidae'
  • 'Contogenys belongs to Scincidae'
  • 'Contritosaurus belongs to Procolophonidae'
  • 'Conuropsis belongs to Psittacidae'
  • 'Convallisodon belongs to Pastoralodontidae'
  • 'Coona belongs to Didelphidae'
  • 'Cophocetus belongs to Cetotheriidae'
  • 'Coracii belongs to Coraciiformes'
  • 'Coraciidae belongs to Coracii'
  • 'Coraciiformes belongs to Neognathae'
  • 'Cordicephalus belongs to Pipidae'
  • 'Cordylidae belongs to Leptoglossa'
  • 'Cordylodon belongs to Dimylidae'
  • 'Cormocyon belongs to Canidae'
  • 'Cornwallius belongs to Desmostylidae'
  • 'Corosaurus belongs to Cymatosauridae'
  • 'Corsochelys belongs to Cheloniidae'
  • 'Corvidae belongs to Passeriformes'
  • 'Corvus belongs to Corvidae'
  • 'Coryphodon belongs to Coryphodontidae'
  • 'Coryphodontidae belongs to Pantodonta'
  • 'Corythosaurus belongs to Hadrosauridae'
  • 'Corytophanes belongs to Iguanidae'
  • 'Cosesaurus belongs to Prolacertidae'
  • 'Cosmochelys belongs to Dermochelyidae'
  • 'Costasaurus belongs to Lacertilia'
  • 'Coturnicops belongs to Rallidae'
  • 'Cotylorhynchus belongs to Caseidae'
  • 'Cracidae belongs to Galliformes'
  • 'Cramauchenia belongs to Macraucheniidae'
  • 'Crapartinella belongs to Crapartinellidae'
  • 'Crapartinellidae belongs to Therocephalia'
  • 'Craspedochelys belongs to Plesiochelyidae'
  • 'Craspedodon belongs to Iguanodontidae'
  • 'Crassigyrinus belongs to Labyrinthodontia'
  • 'Craterogale belongs to Mustelidae'
  • 'Craterosaurus belongs to Stegosauridae'
  • 'Creccoides belongs to Rallidae'
  • 'Creodonta was reranked as a order and belongs to Eutheria'
  • 'Cricodon belongs to Trirachodontidae'
  • 'Cricotus belongs to Archeriidae'
  • 'Crinifer belongs to Musophagidae'
  • 'Crinodon belongs to Tuditanidae'
  • 'Criorhynchus belongs to Ornithocheiridae'
  • 'Criotherium belongs to Bovidae'
  • 'Crivadiatherium belongs to Arsinoitheriidae'
  • 'Crocidosorex belongs to Soricidae'
  • 'Crocidura belongs to Soricidae'
  • 'Crocodilaemus belongs to Pholidosauridae'
  • 'Crocodilia is corrected as Crocodylia and belongs to Archosauria'
  • 'Crocodylidae belongs to Eusuchia'
  • 'Crocodylus belongs to Crocodylidae'
  • 'Cromptodon belongs to Galesauridae'
  • 'Crossarchus belongs to Viverridae'
  • 'Crossochelys belongs to Meiolaniidae'
  • 'Crossotelos belongs to Urocordylidae'
  • 'Crotalus belongs to Viperidae'
  • 'Crotaphytus belongs to Iguanidae'
  • 'Cryobatrachus belongs to Lydekkerinidae'
  • 'Cryptobranchidae belongs to Cryptobranchoidea'
  • 'Cryptobranchoidea belongs to Urodeles'
  • 'Cryptobranchus belongs to Cryptobranchidae'
  • 'Cryptoclididae belongs to Plesiosauroidea'
  • 'Cryptocynodon belongs to Dicynodontia'
  • 'Cryptodira belongs to Chelonia'
  • 'Cryptodraco belongs to Nodosauridae'
  • 'Cryptomeryx belongs to Gelocidae'
  • 'Cryptopithecus belongs to Pantolestidae'
  • 'Cryptotis belongs to Soricidae'
  • 'Crypturellus belongs to Tinamidae'
  • 'Ctenerpeton belongs to Urocordylidae'
  • 'Cteniogenys belongs to Kuehneosauridae'
  • 'Cteniosaurus belongs to Oudenodontidae'
  • 'Ctenochasma belongs to Ctenochasmatidae'
  • 'Ctenochasmatidae belongs to Pterodactyloidea'
  • 'Ctenochelys belongs to Toxochelyidae'
  • 'Ctenodactylidae belongs to Ctenodactyloidea'
  • 'Ctenodactyloidea belongs to Sciurognathi'
  • 'Ctenomyidae belongs to Octodontoidea'
  • 'Ctenosaura belongs to Iguanidae'
  • 'Ctenosauriscidae belongs to Thecodontia'
  • 'Ctenosauriscus belongs to Ctenosauriscidae'
  • 'Ctenospondylus belongs to Sphenacodontidae'
  • 'Cuculidae belongs to Cuculiformes'
  • 'Cuculiformes belongs to Neognathae'
  • 'Cullinia belongs to Macraucheniidae'
  • 'Cunampaia belongs to Cunampaiidae'
  • 'Cunampaiidae belongs to Cariamae'
  • 'Cuon belongs to Canidae'
  • 'Cuora belongs to Emydidae'
  • 'Cursoricoccyx belongs to Cuculidae'
  • 'Cuvieronius belongs to Gomphotheriidae'
  • 'Cuyosuchus belongs to Erythrosuchidae'
  • 'Cyamodontidae belongs to Placodontia'
  • 'Cyamodus belongs to Cyamodontidae'
  • 'Cyclanorbis belongs to Trionychidae'
  • 'Cycloderma belongs to Trionychidae'
  • 'Cyclotosaurus belongs to Capitosauridae'
  • 'Cyclura belongs to Iguanidae'
  • 'Cygnopterus belongs to Anatidae'
  • 'Cylindrodontidae belongs to Protrogomorpha'
  • 'Cymatosauridae belongs to Nothosauria'
  • 'Cymatosaurus belongs to Cymatosauridae'
  • 'Cymbalophus belongs to Tapiroidea'
  • 'Cymbospondylus belongs to Shastasauridae'
  • 'Cynarctoides belongs to Canidae'
  • 'Cynarctus belongs to Canidae'
  • 'Cynelos belongs to Amphicyonidae'
  • 'Cynictis belongs to Viverridae'
  • 'Cynodesmus belongs to Canidae'
  • 'Cynodictis belongs to Amphicyonidae'
  • 'Cynodontia was reranked as a infraorder and belongs to Therapsida'
  • 'Cynodontosuchus belongs to Baurusuchidae'
  • 'Cynognathidae belongs to Cynognathoidea'
  • 'Cynognathoidea belongs to Eucynodontia'
  • 'Cynognathus belongs to Cynognathidae'
  • 'Cynorca belongs to Tayassuidae'
  • 'Cynosaurus belongs to Galesauridae'
  • 'Cyonasua belongs to Procyonidae'
  • 'Cyonosaurus belongs to Gorgonopsidae'
  • 'Cyphornis belongs to Pelagornithidae'
  • 'Cypressaurus belongs to Iguanidae'
  • 'Cypselavus belongs to Aegialornithidae'
  • 'Cypseloides belongs to Apodidae'
  • 'Cyriacotheriidae belongs to Pantodonta'
  • 'Cyriacotherium belongs to Cyriacotheriidae'
  • 'Cyrtodactylus belongs to Gekkonidae'
  • 'Cyrtodelphis belongs to Acrodelphidae'
  • 'Dacentrurus belongs to Stegosauridae'
  • 'Dacquemys belongs to Pelomedusidae'
  • 'Dactylosaurus belongs to Pachypleuridae'
  • 'Daedicuroides belongs to Glyptodontidae'
  • 'Dakosaurus belongs to Metriorhynchidae'
  • 'Dakotaophis belongs to Colubridae'
  • 'Dakotasuchus belongs to Goniophididae'
  • 'Dakotornis belongs to Dakotornithidae'
  • 'Dakotornithidae belongs to Charadriiformes'
  • 'Dama belongs to Cervidae'
  • 'Damalavus belongs to Bovidae'
  • 'Damaliscus belongs to Bovidae'
  • 'Damalops belongs to Bovidae'
  • 'Daphoenictis belongs to Amphicyonidae'
  • 'Daphoenodon belongs to Amphicyonidae'
  • 'Daphoenus belongs to Amphicyonidae'
  • 'Darchansaurus belongs to Teiidae'
  • 'Dasipidae is corrected as Dasypodidae and belongs to Dasypodoidea'
  • 'Dasornis belongs to Pelagornithidae'
  • 'Daspletosaurus belongs to Tyrannosauridae'
  • 'Dasyceps belongs to Zatracheidae'
  • 'Dasypodoidea belongs to Loricata'
  • 'Dasyproctidae belongs to Chinchilloidea'
  • 'Dasypus belongs to Dasypodidae'
  • 'Daubentoniidae belongs to Indrioidea'
  • 'Daunophis belongs to Boidae'
  • 'Dawsonophis belongs to Boidae'
  • 'Decennatherium belongs to Giraffidae'
  • 'Decoredon belongs to Hyopsodontidae'
  • 'Decticadapis belongs to Ischyromyidae'
  • 'Dege belongs to Spheniscidae'
  • 'Deinocheiridae belongs to Theropoda'
  • 'Deinocheirus belongs to Deinocheiridae'
  • 'Deinonychus belongs to Dromaeosauridae'
  • 'Deinosuchus belongs to Crocodylidae'
  • 'Deinotheriidae belongs to Deinotherioidea'
  • 'Deinotherioidea belongs to Proboscidea'
  • 'Deinotherium belongs to Deinotheriidae'
  • 'Delorhynchus belongs to Pelycosauria'
  • 'Delphinapterus belongs to Monodontidae'
  • 'Delphinapterus (Hemisyntrachelus) was reranked as Hemisynthachelus and belongs to Rhabdosteidae'
  • 'Delphinavus belongs to Delphinidae'
  • 'Delphinidae belongs to Odontoceti'
  • 'Delphinodon belongs to Kentriodontidae'
  • 'Delphinognathus belongs to Tapinocephalidae'
  • 'Delphinopsis belongs to Delphinidae'
  • 'Delphinornis belongs to Spheniscidae'
  • 'Delphinosaurus belongs to Shastasauridae'
  • 'Delphinus belongs to Delphinidae'
  • 'Deltacephalus belongs to Lydekkerinidae'
  • 'Deltasaurus belongs to Rhytidosteidae'
  • 'Dendrerpeton belongs to Dendrerpetontidae'
  • 'Dendrerpetontidae belongs to Temnospondyli'
  • 'Denebola belongs to Monodontidae'
  • 'Deperetella belongs to Deperetellidae'
  • 'Deperetellidae belongs to Tapiroidea'
  • 'Deperetia belongs to Bovidae'
  • 'Dermatemydidae belongs to Trionychoidea'
  • 'Dermatemys belongs to Dermatemydidae'
  • 'Dermochelyidae belongs to Chelonioidea'
  • 'Dermochelys belongs to Dermochelyidae'
  • 'Dermodactylus belongs to Pterodactylidae'
  • 'Derorhynchus belongs to Didelphidae'
  • 'Derwentia belongs to Rhytidosteidae'
  • 'Desmana belongs to Talpidae'
  • 'Desmanella belongs to Talpidae'
  • 'Desmathyus belongs to Tayassuidae'
  • 'Desmatochelys belongs to Cheloniidae'
  • 'Desmatodon belongs to Diadectidae'
  • 'Desmatophoca belongs to Desmatophocidae'
  • 'Desmatophocidae belongs to Otarioidea'
  • 'Desmatosuchus belongs to Stagonolepididae'
  • 'Desmatotitan belongs to Brontotheridae'
  • 'Desmemys belongs to Thalassemyidae'
  • 'Desmognathus belongs to Plethodontidae'
  • 'Desmostylia belongs to Eutheria'
  • 'Desmostylidae belongs to Desmostylia'
  • 'Desmostylus belongs to Desmostylidae'
  • 'Deuterosauridae belongs to Titanosuchia'
  • 'Deuterosaurus belongs to Deuterosauridae'
  • 'Deuterotherium belongs to Proterotheriidae'
  • 'Devincenzia belongs to Phorusrhacidae'
  • 'Diacocherus belongs to Erinaceomorpha'
  • 'Diacodexis belongs to Artiodactyla'
  • 'Diacronus belongs to Anagalidae'
  • 'Diadectes belongs to Diadectidae'
  • 'Diadectidae belongs to Amphibia'
  • 'Diademodon belongs to Diademodontidae'
  • 'Diademodontidae belongs to Tritylodontoidea'
  • 'Diadiaphorus belongs to Proterotheriidae'
  • 'Diadophis belongs to Colubridae'
  • 'Diamantomyidae belongs to Thryonomyoidea'
  • 'Dianchungosaurus belongs to Heterodontosauridae'
  • 'Dianosuchus belongs to Protosuchidae'
  • 'Dianotitan belongs to Brontotheridae'
  • 'Diaphorapteryx belongs to Rallidae'
  • 'Diaphorocetus belongs to Physeteridae'
  • 'Diapsida belongs to Reptilia'
  • 'Diarthrognathus belongs to Tritheledontidae'
  • 'Diatopornis belongs to Vulturidae'
  • 'Diatryma belongs to Diatrymidae'
  • 'Diatrymae is corrected as Diatrymiformes and belongs to Neognathae'
  • 'Diatrymidae [misspelled as Diatrymatidae] belongs to Diatrymiformes'
  • 'Dibolosodon belongs to Lacertilia'
  • 'Dibothrosuchus belongs to Sphenosuchidae'
  • 'Dicamptodon belongs to Dicamptodontidae'
  • 'Dicamptodontidae belongs to Ambystomatoidea'
  • 'Diceratherium belongs to Rhinocerotidae'
  • 'Diceratosaurus belongs to Keraterpetontidae'
  • 'Dicerorhinus belongs to Rhinocerotidae'
  • 'Diceros belongs to Rhinocerotidae'
  • 'Dichobune belongs to Dichobunidae'
  • 'Dichobunidae belongs to Artiodactyla'
  • 'Dichodon belongs to Xiphodontidae'
  • 'Dicoryphochoerus belongs to Suidae'
  • 'Dicraeosaurus belongs to Diplodocidae'
  • 'Dicrocerus belongs to Cervidae'
  • 'Dicrodon belongs to Teiidae'
  • 'Dictyocephalus belongs to Metoposauridae'
  • 'Dicynodon belongs to Dicynodontidae'
  • 'Dicynodontia belongs to Therapsida'
  • 'Dicynodontidae belongs to Pristerodontia'
  • 'Didelphodonta belongs to Eutheria'
  • 'Didermocerus belongs to Rhinocerotidae'
  • 'Didolodontidae belongs to Condylarthra'
  • 'Didolodus belongs to Didolodontidae'
  • 'Diellipsodon belongs to Megatheriidae'
  • 'Digalodon belongs to Aulacephalodontidae'
  • 'Diheterocnus belongs to Megalonychidae'
  • 'Diictodon belongs to Diictodontidae'
  • 'Diictodontia belongs to Dicynodontia'
  • 'Diictodontidae belongs to Diictodontia'
  • 'Dilambda belongs to Pantolambdodontidae'
  • 'Dilophosaurus belongs to Podokesauridae'
  • 'Dimacrodon belongs to Tapinocephalia'
  • 'Dimetrodon belongs to Sphenacodontidae'
  • 'Dimorphodon belongs to Dimorphodontidae'
  • 'Dimorphodontidae belongs to Rhamphorhynchoidea'
  • 'Dimylechinus belongs to Erinaceidae'
  • 'Dimylidae belongs to Soricomorpha'
  • 'Dimyloides belongs to Dimylidae'
  • 'Dimylus belongs to Dimylidae'
  • 'Dinilysia belongs to Dinilysiidae'
  • 'Dinilysiidae belongs to Booidea'
  • 'Dinnebitodon belongs to Tritylodontidae'
  • 'Dinnetherium belongs to Triconodonta'
  • 'Dinobastis belongs to Felidae'
  • 'Dinocephalia belongs to Therapsida'
  • 'Dinocerata belongs to Eutheria'
  • 'Dinochelys belongs to Chelonia'
  • 'Dinocyon belongs to Ursidae'
  • 'Dinodontosaurus belongs to Kannemeyeriidae'
  • 'Dinofelis belongs to Felidae'
  • 'Dinogale belongs to Mustelidae'
  • 'Dinogorgon belongs to Gorgonopsidae'
  • 'Dinohippus belongs to Equidae'
  • 'Dinohyus belongs to Entelodontidae'
  • 'Dinomyidae belongs to Chinchilloidea'
  • 'Dinornis belongs to Dinornithidae'
  • 'Dinornithidae belongs to Dinornithiformes'
  • 'Dinornithiformes belongs to Palaeognathae'
  • 'Dinosorex belongs to Soricidae'
  • 'Dinoziphius belongs to Physeteridae'
  • 'Diogenornis belongs to Opisthodactylidae'
  • 'Diomedea belongs to Diomedeidae'
  • 'Diomedeidae belongs to Procellariiformes'
  • 'Dioplotherium belongs to Dugongidae'
  • 'Diorocetus belongs to Cetotheriidae'
  • 'Dipavali belongs to Hyopsodontidae'
  • 'Diplasiotherium belongs to Proterotheriidae'
  • 'Diplobunops belongs to Agriochoeridae'
  • 'Diplocaulus belongs to Keraterpetontidae'
  • 'Diploceraspis belongs to Keraterpetontidae'
  • 'Diplocynodon belongs to Alligatoridae'
  • 'Diplodocidae belongs to Sauropoda'
  • 'Diplodocus belongs to Diplodocidae'
  • 'Diploglossa belongs to Lacertilia'
  • 'Diploglossus belongs to Anguidae'
  • 'Diplolophodon belongs to Deperetellidae'
  • 'Diplomesodon belongs to Soricidae'
  • 'Diplopus belongs to Anthracotheriidae'
  • 'Diplovertebron belongs to Eogyrinidae'
  • 'Dipodidae belongs to Dipodoidea'
  • 'Dipodoidea belongs to Myomorpha'
  • 'Dipsosaurus belongs to Iguanidae'
  • 'Discoglossidae belongs to Anura'
  • 'Discoglossus belongs to Discoglossidae'
  • 'Discosauriscidae belongs to Seymouriamorpha'
  • 'Discosauriscus belongs to Discosauriscidae'
  • 'Discosaurus belongs to Plesiosauria'
  • 'Dissacus belongs to Mesonychidae'
  • 'Dissacusium belongs to Mesonychidae'
  • 'Dissorophidae belongs to Eryopoidea'
  • 'Dissorophus belongs to Dissorophidae'
  • 'Distylophorus belongs to Isotemnidae'
  • 'Docodon belongs to Docodontidae'
  • 'Docodonta belongs to Prototheria'
  • 'Docodontidae belongs to Docodonta'
  • 'Doedicurus belongs to Glyptodontidae'
  • 'Doellotatus belongs to Dasypodidae'
  • 'Doleserpeton belongs to Doleserpetontidae'
  • 'Doleserpetontidae belongs to Eryopoidea'
  • 'Dolichochampsa belongs to Dolichochampsidae'
  • 'Dolichochampsidae belongs to Eusuchia'
  • 'Dolichopareias belongs to Adelogyrinidae'
  • 'Dolichorhinoides belongs to Brontotheridae'
  • 'Dolichorhinus belongs to Brontotheridae'
  • 'Dolichorhynchops belongs to Pliosauridae'
  • 'Dolichosauridae belongs to Varanoidea'
  • 'Dolichosaurus belongs to Dolichosauridae'
  • 'Dolichosoma belongs to Phlegethontiidae'
  • 'Dolichuranus belongs to Kannemeyeriidae'
  • 'Doliosauriscus belongs to Brithopodidae'
  • 'Dollochelys belongs to Toxochelyidae'
  • 'Dollosaurus belongs to Mosasauridae'
  • 'Dollosuchus belongs to Crocodylidae'
  • 'Dolniceophis belongs to Colubridae'
  • 'Domnina belongs to Soricidae'
  • 'Domninoides belongs to Talpidae'
  • 'Dongusia belongs to Thecodontia'
  • 'Doragnathus belongs to Trimerorhachidae'
  • 'Doratodon belongs to Hsisosuchidae'
  • 'Dorcabune belongs to Tragulidae'
  • 'Dorcadoryx belongs to Bovidae'
  • 'Dorcadoxa belongs to Bovidae'
  • 'Dorcatherium belongs to Tragulidae'
  • 'Dormaalius belongs to Dormaaliidae'
  • 'Dorraletes belongs to Hyopsodontidae'
  • 'Dorsetisauridae belongs to Anguoidea'
  • 'Dorsetisaurus belongs to Dorsetisauridae'
  • 'Dorsetochelys belongs to Baenidae'
  • 'Dorudon belongs to Basilosauridae'
  • 'Dorygnathus belongs to Rhamphorhynchidae'
  • 'Doswellia belongs to Thecodontia'
  • 'Dracaena belongs to Teiidae'
  • 'Dracaenosaurus belongs to Lacertidae'
  • 'Dracopelta belongs to Nodosauridae'
  • 'Dravidosaurus belongs to Stegosauridae'
  • 'Dremotherium belongs to Moschidae'
  • 'Drepanosauridae belongs to Diapsida'
  • 'Drepanosaurus belongs to Drepanosauridae'
  • 'Driveria belongs to Tapinocephalia'
  • 'Dromadidae [misspelled as Dromatidae] belongs to Charadriiformes'
  • 'Dromaeosauridae belongs to Theropoda'
  • 'Dromaeosaurus belongs to Dromaeosauridae'
  • 'Dromaiidae belongs to Casuariiformes'
  • 'Dromaius belongs to Dromaiidae'
  • 'Dromasauria was reranked as a infraorder and belongs to Dicynodontia'
  • 'Dromatherium belongs to Chiniquodontidae'
  • 'Dromiceiomimus belongs to Ornithomimidae'
  • 'Dromoceratherium belongs to Rhinocerotidae'
  • 'Dromornithidae belongs to Casuariiformes'
  • 'Dryinoides belongs to Colubridae'
  • 'Dryolestidae belongs to Eupantotheria'
  • 'Dryosauridae belongs to Ornithopoda'
  • 'Dryosaurus belongs to Dryosauridae'
  • 'Dryptosauridae belongs to Theropoda'
  • 'Dryptosauroides belongs to Dryptosauridae'
  • 'Dryptosaurus belongs to Dryptosauridae'
  • 'Dsungaripteridae belongs to Pterodactyloidea'
  • 'Dsungaripterus belongs to Dsungaripteridae'
  • 'Duchesneodus belongs to Brontotheridae'
  • 'Dugongidae belongs to Sirenia'
  • 'Dunnophis belongs to Boidae'
  • 'Duntroonornis belongs to Spheniscidae'
  • 'Durotrigia belongs to Lacertilia'
  • 'Dusicyon belongs to Canidae'
  • 'Dusignathus belongs to Odobaenidae'
  • 'Dusisiren belongs to Dugongidae'
  • 'Dvinia belongs to Dviniidae'
  • 'Dviniidae belongs to Procynosuchia'
  • 'Dvinosaurus belongs to Dwinasauridae'
  • 'Dwinasauridae is corrected as Dvinosauridae and belongs to Brachiopoidea'
  • 'Dynamopteryx belongs to Cuculidae'
  • 'Dyoplax belongs to Erpetosuchidae'
  • 'Dyrosauridae belongs to Mesosuchia'
  • 'Dyrosaurus belongs to Dyrosauridae'
  • 'Dyseohyus belongs to Tayassuidae'
  • 'Dyseotylopus belongs to Camelidae'
  • 'Dysnoetodon belongs to Tillodontia'
  • 'Dyspterna belongs to Pantolestidae'
  • 'Dystrophaeus belongs to Sauropoda'
  • 'Dyticonastis belongs to Rhineuridae'
  • 'Dzungariotherium belongs to Hyracodontidae'
  • 'Earendil is a subjective synonym of Mimatuta'
  • 'Earendil undomiel is a subjective synonym of Mimatuta minuial'
  • 'Eboroziphius belongs to Ziphiidae'
  • 'Ebrachosaurus belongs to Stagnolepididae'
  • 'Echimyidae belongs to Octodontoidea'
  • 'Echinerpeton belongs to Pelycosauria'
  • 'Echinodon belongs to Fabrosauridae'
  • 'Echmatemys belongs to Emydidae'
  • 'Ecinepeltus belongs to Glyptodontidae'
  • 'Ecolsonia belongs to Dissorophidae'
  • 'Ectenosaurus belongs to Mosasauridae'
  • 'Ectocion belongs to Meniscotheriidae'
  • 'Ectoconus belongs to Periptychidae'
  • 'Edaphocyon belongs to Procyonidae'
  • 'Edaphosauridae belongs to Pelycosauria'
  • 'Edaphosaurus belongs to Edaphosauridae'
  • 'Edentosuchidae belongs to Mesosuchia'
  • 'Edentosuchus belongs to Edentosuchidae'
  • 'Edmontosaurus belongs to Hadrosauridae'
  • 'Edopidae belongs to Edopoidea'
  • 'Edopoidea belongs to Temnospondyli'
  • 'Edops belongs to Edopidae'
  • 'Edvardotrouessartia belongs to Notostylopidae'
  • 'Egernia belongs to Scincidae'
  • 'Eggysodon belongs to Hyracodontidae'
  • 'Eichstaettisaurus belongs to Ardeosauridae'
  • 'Eidolosaurus belongs to Dolichosauridae'
  • 'Eifelosaurus belongs to Rhynchosauridae'
  • 'Eilenosaurus belongs to Sphenodontidae'
  • 'Elaphe belongs to Colubridae'
  • 'Elaphrocnemus belongs to Idiornithidae'
  • 'Elaphrosaurus belongs to Ornithomimidae'
  • 'Elaphurus belongs to Cervidae'
  • 'Elapidae belongs to Colubroidea'
  • 'Elasmosauridae belongs to Plesiosauroidea'
  • 'Elasmosaurus belongs to Elasmosauridae'
  • 'Elasmotherium belongs to Rhinocerotidae'
  • 'Elassotherium belongs to Mylodontidae'
  • 'Elephantidae belongs to Euelephantoidea'
  • 'Elephantosaurus belongs to Kannemeyeriidae'
  • 'Elephas belongs to Elephantidae'
  • 'Eleutherocercus belongs to Glyptodontidae'
  • 'Eleutherodactylus belongs to Leptodactylidae'
  • 'Eleutherornis belongs to Eleutherornithidae'
  • 'Eleutherornithidae belongs to Grues'
  • 'Elfridia belongs to Gymnarthridae'
  • 'Elginia belongs to Pareiasauridae'
  • 'Elliotsmithia belongs to Pelycosauria'
  • 'Elmisauridae belongs to Theropoda'
  • 'Elmisaurus belongs to Elmisauridae'
  • 'Elomeryx belongs to Anthracotheriidae'
  • 'Emarginachelys belongs to Chelydridae'
  • 'Emballonuridae belongs to Emballonuroidea'
  • 'Emballonuroidea belongs to Microchiroptera'
  • 'Embasaurus belongs to Megalosaurinidae'
  • 'Embolomeri belongs to Anthracosauria'
  • 'Embolotherium belongs to Brontotheridae'
  • 'Embrithopoda belongs to Eutheria'
  • 'Embrithosaurus belongs to Pareiasauridae'
  • 'Emeus belongs to Dinornithidae'
  • 'Emydidae belongs to Testudinoidea'
  • 'Emydoidea belongs to Emydidae'
  • 'Emydopidae belongs to Diictodontia'
  • 'Emydops belongs to Emydopidae'
  • 'Emydorhinus belongs to Dicynodontia'
  • 'Emydura belongs to Chelidae'
  • 'Emyduranus belongs to Pristerodontidae'
  • 'Emys belongs to Emydidae'
  • 'Enaliarctinae was reranked as the family Enaliarctidae and belongs to Otarioidea'
  • 'Enaliarctos belongs to Enaliarctidae'
  • 'Enaliornis belongs to Enaliornithidae'
  • 'Enaliornithidae belongs to Hesperornithiformes'
  • 'Enaliosuchus belongs to Metriorhynchidae'
  • 'Enantiornis belongs to Enantiornithidae'
  • 'Enantiornithidae belongs to Enantiornithiformes'
  • 'Enantiornithiformes belongs to Neornithes'
  • 'Endennasauridae belongs to Diapsida'
  • 'Endomychura belongs to Alcidae'
  • 'Endothiodon belongs to Endothiodontidae'
  • 'Endothiodontia belongs to Dicynodontia'
  • 'Endothiodontidae belongs to Endothiodontia'
  • 'Enhydra belongs to Mustelidae'
  • 'Enhydrictis belongs to Mustelidae'
  • 'Enhydriodon belongs to Mustelidae'
  • 'Enhydritherium belongs to Mustelidae'
  • 'Ennatosaurus belongs to Caseidae'
  • 'Enneoconus belongs to Didolodontidae'
  • 'Enosuchus belongs to Kotlassidae'
  • 'Entelodon belongs to Entelodontidae'
  • 'Entelodontidae belongs to Entelodontoidea'
  • 'Entelodontoidea belongs to Suina'
  • 'Entelops belongs to Entelopidae'
  • 'Entelopsidae is corrected as Entelopidae and belongs to Mylodontoidea'
  • 'Eoalligator belongs to Alligatoridae'
  • 'Eoanilius belongs to Aniliidae'
  • 'Eoarctops belongs to Gorgonopsidae'
  • 'Eoauchenia belongs to Proterotheriidae'
  • 'Eobucco belongs to Primobucconidae'
  • 'Eocaptorhinus belongs to Captorhinidae'
  • 'Eocardiidae belongs to Cavioidea'
  • 'Eoceratops belongs to Ceratopsidae'
  • 'Eocetus belongs to Protocetidae'
  • 'Eochelone belongs to Cheloniidae'
  • 'Eocrex belongs to Rallidae'
  • 'Eocyclotosaurus belongs to Capitosauridae'
  • 'Eodesmatodon belongs to Phenacodontidae'
  • 'Eodicynodon belongs to Eodicynodontidae'
  • 'Eodicynodontia belongs to Dicynodontia'
  • 'Eodicynodontidae belongs to Eodicynodontia'
  • 'Eodiploglossus belongs to Anguidae'
  • 'Eodiscoglossus belongs to Discoglossidae'
  • 'Eoentelodon belongs to Entelodontidae'
  • 'Eofelis belongs to Felidae'
  • 'Eogavialis belongs to Gavialidae'
  • 'Eogeranoides belongs to Geranoididae'
  • 'Eoglyptosaurus belongs to Anguidae'
  • 'Eogruidae belongs to Grues'
  • 'Eogrus belongs to Eogruidae'
  • 'Eogyrinidae belongs to Embolomeri'
  • 'Eogyrinus belongs to Eogyrinidae'
  • 'Eohegetotherium belongs to Archaeohyracidae'
  • 'Eoherpeton belongs to Eoherpetontidae'
  • 'Eoherpetontidae belongs to Embolomeri'
  • 'Eohyrax belongs to Archaeohyracidae'
  • 'Eolacerta belongs to Lacertidae'
  • 'Eolacertilia belongs to Lacertilia'
  • 'Eolestes belongs to Erinaceidae'
  • 'Eoletes belongs to Lophialetidae'
  • 'Eomanis belongs to Manidae'
  • 'Eomegatherium belongs to Megatheriidae'
  • 'Eomellivora belongs to Mustelidae'
  • 'Eomorphippus belongs to Notohippidae'
  • 'Eomyidae belongs to Geomyoidea'
  • 'Eopelobates belongs to Pelobatidae'
  • 'Eoplatanista belongs to Odontoceti'
  • 'Eopneumatosuchus belongs to Protosuchidae'
  • 'Eoproterotherium belongs to Proterotheriidae'
  • 'Eoraetia belongs to Chiniquodontoidea'
  • 'Eorhinophrynus belongs to Rhinophrynidae'
  • 'Eosaniwa belongs to Necrosauridae'
  • 'Eosimops belongs to Dicynodontia'
  • 'Eosphargis belongs to Dermochelyidae'
  • 'Eosqualodon belongs to Squalodontidae'
  • 'Eostrix belongs to Protostrigidae'
  • 'Eostylocerus belongs to Cervidae'
  • 'Eosuchia belongs to Lepidosauromorpha'
  • 'Eosuchia belongs to Crocodylia'
  • 'Eosuchus belongs to Crocodylidae'
  • 'Eosyncerus belongs to Bovidae'
  • 'Eosyodon belongs to Brithopodidae'
  • 'Eotalpa belongs to Talpidae'
  • 'Eotheroides belongs to Dugongidae'
  • 'Eothyrididae belongs to Pelycosauria'
  • 'Eothyris belongs to Eothyrididae'
  • 'Eotitanops belongs to Brontotheridae'
  • 'Eotitanosuchia belongs to Therapsida'
  • 'Eotitanosuchidae belongs to Eotitanosuchia'
  • 'Eotitanosuchus belongs to Eotitanosuchidae'
  • 'Eotitanotherium belongs to Brontotheridae'
  • 'Eotomistoma belongs to Champsosauridae'
  • 'Eotragus belongs to Bovidae'
  • 'Eotylopus belongs to Oromerycidae'
  • 'Eoxenopoides belongs to Pipidae'
  • 'Epanterias belongs to Sauropoda'
  • 'Epecuenia belongs to Proterotheriidae'
  • 'Epiemys belongs to Emydidae'
  • 'Epihippus belongs to Equidae'
  • 'Epimachairodus belongs to Felidae'
  • 'Epimanteoceras belongs to Brontotheridae'
  • 'Epipatriarchus belongs to Interatheriidae'
  • 'Epipeltephilus belongs to Dasypodidae'
  • 'Episoriculus belongs to Soricidae'
  • 'Epitriplopus belongs to Hyracodontidae'
  • 'Epoicotheriidae belongs to Palaeanodonta'
  • 'Epoicotherium belongs to Epoicotheriidae'
  • 'Equidae belongs to Equoidea'
  • 'Equoidea belongs to Hippomorpha'
  • 'Equus belongs to Equidae'
  • 'Equus (Protohippus) was reranked as Protohippus and belongs to Equidae'
  • 'Erdenetesaurus belongs to Teiidae'
  • 'Erectopus belongs to Megalosaurinidae'
  • 'Eremias belongs to Lacertidae'
  • 'Eremotherium belongs to Megatheriidae'
  • 'Erethizontidae belongs to Erethizontoidea'
  • 'Erethizontoidea belongs to Caviomorpha'
  • 'Eretmosaurus belongs to Pliosauridae'
  • 'Ergilornis belongs to Ergilornithidae'
  • 'Ergilornithidae belongs to Grues'
  • 'Ericiolacerta belongs to Ericiolacertidae'
  • 'Ericiolacertidae belongs to Therocephalia'
  • 'Erinaceus belongs to Erinaceidae'
  • 'Erlikosaurus is corrected as Erlicosaurus and belongs to Segnosauridae'
  • 'Ernanodon belongs to Ernanodontidae'
  • 'Ernestohaeckelia belongs to Macraucheniidae'
  • 'Ernestokokenia belongs to Didolodontidae'
  • 'Erpetocephalus belongs to Dendrerpetontidae'
  • 'Erpetosaurus belongs to Saurerpetontidae'
  • 'Erpetosuchidae belongs to Thecodontia'
  • 'Erpetosuchus belongs to Erpetosuchidae'
  • 'Eryopidae belongs to Eryopoidea'
  • 'Eryopoidea belongs to Temnospondyli'
  • 'Eryops belongs to Eryopidae'
  • 'Eryosuchus belongs to Capitosauridae'
  • 'Erythrobatrachus belongs to Trematosauridae'
  • 'Erythrochampsa belongs to Protosuchidae'
  • 'Erythrosuchidae belongs to Proterosuchia'
  • 'Erythrosuchus belongs to Erythrosuchidae'
  • 'Erythrotherium belongs to Morganucodontidae'
  • 'Erythrozootes belongs to Tenrecidae'
  • 'Eschrichtiidae belongs to Mysticeti'
  • 'Eschrichtius [misspelled as Eschrictius] belongs to Balaenidae'
  • 'Essonodontherium belongs to Megatheriidae'
  • 'Estemmenosuchidae belongs to Titanosuchia'
  • 'Estemmenosuchus belongs to Estemmenosuchidae'
  • 'Estheriophagus belongs to Procolophonidae'
  • 'Esthonychidae belongs to Tillodontia'
  • 'Esthonyx belongs to Esthonychidae'
  • 'Ethegotherium belongs to Hegetotheriidae'
  • 'Eubaena belongs to Baenidae'
  • 'Eubelodon belongs to Gomphotheriidae'
  • 'Euceratherium belongs to Bovidae'
  • 'Euchambersia belongs to Moschorhinidae'
  • 'Eucholoeops [misspelled as Eucholoeops] belongs to Megalonychidae'
  • 'Eucladoceros belongs to Cervidae'
  • 'Euctenoceros belongs to Cervidae'
  • 'Eucynodontia belongs to Cynodontia'
  • 'Eudimorphodon belongs to Eudimorphodontidae'
  • 'Eudimorphodontidae belongs to Rhamphorhynchoidea'
  • 'Eudinoceras belongs to Coryphodontidae'
  • 'Eudocimus belongs to Plataleidae'
  • 'Eudromia belongs to Tinamidae'
  • 'Eudyptes belongs to Spheniscidae'
  • 'Eudyptula belongs to Spheniscidae'
  • 'Euelephantoidea belongs to Proboscidea'
  • 'Eugyrinus belongs to Dendrerpetontidae'
  • 'Euhelopodidae belongs to Sauropoda'
  • 'Euhelopus belongs to Euhelopodidae'
  • 'Eulamaops belongs to Camelidae'
  • 'Eumantellia belongs to Dicynodontia'
  • 'Eumeces belongs to Scincidae'
  • 'Eumeryx belongs to Cervidae'
  • 'Eumetabolodon belongs to Procolophonidae'
  • 'Eumetopias belongs to Otariidae'
  • 'Eunectes belongs to Boidae'
  • 'Eunotosaurus belongs to Anapsida'
  • 'Euoplocephalus belongs to Ankylosauridae'
  • 'Eupantotheria belongs to Trituberculata'
  • 'Euparkeria belongs to Euparkeriidae'
  • 'Euparkeriidae belongs to Ornithosuchia'
  • 'Euphractus belongs to Dasypodidae'
  • 'Euposauridae belongs to Iguania'
  • 'Euposaurus belongs to Euposauridae'
  • 'Euproctus belongs to Salamandridae'
  • 'Euprox belongs to Cervoidea'
  • 'Eurheloderma belongs to Helodermatidae'
  • 'Eurhinodelphis belongs to Rhabdosteidae'
  • 'Eurhinosaurus belongs to Leptopterygiidae'
  • 'Eurotamandua belongs to Myrmecophagidae'
  • 'Euryapteryx belongs to Dinornithidae'
  • 'Eurycephalochelys belongs to Trionychidae'
  • 'Eurychororhinus belongs to Pristerodontidae'
  • 'Eurycleidus belongs to Pliosauridae'
  • 'Eurygenium belongs to Notohippidae'
  • 'Eurylaimidae belongs to Passeriformes'
  • 'Euryletes belongs to Tapiroidea'
  • 'Eurymylidae belongs to Anagalida'
  • 'Eurymylus belongs to Eurymylidae'
  • 'Euryodon belongs to Amynodontidae'
  • 'Euryodus belongs to Gymnarthridae'
  • 'Euryonotus belongs to Rallidae'
  • 'Eurypygidae belongs to Grues'
  • 'Eurysaurus belongs to Pliosauridae'
  • 'Eurysternum belongs to Thalassemyidae'
  • 'Eurystomus belongs to Coraciidae'
  • 'Eusarkia belongs to Eusarkiidae'
  • 'Eusarkiidae belongs to Pleurodira'
  • 'Eusauropleura belongs to Gephyrostegidae'
  • 'Euskelesaurus is corrected as Euskelosaurus and belongs to Anchisauridae'
  • 'Eusophus belongs to Leptodactylidae'
  • 'Eustreptospondylus belongs to Megalosauridae'
  • 'Eusuchia belongs to Crocodylia'
  • 'Eutatus belongs to Dasypodidae'
  • 'Euthecodon belongs to Crocodylidae'
  • 'Eutheria belongs to Theria'
  • 'Eutypomyidae belongs to Castorimorpha'
  • 'Eutypotherium belongs to Mesotheriidae'
  • 'Exaeretodon belongs to Traversodontidae'
  • 'Exallerix belongs to Erinaceomorpha'
  • 'Exoedaenodus belongs to Dimylidae'
  • 'Exostinus belongs to Xenosauridae'
  • 'Fabrosauridae belongs to Ornithopoda'
  • 'Fabrosaurus belongs to Fabrosauridae'
  • 'Falco belongs to Falconidae'
  • 'Falconidae belongs to Falconiformes'
  • 'Falconiformes belongs to Neognathae'
  • 'Fasolasuchus belongs to Rauisuchidae'
  • 'Fayella belongs to Dissorophidae'
  • 'Felidae belongs to Aeluroidea'
  • 'Felis belongs to Felidae'
  • 'Felsinotherium belongs to Dugongidae'
  • 'Fenhosuchus belongs to Thecodontia'
  • 'Fennecus belongs to Canidae'
  • 'Ferecetotherium belongs to Cetacea'
  • 'Ferinestrix belongs to Mustelidae'
  • 'Florentiamyidae belongs to Geomyoidea'
  • 'Floridaceras belongs to Rhinocerotidae'
  • 'Floridatragulus belongs to Camelidae'
  • 'Floridemys belongs to Testudinidae'
  • 'Forstercooperia belongs to Hyracodontidae'
  • 'Fratercula belongs to Alcidae'
  • 'Fregatae belongs to Pelecaniformes'
  • 'Fregatidae belongs to Fregatae'
  • 'Fresnosaurus belongs to Elasmosauridae'
  • 'Fringillidae belongs to Passeriformes'
  • 'Fugusuchus belongs to Erythrosuchidae'
  • 'Fulengia belongs to Fulengidae'
  • 'Fulengidae belongs to Eolacertilia'
  • 'Fulgurotherium belongs to Hypsilophodontidae'
  • 'Fulica belongs to Rallidae'
  • 'Fulicaletornis belongs to Rallidae'
  • 'Fulmarus belongs to Procellariidae'
  • 'Gaillardia belongs to Talpidae'
  • 'Gaindatherium belongs to Rhinocerotidae'
  • 'Galbulidae belongs to Coracii'
  • 'Galechirus belongs to Galeopsidae'
  • 'Galemys belongs to Talpidae'
  • 'Galeopithecidae belongs to Dermoptera'
  • 'Galeops belongs to Galeopsidae'
  • 'Galeopsidae belongs to Dromasauria'
  • 'Galepus belongs to Galeopsidae'
  • 'Galerix belongs to Erinaceidae'
  • 'Galesauridae belongs to Procynosuchia'
  • 'Galesaurus belongs to Galesauridae'
  • 'Galesphyridae belongs to Eusuchia'
  • 'Galesphyrus belongs to Galesphyridae'
  • 'Galesuchus belongs to Gorgonopsidae'
  • 'Galictis belongs to Mustelidae'
  • 'Galliformes belongs to Neognathae'
  • 'Gallimimus belongs to Ornithomimidae'
  • 'Gallinula belongs to Rallidae'
  • 'Gallinuloides belongs to Cracidae'
  • 'Gallodactylus belongs to Pterodactylidae'
  • 'Gallogoral belongs to Bovidae'
  • 'Gandakasia belongs to Protocetidae'
  • 'Gangicobus belongs to Bovidae'
  • 'Ganolophus belongs to Phenacolophidae'
  • 'Garjainia belongs to Erythrosuchidae'
  • 'Garudimimus belongs to Ornithomimidae'
  • 'Gastornis belongs to Diatrymidae'
  • 'Gastrophryne belongs to Microhylidae'
  • 'Gaudrya belongs to Cochleosauridae'
  • 'Gavia belongs to Gaviidae'
  • 'Gavialidae belongs to Eusuchia'
  • 'Gavialinum belongs to Teleosauridae'
  • 'Gavialis belongs to Gavialidae'
  • 'Gavialosuchus belongs to Gavialidae'
  • 'Gaviidae belongs to Gaviiformes'
  • 'Gaviiformes belongs to Neognathae'
  • 'Gaviota belongs to Laridae'
  • 'Gaylordia belongs to Didelphidae'
  • 'Gazella belongs to Bovidae'
  • 'Gecatogomphius [misspelled as Hecatogomphius] belongs to Captorhinidae'
  • 'Geckolepis belongs to Gekkonidae'
  • 'Geikia belongs to Dicynodontidae'
  • 'Geiseltaliellus belongs to Iguanidae'
  • 'Gekko belongs to Gekkonidae'
  • 'Gekkonidae belongs to Nyctisaura'
  • 'Gelasmodon belongs to Anthracotheriidae'
  • 'Gelocidae belongs to Traguloidea'
  • 'Gelocus belongs to Gelocidae'
  • 'Genetta belongs to Viverridae'
  • 'Geniohyus belongs to Pliohyracidae'
  • 'Gentilicamelus belongs to Camelidae'
  • 'Genyodectes belongs to Tyrannosauridae'
  • 'Geochelone belongs to Testudinidae'
  • 'Geoclemys belongs to Emydidae'
  • 'Geoemyda belongs to Emydidae'
  • 'Geomyidae belongs to Geomyoidea'
  • 'Geomyoidea belongs to Myomorpha'
  • 'Geosaurus belongs to Metriorhynchidae'
  • 'Geotrypus belongs to Talpidae'
  • 'Gephyrosauridae belongs to Sphenodonta'
  • 'Gephyrosaurus belongs to Gephyrosauridae'
  • 'Gephyrostegida belongs to Anthracosauria'
  • 'Gephyrostegidae belongs to Gephyrostegida'
  • 'Gephyrostegus belongs to Gephyrostegidae'
  • 'Gerandogekko belongs to Gekkonidae'
  • 'Geranodornis belongs to Geranoididae'
  • 'Geranoides belongs to Geranoididae'
  • 'Geranoididae belongs to Grues'
  • 'Geranopsis belongs to Gruidae'
  • 'Geranopterus belongs to Coraciidae'
  • 'Geranosaurus belongs to Heterodontosauridae'
  • 'Geringophis belongs to Boidae'
  • 'Germanodactylus belongs to Pterodactylidae'
  • 'Gerrhonotus belongs to Anguidae'
  • 'Gerrhosaurus belongs to Cordylidae'
  • 'Gerrothorax belongs to Plagiosauridae'
  • 'Gesneropithex belongs to Amphilemuridae'
  • 'Geyeriella belongs to Dicamptodontidae'
  • 'Gigantamynodon belongs to Amynodontidae'
  • 'Gigantohyrax belongs to Procaviidae'
  • 'Gigantophis belongs to Boidae'
  • 'Gigantornis belongs to Pelagornithidae'
  • 'Gillisonchus belongs to Periptychidae'
  • 'Gilmoreosaurus belongs to Hadrosauridae'
  • 'Giraffa belongs to Giraffidae'
  • 'Giraffidae belongs to Cervoidea'
  • 'Giraffokeryx belongs to Giraffidae'
  • 'Glareola belongs to Glareolidae'
  • 'Glareolidae belongs to Charadriiformes'
  • 'Glarichelys belongs to Cheloniidae'
  • 'Glaucosaurus belongs to Pelycosauria'
  • 'Gliridae belongs to Gliroidea'
  • 'Gliroidea belongs to Sciurognathi'
  • 'Globicephala belongs to Delphinidae'
  • 'Globidens belongs to Mosasauridae'
  • 'Glossochelys belongs to Toxochelyidae'
  • 'Glossotheridium belongs to Mylodontidae'
  • 'Glossotheriopsis belongs to Mylodontidae'
  • 'Glossotherium belongs to Mylodontidae'
  • 'Glyptatelus belongs to Glyptodontidae'
  • 'Glyptodon belongs to Glyptodontidae'
  • 'Glyptodontidae belongs to Glyptodontoidea'
  • 'Glyptodontoidea belongs to Loricata'
  • 'Glyptops belongs to Glyptopsidae'
  • 'Glyptopsidae belongs to Baenoidea'
  • 'Glyptosaurus belongs to Anguidae'
  • 'Glyptotherium belongs to Glyptodontidae'
  • 'Gnathosaurus belongs to Ctenochasmatidae'
  • 'Gnathotitan belongs to Brontotheridae'
  • 'Gnorhimosuchus belongs to Seymouriidae'
  • 'Gnotornis belongs to Ardeidae'
  • 'Gobiates belongs to Discoglossidae'
  • 'Gobiatheriidae belongs to Dinocerata'
  • 'Gobiaatar is a misspelling of Gobibaatar'
  • 'Gobiconodon belongs to Amphilestinae'
  • 'Gobicyon belongs to Canidae'
  • 'Gobiderma belongs to Diploglossa'
  • 'Gobihippus belongs to Equidae'
  • 'Gobiocerus belongs to Bovidae'
  • 'Gobiohyus belongs to Helohyidae'
  • 'Gobiomeryx belongs to Tragulidae'
  • 'Gobiosuchidae belongs to Mesosuchia'
  • 'Gobiosuchus belongs to Gobiosuchidae'
  • 'Gobipterygidae belongs to Gobipterygiformes'
  • 'Gobipterygiformes belongs to Neornithes'
  • 'Gobipteryx belongs to Gobipterygidae'
  • 'Goinophis belongs to Serpentes'
  • 'Goliathia belongs to Balaenicipitidae'
  • 'Gomphodontosuchus belongs to Traversodontidae'
  • 'Gomphos belongs to Mimotonidae'
  • 'Gomphotheriidae belongs to Euelephantoidea'
  • 'Gomphotherium belongs to Gomphotheriidae'
  • 'Gondwanosaurus belongs to Benthosuchidae'
  • 'Gongbusaurus belongs to Fabrosauridae'
  • 'Gongylomorphus belongs to Scincidae'
  • 'Goniodelphis belongs to Delphinidae'
  • 'Gonioglyptus belongs to Trematosauridae'
  • 'Goniopholididae [misspelled as Goniophididae] belongs to Mesosuchia'
  • 'Goniopholis belongs to Goniophididae'
  • 'Goniorhynchidae belongs to Tuditanomorpha'
  • 'Gonotelma belongs to Anthracotheriidae'
  • 'Gopherus belongs to Testudinidae'
  • 'Gordonia belongs to Dicynodontidae'
  • 'Gorgodon belongs to Eotitanosuchia'
  • 'Gorgonops belongs to Gorgonopsidae'
  • 'Gorgonopsia belongs to Therapsida'
  • 'Gorgonopsidae belongs to Gorgonopsia'
  • 'Goupilictis belongs to Amphicyonidae'
  • 'Goyocephale belongs to Homalocephalidae'
  • 'Gracilisuchidae belongs to Thecodontia'
  • 'Gracilisuchus belongs to Gracilisuchidae'
  • 'Graculavidae belongs to Charadriiformes'
  • 'Graculavus belongs to Graculavidae'
  • 'Grallavis belongs to Ciconiiformes'
  • 'Gravitholus belongs to Pachycephalosauridae'
  • 'Grayemys belongs to Emydidae'
  • 'Greererpeton belongs to Colosteidae'
  • 'Grendelius belongs to Leptopterygiidae'
  • 'Griphodon belongs to Pyrotheriidae'
  • 'Grippia belongs to Omphalosauridae'
  • 'Grues belongs to Gruiformes'
  • 'Gruidae belongs to Grues'
  • 'Gruiformes belongs to Neognathae'
  • 'Grus belongs to Gruidae'
  • 'Gryphoca belongs to Phocidae'
  • 'Gryposuchus belongs to Gavialidae'
  • 'Gryzaja belongs to Otididae'
  • 'Gualosuchus belongs to Proterochampsidae'
  • 'Guggenheimia belongs to Didelphidae'
  • 'Guilestes belongs to Mesonychidae'
  • 'Guilielmofloweria belongs to Proterotheriidae'
  • 'Guilielmoscottia belongs to Interatheriidae'
  • 'Guixia belongs to Hyracodontidae'
  • 'Gulo belongs to Mustelidae'
  • 'Gymnarthridae belongs to Tuditanomorpha'
  • 'Gymnophiona belongs to Lepospondyli'
  • 'Gymnurechinus belongs to Erinaceidae'
  • 'Gypsornis belongs to Idiornithidae'
  • 'Gyrinophilus belongs to Plethodontidae'
  • 'Habromeryx belongs to Cervidae'
  • 'Habrosaurus belongs to Sirenidae'
  • 'Hadrictis belongs to Mustelidae'
  • 'Hadrodelphis belongs to Delphinidae'
  • 'Hadrokkosaurus belongs to Brachyopidae'
  • 'Hadrosauridae belongs to Ornithopoda'
  • 'Hadrosaurus belongs to Hadrosauridae'
  • 'Haematopodidae belongs to Charadriiformes'
  • 'Haematopus belongs to Haematopodidae'
  • 'Haematosaurus belongs to Teleosauridae'
  • 'Hainosaurus belongs to Mosasauridae'
  • 'Halcyones belongs to Coraciiformes'
  • 'Halcyornis belongs to Halcyornithidae'
  • 'Halcyornithidae belongs to Coraciiformes'
  • 'Haldanodon belongs to Docodontidae'
  • 'Halisaurus belongs to Mosasauridae'
  • 'Halitherium belongs to Dugongidae'
  • 'Halitherium (Prototherium) was reranked as Prototherium and belongs to Dugongidae'
  • 'Hallautherium belongs to Triconodonta'
  • 'Hallopidae belongs to Hallopoda'
  • 'Hallopoda belongs to Crocodylia'
  • 'Hallopus belongs to Hallopidae'
  • 'Halticosaurus belongs to Podokesauridae'
  • 'Haltictops belongs to Pseudictopidae'
  • 'Hangaiemys belongs to Chelonia'
  • 'Hapalodectidae belongs to Mesonychia'
  • 'Hapaloides belongs to Megatheriidae'
  • 'Hapalops belongs to Megatheriidae'
  • 'Haplaletes belongs to Hyopsodontidae'
  • 'Haplobunodon belongs to Haplobunodontidae'
  • 'Haplobunodontidae belongs to Hippopotamoidea'
  • 'Haplocanthosaurus belongs to Cetiosauridae'
  • 'Haploconus belongs to Periptychidae'
  • 'Haplocyon belongs to Amphicyonidae'
  • 'Haplocyonoides belongs to Amphicyonidae'
  • 'Haplocyonopsis belongs to Amphicyonidae'
  • 'Haplodontosaurus belongs to Lacertilia'
  • 'Haplohippus belongs to Equidae'
  • 'Haplolambda belongs to Barylambdidae'
  • 'Haplomastodon belongs to Gomphotheriidae'
  • 'Haplomeryx belongs to Xiphodontidae'
  • 'Haplomylus belongs to Hyopsodontidae'
  • 'Hapsidopareion belongs to Hapsidopareiontidae'
  • 'Hapsidopareiontidae belongs to Tuditanomorpha'
  • 'Haptodus belongs to Sphenacodontidae'
  • 'Haptosphenus belongs to Teiidae'
  • 'Haqueina belongs to Helohyidae'
  • 'Hardella belongs to Emydidae'
  • 'Harpagolestes belongs to Mesonychidae'
  • 'Harpagophagus belongs to Amphicyonidae'
  • 'Harpaleocyon belongs to Ursidae'
  • 'Harpyodidae belongs to Pantodonta'
  • 'Harpyodus belongs to Harpyodidae'
  • 'Harrisonsaurus belongs to Iguanidae'
  • 'Haughtoniana belongs to Dicynodontia'
  • 'Hayemys belongs to Baenidae'
  • 'Hayoceros belongs to Antilocapridae'
  • 'Hecubides [misspelled as Hebucides] belongs to Amphicyonidae'
  • 'Hegetotheriidae belongs to Hegetotheroidea'
  • 'Hegetotherium belongs to Hegetotheriidae'
  • 'Hegetotheroidea belongs to Typotheroidea'
  • 'Heishanemys belongs to Dermatemydidae'
  • 'Heishansaurus [misspelled as Heishanosaurus] belongs to Ankylosauridae'
  • 'Helagras belongs to Boidae'
  • 'Helarctos belongs to Ursidae'
  • 'Heleophilus belongs to Millerettidae'
  • 'Heleosaurus belongs to Thecodontia'
  • 'Heleosuchus belongs to Younginidae'
  • 'Helicoportax belongs to Bovidae'
  • 'Helicotragus belongs to Bovidae'
  • 'Heliornithidae belongs to Grues'
  • 'Helladotherium belongs to Giraffidae'
  • 'Helochelys belongs to Pleurosternidae'
  • 'Heloderma belongs to Helodermatidae'
  • 'Helodermatidae belongs to Varanoidea'
  • 'Helodermoides belongs to Anguidae'
  • 'Helogale belongs to Viverridae'
  • 'Helohyidae belongs to Artiodactyla'
  • 'Helohyus belongs to Helohyinae'
  • 'Helveticosauridae belongs to Placodontia'
  • 'Helveticosaurus belongs to Helveticosauridae'
  • 'Helvetiodon belongs to Triconodonta'
  • 'Hemiauchenia belongs to Camelidae'
  • 'Hemibos belongs to Bovidae'
  • 'Hemichelys belongs to Carettochelyidae'
  • 'Hemichoerus belongs to Suidae'
  • 'Hemicyon belongs to Ursidae'
  • 'Hemidactylus belongs to Gekkonidae'
  • 'Hemihegetotherium belongs to Hegetotheriidae'
  • 'Hemimeryx belongs to Anthracotheriidae'
  • 'Hemiprotosuchus belongs to Protosuchidae'
  • 'Hemistrepsiceros belongs to Bovidae'
  • 'Hemithlaeus belongs to Periptychidae'
  • 'Hemitragus belongs to Bovidae'
  • 'Hemixotodon belongs to Toxodontidae'
  • 'Hendryomeryx belongs to Leptomerycidae'
  • 'Henodontidae belongs to Placodontia'
  • 'Henodus belongs to Henodontidae'
  • 'Henophidia belongs to Serpentes'
  • 'Henricofilholia belongs to Leontiniidae'
  • 'Henricosbornia belongs to Henricosborniidae'
  • 'Henricosbornidae is corrected as Henricosborniidae and belongs to Notioprogonia'
  • 'Heomys belongs to Eurymylidae'
  • 'Heothema belongs to Anthracotheriidae'
  • 'Heptacodon belongs to Anthracotheriidae'
  • 'Heptasteornis belongs to Theropoda'
  • 'Heptasuchus belongs to Rauisuchidae'
  • 'Herbstosaurus belongs to Pterodactylidae'
  • 'Herpestes belongs to Viverridae'
  • 'Herpestides belongs to Viverridae'
  • 'Herpetocetus belongs to Cetotheriidae'
  • 'Herrerasauridae belongs to Staurikosauria'
  • 'Herrerasaurus belongs to Herrerasauridae'
  • 'Hesperhys belongs to Tayassuidae'
  • 'Hesperidoceras belongs to Bovidae'
  • 'Hesperocamelus belongs to Camelidae'
  • 'Hesperocetus belongs to Platanistidae'
  • 'Hesperocyon belongs to Canidae'
  • 'Hesperogavialis belongs to Gavialidae'
  • 'Hesperornidae is corrected as Hesperornithidae and belongs to Hesperornithiformes'
  • 'Hesperornis belongs to Hesperornithidae'
  • 'Hesperornithiformes belongs to Odontognathae'
  • 'Hesperoscalops belongs to Talpidae'
  • 'Hesperosiren belongs to Dugongidae'
  • 'Hesperosorex belongs to Soricidae'
  • 'Hesperosuchus belongs to Sphenosuchidae'
  • 'Heterocemas belongs to Cervoidea'
  • 'Heterocetus belongs to Cetotheriidae'
  • 'Heterodelphis belongs to Acrodelphidae'
  • 'Heterodon belongs to Colubridae'
  • 'Heterodontosauridae belongs to Ornithopoda'
  • 'Heterodontosaurus belongs to Heterodontosauridae'
  • 'Heteroglyphis belongs to Proterotheriidae'
  • 'Heteromeryx belongs to Protoceratidae'
  • 'Heteromyidae belongs to Geomyoidea'
  • 'Heteroprox belongs to Cervoidea'
  • 'Heterorhea belongs to Rheidae'
  • 'Heuneus belongs to Dicynodontia'
  • 'Hexacodus belongs to Artiodactyla'
  • 'Hexameryx belongs to Antilocapridae'
  • 'Hexaprotodon belongs to Hippopotamidae'
  • 'Hexobelomeryx belongs to Antilocapridae'
  • 'Himalayasaurus belongs to Shastasauridae'
  • 'Hipparion belongs to Equidae'
  • 'Hipparion (Nannippus) was reranked as Nannippus and belongs to Equidae'
  • 'Hippidion belongs to Equidae'
  • 'Hippocamelus belongs to Cervidae'
  • 'Hippohyus belongs to Suidae'
  • 'Hippomorpha belongs to Perissodactyla'
  • 'Hippopotamidae belongs to Hippopotamoidea'
  • 'Hippopotamoidea belongs to Suina'
  • 'Hippopotamus belongs to Hippopotamidae'
  • 'Hipposauridae belongs to Gorgonopsia'
  • 'Hipposaurus belongs to Hipposauridae'
  • 'Hipposideridae belongs to Rhinolophoidea'
  • 'Hippotragus belongs to Bovidae'
  • 'Hispanochampsa belongs to Alligatoridae'
  • 'Hispanotherium belongs to Rhinocerotidae'
  • 'Hoazinoides belongs to Opisthocomidae'
  • 'Hofmeyria belongs to Hofmeyriidae'
  • 'Hofmeyriidae belongs to Therocephalia'
  • 'Hokouchelys belongs to Emydidae'
  • 'Holbrookia belongs to Iguanidae'
  • 'Holmesina belongs to Dasypodidae'
  • 'Holopsisuchus belongs to Crocodylidae'
  • 'Homacodon belongs to Artiodactyla'
  • 'Homalocephale belongs to Homalocephalidae'
  • 'Homalocephaleridae is corrected as Homalocephalidae and belongs to Pachycephalosauria'
  • 'Homalodotheriidae belongs to Toxodontia'
  • 'Homalodotherium belongs to Homalodotheriidae'
  • 'Homalostylops belongs to Notostylopidae'
  • 'Hominidae belongs to Hominoidea'
  • 'Hominoidea belongs to Catarrhini'
  • 'Homoeosaurus [misspelled as Homeosaurus] belongs to Sphenodontidae'
  • 'Homogalax belongs to Isectolophidae'
  • 'Homotherium belongs to Felidae'
  • 'Honanodon belongs to Mesonychidae'
  • 'Honanotherium belongs to Giraffidae'
  • 'Hondadelphys belongs to Didelphidae'
  • 'Hoplitosaurus belongs to Nodosauridae'
  • 'Hoplocetus belongs to Physeteridae'
  • 'Hoplochelys belongs to Dermatemydidae'
  • 'Hoplophorus belongs to Glyptodontidae'
  • 'Hoplosuchus belongs to Atoposaurides'
  • 'Hovasaurus belongs to Tangasauridae'
  • 'Howesia belongs to Rhynchosauridae'
  • 'Hsisosuchidae belongs to Mesosuchia'
  • 'Hsisosuchus belongs to Hsisosuchidae'
  • 'Hsiuannania belongs to Anagalidae'
  • 'Huaiyangale belongs to Anagalidae'
  • 'Huananodon belongs to Amynodontidae'
  • 'Huananothema belongs to Anthracotheriidae'
  • 'Huangotherium belongs to Rhinocerotidae'
  • 'Huanhepterus belongs to Ctenochasmatidae'
  • 'Huayangosaurus belongs to Stegosauridae'
  • 'Huberophis belongs to Boidae'
  • 'Hukoutherium belongs to Mesonychidae'
  • 'Hulgana belongs to Ischyromyidae'
  • 'Hulsanpes belongs to Dromaeosauridae'
  • 'Hupehsuchidae belongs to Ichthyopterygia'
  • 'Hyaena belongs to Hyaenidae'
  • 'Hyaenictis belongs to Hyaenidae'
  • 'Hyaenidae belongs to Aeluroidea'
  • 'Hyaenodontidae belongs to Creodonta'
  • 'Hydaspicobus belongs to Bovidae'
  • 'Hydaspitherium belongs to Giraffidae'
  • 'Hydralmosaurus belongs to Elasmosauridae'
  • 'Hydrictis belongs to Mustelidae'
  • 'Hydrochoeridae belongs to Cavioidea'
  • 'Hydromedusa belongs to Chelidae'
  • 'Hydropotes belongs to Cervidae'
  • 'Hydrotherosaurus belongs to Elasmosauridae'
  • 'Hyla belongs to Hylidae'
  • 'Hylaeobatrachus belongs to Urodeles'
  • 'Hylaeochampsa belongs to Hylaeochampsidae'
  • 'Hylaeochampsidae belongs to Eusuchia'
  • 'Hylaeosaurus belongs to Nodosauridae'
  • 'Hylerpeton belongs to Gymnarthridae'
  • 'Hylidae belongs to Anura'
  • 'Hylobatidae belongs to Hominoidea'
  • 'Hylochoerus belongs to Suidae'
  • 'Hylomeryx belongs to Artiodactyla'
  • 'Hylonomus belongs to Protorothyrididae'
  • 'Hyloplesion belongs to Hyloplesiontidae'
  • 'Hyloplesiontidae belongs to Microbrachomorpha'
  • 'Hynobiidae belongs to Cryptobranchoidea'
  • 'Hyoboops belongs to Anthracotheriidae'
  • 'Hyopsodontidae belongs to Condylarthra'
  • 'Hyopsodus belongs to Hyopsodontidae'
  • 'Hyosus belongs to Suidae'
  • 'Hyotherium belongs to Suidae'
  • 'Hyotitan belongs to Brontotheridae'
  • 'Hypercoryphodon belongs to Coryphodontidae'
  • 'Hyperdichobune belongs to Dichobunidae'
  • 'Hyperdidelphys belongs to Didelphidae'
  • 'Hyperleptus belongs to Megalonychidae'
  • 'Hyperodapedon belongs to Rhynchosauridae'
  • 'Hyperoxotodon belongs to Toxodontidae'
  • 'Hypertragulidae belongs to Traguloidea'
  • 'Hypertragulus belongs to Hypertragulidae'
  • 'Hypisodus belongs to Hypertragulidae'
  • 'Hyporhina belongs to Hyporhinidae'
  • 'Hyporhinidae belongs to Annulata'
  • 'Hyposaurus belongs to Dyrosauridae'
  • 'Hypsamynodon belongs to Amynodontidae'
  • 'Hypselorhachis belongs to Ctenosauriscidae'
  • 'Hypselosaurus belongs to Titanosauridae'
  • 'Hypsilolambda belongs to Bemalambdidae'
  • 'Hypsilophodon belongs to Hypsilophodontidae'
  • 'Hypsilophodontidae belongs to Ornithopoda'
  • 'Hypsimylus belongs to Mimotonidae'
  • 'Hypsodontus belongs to Bovidae'
  • 'Hypsognathus belongs to Procolophonidae'
  • 'Hyracodon belongs to Hyracodontidae'
  • 'Hyracodontidae belongs to Rhinocerotoidea'
  • 'Hyracoidea belongs to Eutheria'
  • 'Hyracolestes belongs to Insectivora'
  • 'Hyracotherium belongs to Equidae'
  • 'Hystricidae belongs to Hystricomorpha'
  • 'Hystricognathi belongs to Rodentia'
  • 'Hystricomorpha belongs to Hystricognathi'
  • 'Ianthasaurus belongs to Edaphosauridae'
  • 'Ibarus belongs to Leptochoerinae'
  • 'Iberomeryx belongs to Moschidae'
  • 'Iberosuchus belongs to Baurusuchidae'
  • 'Iberovaranus belongs to Varanidae'
  • 'Ibidopsis belongs to Rallidae'
  • 'Icaronycteroidea belongs to Microchiroptera'
  • 'Icarosaurus belongs to Kuehneosauridae'
  • 'Ichthyolestes belongs to Mesonychidae'
  • 'Ichthyophiidae belongs to Gymnophiona'
  • 'Ichthyopterygia belongs to Archosauria'
  • 'Ichthyornidae is corrected as Ichthyornithidae and belongs to Pedeticosauridae'
  • 'Ichthyornis belongs to Ichthyornithidae'
  • 'Ichthyosauridae belongs to Ichthyopterygia'
  • 'Ichthyosaurus belongs to Ichthyosauridae'
  • 'Ichthyostega belongs to Ichthyostegidae'
  • 'Ichthyostegalia belongs to Labyrinthodontia'
  • 'Ichthyostegidae belongs to Ichthyostegalia'
  • 'Ichthyostegopsis belongs to Ichthyostegidae'
  • 'Ictidorhinidae belongs to Gorgonopsia'
  • 'Ictidorhinus belongs to Ictidorhinidae'
  • 'Ictidostoma belongs to Hofmeyriidae'
  • 'Ictidosuchidae belongs to Therocephalia'
  • 'Ictidosuchoides belongs to Ictidosuchidae'
  • 'Ictidosuchoides intermedius belongs to Ictidosuchoides' according to Broom 1940
  • 'Ictidosuchoides longiceps belongs to Ictidosuchoides' according to Broom 1920
  • 'Ictidosuchoides rubidgei belongs to Ictidosuchoides' according to Broom 1936
  • 'Ictidosuchops belongs to Ictidosuchidae'
  • 'Ictidosuchus belongs to Ictidosuchidae'
  • 'Ictitherium belongs to Hyaenidae'
  • 'Ictonyx belongs to Mustelidae'
  • 'Ictopidium belongs to Leptictidae'
  • 'Idiocetus belongs to Balaenopteridae'
  • 'Idiophyseter belongs to Physeteridae'
  • 'Idiornis belongs to Idiornithidae'
  • 'Idiornithidae belongs to Cariamae'
  • 'Idiorophus belongs to Physeteridae'
  • 'Ifasaurus belongs to Trematosauridae'
  • 'Ignatiolambda belongs to Barylambdidae'
  • 'Iguana belongs to Iguanidae'
  • 'Iguanavus belongs to Lacertilia'
  • 'Iguania belongs to Lacertilia'
  • 'Iguanidae belongs to Iguania'
  • 'Iguanodon belongs to Iguanodontidae'
  • 'Iguanodontidae belongs to Ornithopoda'
  • 'Ikanogavialis belongs to Gavialidae'
  • 'Ilchunaia belongs to Sebecidae'
  • 'Ilchunaia parva belongs to Ilchunaia' according to Rusconi 1946
  • 'Ilerdaesaurus belongs to Lacertilia'
  • 'Ilianodon belongs to Hyracodontidae'
  • 'Iliosuchus belongs to Theropoda'
  • 'Imagotaria belongs to Odobaenidae'
  • 'Imequincisoria belongs to Hyracodontidae'
  • 'Imerocetus belongs to Cetotheriidae'
  • 'Imerodelphis belongs to Delphinidae'
  • 'Impregnochelys belongs to Testudinidae'
  • 'Incacetus belongs to Ziphiidae'
  • 'Indalecia belongs to Adianthidae'
  • 'Indarctos belongs to Ursidae'
  • 'Indicatoridae belongs to Piciformes'
  • 'Indobatrachus belongs to Leptodactylidae'
  • 'Indobrachyopidae belongs to Rhytidosteoidea'
  • 'Indobrachyops belongs to Indobrachyopidae'
  • 'Indohyus belongs to Helohyidae'
  • 'Indolophus belongs to Tapiroidea'
  • 'Indomeryx belongs to Hypertragulidae'
  • 'Indoredunca belongs to Bovidae'
  • 'Indosaurus belongs to Allosauridae'
  • 'Indosiren belongs to Dugongidae'
  • 'Indosuchus belongs to Tyrannosauridae'
  • 'Indratherium belongs to Giraffidae'
  • 'Indricotherium belongs to Hyracodontidae'
  • 'Indriidae belongs to Indrioidea'
  • 'Indrioidea belongs to Lemuriformes'
  • 'Inflectosaurus belongs to Trematosauridae'
  • 'Ingenia belongs to Oviraptoridae'
  • 'Ingentisorex belongs to Soricidae'
  • 'Inguza [misspelled as Insuza] belongs to Spheniscidae'
  • 'Iniopsis belongs to Delphinidae'
  • 'Injanatherium belongs to Giraffidae'
  • 'Inosaurus belongs to Megalosaurinidae'
  • 'Inostrancevia belongs to Gorgonopsidae'
  • 'Intasuchus belongs to Eryopidae'
  • 'Interatheridae is corrected as Interatheriidae and belongs to Typotheroidea'
  • 'Interatherium belongs to Interatheriidae'
  • 'Interhippus belongs to Notohippidae'
  • 'Iranotherium belongs to Rhinocerotidae'
  • 'Iratusaurus belongs to Dissorophidae'
  • 'Ischignathus belongs to Traversodontidae'
  • 'Ischigualastia belongs to Kannemeyeriidae'
  • 'Ischisaurus belongs to Herrerasauridae'
  • 'Ischyrictis belongs to Mustelidae'
  • 'Ischyrocyon belongs to Amphicyonidae'
  • 'Ischyrorhynchus belongs to Platanistidae'
  • 'Isectolophidae belongs to Ceratomorpha'
  • 'Isectolophus belongs to Isectolophidae'
  • 'Ishatherium belongs to Anthracobunidae'
  • 'Isocetus belongs to Cetotheriidae'
  • 'Isodectes belongs to Saurerpetontidae'
  • 'Isodontosaurus belongs to Lacertilia'
  • 'Isotemnus belongs to Isotemnidae'
  • 'Itaboraitherium belongs to Oldfieldthomasiidae'
  • 'Itasuchus belongs to Goniophididae'
  • 'Itemirus belongs to Theropoda'
  • 'Ivantosaurus belongs to Eotitanosuchidae'
  • 'Ixacanthus [misspelled as Ixacanthis] belongs to Delphinidae'
  • 'Jacana belongs to Jacanidae'
  • 'Jacanidae [misspelled as Jaccanidae] belongs to Charadriiformes'
  • 'Jacheleria belongs to Kannemeyeriidae'
  • 'Jaxartosaurus belongs to Hadrosauridae'
  • 'Jepsibaena belongs to Rhineuridae'
  • 'Jiangxia belongs to Mesonychidae'
  • 'Jonkeria belongs to Titanosuchidae'
  • 'Jozaria belongs to Anthracobunidae'
  • 'Jubbulpuria belongs to Theropoda'
  • 'Juncitarsus belongs to Phoenicopteridae'
  • 'Juxia belongs to Hyracodontidae'
  • 'Kabulicornis belongs to Bovidae'
  • 'Kachuga belongs to Emydidae'
  • 'Kadaliosaurus belongs to Araeoscelidae'
  • 'Kadimakara belongs to Prolacertidae'
  • 'Kahneria belongs to Captorhinidae'
  • 'Kakuru belongs to Coeluridae'
  • 'Kalisuchus belongs to Proterosuchidae'
  • 'Kallokibotiidae belongs to Chelonia'
  • 'Kallokibotion [misspelled as Kallokibotium] belongs to Kallokibotiidae'
  • 'Kamacops belongs to Dissorophidae'
  • 'Kampholophos [misspelled as Kampholophus] belongs to Kentriodontidae'
  • 'Kamtschatarctos belongs to Enaliarctidae'
  • 'Kangnasaurus belongs to Dryosauridae'
  • 'Kannemeyeria belongs to Kannemeyeriidae'
  • 'Kannemeyeriidae belongs to Pristerodontia'
  • 'Kansuchelys belongs to Testudinidae'
  • 'Kapes belongs to Procolophonidae'
  • 'Karauridae belongs to Karauroidea'
  • 'Karauroidea belongs to Urodeles'
  • 'Karaurus belongs to Karauridae'
  • 'Karpinskiosaurus belongs to Kotlassidae'
  • 'Kayentatherium belongs to Tritylodontidae'
  • 'Keichousaurus belongs to Pachypleuridae'
  • 'Kekenodon belongs to Archaeoceti'
  • 'Kelba belongs to Pantolestidae'
  • 'Kelmayisaurus belongs to Megalosaurinidae'
  • 'Kennalestidae belongs to Eutheria'
  • 'Kentisuchus belongs to Crocodylidae'
  • 'Kentriodon belongs to Kentriodontidae'
  • 'Kentriodontidae belongs to Odontoceti'
  • 'Kentrosaurus belongs to Stegosauridae'
  • 'Kenyamyidae belongs to Thryonomyoidea'
  • 'Kenyasaurus belongs to Tangasauridae'
  • 'Keraterpeton belongs to Keraterpetontidae'
  • 'Keraterpetontidae belongs to Nectridea'
  • 'Keratobrachyops belongs to Chigutisauridae'
  • 'Keratocephalus belongs to Tapinocephalidae'
  • 'Kestrosaurus belongs to Capitosauridae'
  • 'Khashanagale belongs to Anagalidae'
  • 'Khirtharia belongs to Helohyidae'
  • 'Khurendukhosaurus belongs to Champsosauridae'
  • 'Kibenikhoria belongs to Oldfieldthomasiidae'
  • 'Kichechia belongs to Viverridae'
  • 'Kimmerosaurus belongs to Cryptoclididae'
  • 'Kingoria belongs to Kingoridae'
  • 'Kingoridae belongs to Dicynodontia'
  • 'Kinixys belongs to Testudinidae'
  • 'Kinosternoidea was reranked as the superfamily Kinosternidae and belongs to Trionychoidea'
  • 'Kinosternon belongs to Kinosternidae'
  • 'Kirgizemynae belongs to Chelonia'
  • 'Klamelia belongs to Morganucodontidae'
  • 'Knoxosaurus belongs to Eotitanosuchia'
  • 'Koalliella belongs to Salamandridae'
  • 'Kobikeryx belongs to Bovidae'
  • 'Kobus belongs to Bovidae'
  • 'Kogiopsis belongs to Physeteridae'
  • 'Koiloskiosaurus belongs to Procolophonidae'
  • 'Kolpochoerus belongs to Suidae'
  • 'Kombuisia [misspelled as Kombusia] belongs to Kingoridae'
  • 'Korora belongs to Spheniscidae'
  • 'Korynochoerus belongs to Suidae'
  • 'Kotlassia belongs to Kotlassidae'
  • 'Kotlassidae belongs to Seymouriamorpha'
  • 'Koupia belongs to Dicynodontia'
  • 'Kourerpetidae [misspelled as Kourerpetontidae] belongs to Brachyopoidea'
  • 'Kourerpeton belongs to Kourerpetontidae'
  • 'Kraglievichia belongs to Dasypodidae'
  • 'Kronosaurus belongs to Pliosauridae'
  • 'Kuanchuanius belongs to Esthonychidae'
  • 'Kubanochoerus belongs to Suidae'
  • 'Kubanotragus belongs to Bovidae'
  • 'Kuehneosauridae belongs to Eolacertilia'
  • 'Kuehneosaurus belongs to Kuehneosauridae'
  • 'Kuehneosuchus belongs to Kuehneosauridae'
  • 'Kuehneotheriidae belongs to Symmetrodonta'
  • 'Kunminia belongs to Chiniquodontoidea'
  • 'Kunmunella belongs to Helohyidae'
  • 'Kvabebihyrax belongs to Pliohyracidae'
  • 'Kwangsisaurus belongs to Nothosauria'
  • 'Labidosaurikos belongs to Captorhinidae'
  • 'Labidosaurus belongs to Captorhinidae'
  • 'Labocania belongs to Theropoda'
  • 'Labyrinthodontia was reranked as a subclass and belongs to Amphibia'
  • 'Laccocephalus belongs to Rhinesuchidae'
  • 'Lacerta belongs to Lacertidae'
  • 'Lacertidae belongs to Leptoglossa'
  • 'Lacertilia was reranked as a suborder and belongs to Squamata'
  • 'Lacertulus belongs to Eolacertilia'
  • 'Laemanctus belongs to Iguanidae'
  • 'Laevisuchus belongs to Theropoda'
  • 'Lafonius belongs to Trimerorhachidae'
  • 'Lagerpeton belongs to Lagosuchidae'
  • 'Lagomeryx belongs to Palaeomerycidae'
  • 'Lagomorpha belongs to Eutheria'
  • 'Lagosuchidae belongs to Ornithosuchia'
  • 'Lagosuchus belongs to Lagosuchidae'
  • 'Laidleria belongs to Rhytidosteidae'
  • 'Lama belongs to Camelidae'
  • 'Lambeosaurus belongs to Hadrosauridae'
  • 'Lamegoia belongs to Didolodontidae'
  • 'Lammidhania belongs to Anthracobunidae'
  • 'Lamprolithax belongs to Odontoceti'
  • 'Lampropeltis belongs to Colubridae'
  • 'Lanasaurus belongs to Heterodontosauridae'
  • 'Lanthaniscus belongs to Lanthanosuchidae'
  • 'Lanthanosuchidae belongs to Anthracosauria'
  • 'Lanthanosuchus belongs to Lanthanosuchidae'
  • 'Lanthanotidae belongs to Varanoidea'
  • 'Lantianius belongs to Dichobunidae'
  • 'Laornis belongs to Graculavidae'
  • 'Laphyctis belongs to Mustelidae'
  • 'Laplatasaurus belongs to Titanosauridae'
  • 'Lapparentopheidae belongs to Simoliopheoidea'
  • 'Lapparentophis belongs to Lapparentopheidae'
  • 'Laredochoerus belongs to Leptochoerinae'
  • 'Laridae belongs to Charadriiformes'
  • 'Lariosaurus belongs to Nothosauridae'
  • 'Lartetotherium belongs to Rhinocerotidae'
  • 'Larus belongs to Laridae'
  • 'Laterallus belongs to Rallidae'
  • 'Latiscopus belongs to Trematosauridae'
  • 'Latonia belongs to Discoglossidae'
  • 'Leecyaena belongs to Hyaenidae'
  • 'Leidyosuchus belongs to Crocodylidae'
  • 'Leiocephalikon belongs to Gymnarthridae'
  • 'Leiocephalus belongs to Iguanidae'
  • 'Leiosaurus belongs to Iguanidae'
  • 'Lemuridae belongs to Lemuroidea'
  • 'Lemuriformes belongs to Prosimii'
  • 'Lemuroidea was reranked as a superfamily and belongs to Lemuriformes'
  • 'Lemurosaurus belongs to Ictidorhinidae'
  • 'Leontinia belongs to Leontiniidae'
  • 'Leontiniidae belongs to Toxodontia'
  • 'Leontocephalus belongs to Gorgonopsidae'
  • 'Lepidophyma belongs to Xantusiidae'
  • 'Lepidosauria was reranked as a superorder and belongs to Lepidosauromorpha'
  • 'Lepidosauromorpha belongs to Diapsida'
  • 'Leporidae belongs to Lagomorpha'
  • 'Lepospondyli was reranked as a subclass and belongs to Amphibia'
  • 'Leptacodon belongs to Nyctitheriidae'
  • 'Leptarctus belongs to Mustelidae'
  • 'Lepterpeton belongs to Urocordylidae'
  • 'Leptictidium belongs to Pseudorhyncocyonidae'
  • 'Leptobos belongs to Bovidae'
  • 'Leptoceratops belongs to Protoceratopsidae'
  • 'Leptochamops belongs to Teiidae'
  • 'Leptochoeridae belongs to Entelodontoidea'
  • 'Leptochoerus belongs to Leptochoerinae'
  • 'Leptocleidus belongs to Pliosauridae'
  • 'Leptocyon belongs to Canidae'
  • 'Leptodactylidae belongs to Anura'
  • 'Leptodactylus belongs to Leptodactylidae'
  • 'Leptodelphis belongs to Kentriodontidae'
  • 'Leptoglossa belongs to Lacertilia'
  • 'Leptolambda belongs to Barylambdidae'
  • 'Leptomerycidae belongs to Traguloidea'
  • 'Leptomeryx belongs to Leptomerycidae'
  • 'Leptophoca belongs to Phocidae'
  • 'Leptophractus belongs to Eogyrinidae'
  • 'Leptopleuron belongs to Procolophonidae'
  • 'Leptopterygiidae belongs to Ichthyopterygia'
  • 'Leptopterygius belongs to Leptopterygiidae'
  • 'Leptoreodon belongs to Protoceratidae'
  • 'Leptoropha belongs to Rhipaeosauridae'
  • 'Leptorycteropus belongs to Orycteropodidae'
  • 'Leptosomidae [misspelled as Leptosomatidae] belongs to Coracii'
  • 'Leptotheridium belongs to Cebochoeridae'
  • 'Leptotragulus belongs to Protoceratidae'
  • 'Leptotragus belongs to Bovidae'
  • 'Lesothosuchus belongs to Protosuchidae'
  • 'Lessnessina belongs to Hyopsodontidae'
  • 'Lestodelphys belongs to Didelphidae'
  • 'Lestodon belongs to Mylodontidae'
  • 'Lestophis belongs to Rhineuridae'
  • 'Lethiscidae belongs to Aistopoda'
  • 'Lethiscus belongs to Lethiscidae'
  • 'Letoverpeton belongs to Discosauriscidae'
  • 'Leurospondylus belongs to Elasmosauridae'
  • 'Lewisuchus belongs to Gracilisuchidae'
  • 'Lexovisaurus belongs to Stegosauridae'
  • 'Libralces belongs to Cervidae'
  • 'Libycosuchidae belongs to Mesosuchia'
  • 'Libycosuchus belongs to Libycosuchidae'
  • 'Libytherium belongs to Giraffidae'
  • 'Licaphrium belongs to Proterotheriidae'
  • 'Licaphrops belongs to Proterotheriidae'
  • 'Limnatornis belongs to Coliidae'
  • 'Limnerpeton belongs to Micromelerpetontidae'
  • 'Limnoecus belongs to Soricidae'
  • 'Limnofregata belongs to Fregatidae'
  • 'Limnoiketes belongs to Lydekkerinidae'
  • 'Limnonyx belongs to Mustelidae'
  • 'Limnoscelidae belongs to Anthracosauria'
  • 'Limnoscelis belongs to Limnoscelidae'
  • 'Limnosceloides belongs to Limnoscelidae'
  • 'Limnoscelops belongs to Limnoscelidae'
  • 'Limnostygis belongs to Limnoscelidae'
  • 'Limognitherium belongs to Chalicotheriidae'
  • 'Lindholmemys belongs to Dermatemydidae'
  • 'Linnania belongs to Anagalidae'
  • 'Liodon is recombined as Liodon'
  • 'Liolithax belongs to Kentriodontidae'
  • 'Lisboasaurus belongs to Lacertilia'
  • 'Lissemys belongs to Trionychidae'
  • 'Lisserpeton belongs to Scapherpetonidae'
  • 'Listriodon belongs to Suidae'
  • 'Litakis belongs to Eolacertilia'
  • 'Lithophis belongs to Boidae'
  • 'Lithornidae belongs to Palaeognathae'
  • 'Lithornis belongs to Lithornidae'
  • 'Litomylus belongs to Hyopsodontidae'
  • 'Litopterna belongs to Eutheria'
  • 'Llistrofus belongs to Hapsidopareiontidae'
  • 'Lofochaius belongs to Esthonychidae'
  • 'Lohoodon belongs to Mesonychidae'
  • 'Lomaphorus belongs to Glyptodontidae'
  • 'Lonchodelphis belongs to Odontoceti'
  • 'Longirostromeryx belongs to Moschidae'
  • 'Longiscitula belongs to Dissorophidae'
  • 'Lophialetes belongs to Lophialetidae'
  • 'Lophialetidae belongs to Tapiroidea'
  • 'Lophiaspis belongs to Chalicotheriidae'
  • 'Lophiobunodon belongs to Dichobunidae'
  • 'Lophiodon belongs to Lophiodontidae'
  • 'Lophiodontidae belongs to Tapiroidea'
  • 'Lophiohys belongs to Helohyidae'
  • 'Lophiomeryx belongs to Leptomerycidae'
  • 'Lophiopus belongs to Equidae'
  • 'Lophiotherium belongs to Equidae'
  • 'Lophocetus belongs to Kentriodontidae'
  • 'Lophochelys belongs to Toxochelyidae'
  • 'Lophochoerus belongs to Suidae'
  • 'Lophogododon [misspelled as Lophogonodon] belongs to Mesonychidae'
  • 'Lopholistriodon belongs to Suidae'
  • 'Lophorhothon belongs to Hadrosauridae'
  • 'Loricata belongs to Xenarthra'
  • 'Loricosaurus belongs to Titanosauridae'
  • 'Lorisidae belongs to Lorisoidea'
  • 'Lorisoidea belongs to Lemuriformes'
  • 'Lotosaurus belongs to Ctenosauriscidae'
  • 'Louisina belongs to Hyopsodontidae'
  • 'Loxodonta belongs to Elephantidae'
  • 'Loxolithax belongs to Phocaenidae'
  • 'Loxomma belongs to Loxommatidae'
  • 'Loxommatidae belongs to Loxommatoidea'
  • 'Loxommatoidea belongs to Labyrinthodontia'
  • 'Luangwa belongs to Traversodontidae'
  • 'Ludiortyx belongs to Rallidae'
  • 'Lufengia belongs to Tritylodontidae'
  • 'Lufengosaurus belongs to Anchisauridae'
  • 'Lukousaurus belongs to Podokesauridae'
  • 'Lunania belongs to Chalicotherioidea'
  • 'Lupeosaurus is corrected as Luperosaurus and belongs to Pelycosauria'
  • 'Lupersuchus belongs to Rauisuchidae'
  • 'Lushiamynodon belongs to Amynodontidae'
  • 'Lusitanosaurus belongs to Scelidosauridae'
  • 'Lutra belongs to Mustelidae'
  • 'Lutravus belongs to Mustelidae'
  • 'Lutreolina belongs to Didelphidae'
  • 'Luzocephalus belongs to Lydekkerinidae'
  • 'Lycaenodon belongs to Ictidorhinidae'
  • 'Lycaenops belongs to Gorgonopsidae'
  • 'Lycaon belongs to Canidae'
  • 'Lycideops belongs to Lycideopsidae'
  • 'Lycideopsidae belongs to Therocephalia'
  • 'Lycorhinus belongs to Heterodontosauridae'
  • 'Lycyaena belongs to Hyaenidae'
  • 'Lydekkerina belongs to Lydekkerinidae'
  • 'Lydekkerinidae belongs to Rhinesuchoidea'
  • 'Lygodactylus belongs to Gekkonidae'
  • 'Lyncodon belongs to Mustelidae'
  • 'Lynx belongs to Felidae'
  • 'Lyrocephaliscus belongs to Trematosauridae'
  • 'Lyrocerus belongs to Bovidae'
  • 'Lyrosaurus belongs to Trematosauridae'
  • 'Lysorophia belongs to Lepospondyli'
  • 'Lysorophidae belongs to Lysorophia'
  • 'Lysorophus belongs to Lysorophidae'
  • 'Lystrosauridae belongs to Pristerodontia'
  • 'Lystrosaurus belongs to Lystrosauridae' according to Broom 1903
  • 'Mabokopithecus belongs to Suidae'
  • 'Mabuya belongs to Scincidae'
  • 'Macedonitherium belongs to Giraffidae'
  • 'Machaeromeryx belongs to Moschidae'
  • 'Machaerosaurus belongs to Anguidae'
  • 'Machairodus belongs to Felidae'
  • 'Machimosaurus belongs to Teleosauridae'
  • 'Machlydotherium belongs to Dasypodidae'
  • 'Macrauchenia belongs to Macraucheniidae'
  • 'Macraucheniidae belongs to Litopterna'
  • 'Macraucheniopsis belongs to Macraucheniidae'
  • 'Macrerpeton belongs to Cochleosauridae'
  • 'Macrobaena belongs to Chelonia'
  • 'Macrocephalochelys belongs to Chelydridae'
  • 'Macrocephalosaurus belongs to Teiidae'
  • 'Macrochelys [misspelled as Macroclemys] belongs to Chelydridae'
  • 'Macrochemus is corrected as Macrocnemus and belongs to Prolacertidae'
  • 'Macrochirifer belongs to Delphinidae'
  • 'Macrodelphinus belongs to Rhabdosteidae'
  • 'Macroeuphractus belongs to Dasypodidae'
  • 'Macrogalidia belongs to Viverridae'
  • 'Macroleter belongs to Nycteroleteridae'
  • 'Macromerion belongs to Sphenacodontidae'
  • 'Macropelobates belongs to Pelobatidae'
  • 'Macrophon belongs to Procolophonidae'
  • 'Macroplata belongs to Pliosauridae'
  • 'Macrorhineura belongs to Rhineuridae'
  • 'Macroscelidea belongs to Eutheria'
  • 'Macroscelididae belongs to Macroscelidea'
  • 'Macrotherium belongs to Chalicotheriidae'
  • 'Macrurosaurus belongs to Titanosauridae'
  • 'Madoqua belongs to Bovidae'
  • 'Madtsoia belongs to Boidae'
  • 'Mahavisaurus belongs to Indobrachyopidae'
  • 'Maiasaura belongs to Hadrosauridae'
  • 'Maiorana belongs to Periptychidae'
  • 'Majungasaurus belongs to Megalosaurinidae'
  • 'Majungatholus belongs to Pachycephalosauridae'
  • 'Makapania belongs to Bovidae'
  • 'Malaquiferus belongs to Oromerycidae'
  • 'Malerisaurus belongs to Prolacertidae'
  • 'Malpolon belongs to Colubridae'
  • 'Mamenchisaurus belongs to Diplodocidae'
  • 'Mammacyon belongs to Amphicyonidae'
  • 'Mammut belongs to Mammutidae'
  • 'Mammuthus belongs to Elephantidae'
  • 'Mammutidae belongs to Mammutoidea'
  • 'Mammutoidea belongs to Proboscidea'
  • 'Manatidae belongs to Sirenia'
  • 'Manatus belongs to Dugongidae'
  • 'Mancalla belongs to Alcidae'
  • 'Manchurochelys belongs to Sinemydidae'
  • 'Mandasuchus belongs to Rauisuchidae'
  • 'Mandschurosaurus belongs to Hadrosauridae'
  • 'Manidae belongs to Pholidota'
  • 'Manis belongs to Manidae' according to Gray 1821
  • 'Manteodon belongs to Coryphodontidae'
  • 'Marcetia belongs to Mustelidae'
  • 'Marmosa belongs to Didelphidae'
  • 'Marmosopsis belongs to Didelphidae'
  • 'Marplesornis belongs to Spheniscidae'
  • 'Marshosaurus belongs to Theropoda'
  • 'Martes belongs to Mustelidae'
  • 'Martinogale belongs to Mustelidae'
  • 'Masilabune belongs to Haplobunodontidae'
  • 'Masillamys belongs to Ischyromyidae'
  • 'Masritherium belongs to Anthracotheriidae'
  • 'Massetognathus belongs to Traversodontidae'
  • 'Massospondylus belongs to Anchisauridae'
  • 'Mastersonia belongs to Tapinocephalia'
  • 'Mastodon (Zygolophodon) was reranked as Zygolophodon and belongs to Mammutidae'
  • 'Mastodonsauridae belongs to Capitosauroidea'
  • 'Mastodonsaurus belongs to Mastodonsauridae'
  • 'Matutinia belongs to Eurymylidae'
  • 'Mauicetus belongs to Cetotheriidae'
  • 'Mauisaurus belongs to Elasmosauridae'
  • 'Mauremys belongs to Emydidae'
  • 'Maxschlosseria belongs to Oldfieldthomasiidae'
  • 'Mckennatherium belongs to Erinaceomorpha'
  • 'Medistylus belongs to Interatheriidae'
  • 'Megacerops belongs to Brontotheridae'
  • 'Megachiroptera belongs to Chiroptera'
  • 'Megachoerus belongs to Entelodontidae'
  • 'Megacnemus belongs to Prolacertidae'
  • 'Megadermatidae belongs to Rhinolophoidea'
  • 'Megadyptes belongs to Spheniscidae'
  • 'Megaegotheles belongs to Aegothelidae'
  • 'Megahippus belongs to Equidae'
  • 'Megalancosaurus belongs to Thecodontia'
  • 'Megalania belongs to Varanidae'
  • 'Megalapidae belongs to Lemuroidea'
  • 'Megalapteryx belongs to Dinornithidae'
  • 'Megalesthonyx belongs to Esthonychidae'
  • 'Megalictis belongs to Mustelidae'
  • 'Megalneusaurus belongs to Pliosauridae'
  • 'Megalocephalus belongs to Loxommatidae'
  • 'Megaloceros belongs to Cervidae'
  • 'Megalodelphis belongs to Delphinidae'
  • 'Megalohyrax belongs to Pliohyracidae'
  • 'Megalonychidae belongs to Megalonychoidea'
  • 'Megalonychoidea belongs to Pilosa'
  • 'Megalonychops belongs to Megalonychidae'
  • 'Megalonychotherium belongs to Megalonychidae'
  • 'Megalonyx belongs to Megalonychidae'
  • 'Megalosauri is corrected as Megalosauridae and belongs to Theropoda'
  • 'Megalosaurus belongs to Megalosauridae'
  • 'Megalotragus belongs to Bovidae'
  • 'Megalotriton belongs to Salamandridae'
  • 'Megalovis belongs to Bovidae'
  • 'Megamolgophis belongs to Lysorophia'
  • 'Megantereon belongs to Felidae'
  • 'Megapaloelodus belongs to Phoenicopteridae'
  • 'Megapodidae belongs to Galliformes'
  • 'Megaptera belongs to Balaenopteridae'
  • 'Megapteropsis belongs to Balaenopteridae'
  • 'Megathericulus belongs to Megatheriidae'
  • 'Megatheriidae belongs to Megalonychoidea'
  • 'Megatherium belongs to Megatheriidae'
  • 'Megazostrodon belongs to Morganucodontidae'
  • 'Meiolania belongs to Meiolaniidae'
  • 'Meiolaniidae belongs to Baenoidea'
  • 'Meiostylodon belongs to Esthonychidae'
  • 'Melaniella belongs to Palaeanodonta'
  • 'Melanopelta belongs to Plagiosauridae'
  • 'Melanorosauridae belongs to Prosauropoda'
  • 'Melanorosaurus belongs to Melanorosauridae'
  • 'Melanosaurus belongs to Anguidae'
  • 'Melanosuchus belongs to Alligatoridae'
  • 'Meleagris belongs to Phasianidae'
  • 'Meles belongs to Mustelidae'
  • 'Melidellavus belongs to Mustelidae'
  • 'Mellalictis belongs to Mustelidae'
  • 'Mellivora belongs to Mustelidae'
  • 'Mellivorodon belongs to Felidae'
  • 'Melodon belongs to Mustelidae'
  • 'Melosauridae belongs to Eryopoidea'
  • 'Melosaurus belongs to Melosauridae'
  • 'Melursus belongs to Ursidae'
  • 'Menelikia belongs to Bovidae'
  • 'Meniscodon belongs to Dichobunidae'
  • 'Meniscognathus belongs to Teiidae'
  • 'Meniscotheriidae belongs to Condylarthra'
  • 'Meniscotherium belongs to Meniscotheriidae'
  • 'Menoceras belongs to Rhinocerotidae'
  • 'Mephitis belongs to Mustelidae'
  • 'Mergus belongs to Anatidae'
  • 'Meridiosaurus belongs to Pholidosauridae'
  • 'Meroehyrax belongs to Pliohyracidae'
  • 'Meropidae belongs to Halcyones'
  • 'Merriamia belongs to Shastasauridae'
  • 'Mertensiella belongs to Salamandridae'
  • 'Merychippus belongs to Equidae'
  • 'Merycobunodon belongs to Oromerycidae'
  • 'Merycodus belongs to Antilocapridae'
  • 'Merycoidodontoidea belongs to Tylopoda'
  • 'Merycopotamus belongs to Anthracotheriidae'
  • 'Mesaceratherium belongs to Rhinocerotidae'
  • 'Mesatirhinus belongs to Brontotheridae'
  • 'Meschotherium belongs to Rhinocerotidae'
  • 'Mesembriacerus belongs to Bovidae'
  • 'Mesembriportax belongs to Bovidae'
  • 'Mesenosauridae belongs to Diapsida'
  • 'Mesenosaurus belongs to Mesenosauridae'
  • 'Mesitornithidae belongs to Grues'
  • 'Mesocetus belongs to Cetotheriidae'
  • 'Mesochelys belongs to Glyptopsidae'
  • 'Mesochoerus belongs to Suidae'
  • 'Mesocyon belongs to Canidae'
  • 'Mesodapedon belongs to Rhynchosauridae'
  • 'Mesohippus belongs to Equidae'
  • 'Mesomephitis belongs to Mustelidae'
  • 'Mesomeryx belongs to Artiodactyla'
  • 'Mesonychia belongs to Eutheria'
  • 'Mesonychidae belongs to Mesonychia'
  • 'Mesonyx belongs to Mesonychidae'
  • 'Mesophis belongs to Serpentes'
  • 'Mesoplodon belongs to Ziphiidae'
  • 'Mesoplodon (Cetorhynchus) was reranked as Cetorhynchus and belongs to Ziphiidae'
  • 'Mesosauria belongs to Anapsida'
  • 'Mesosauridae belongs to Mesosauria'
  • 'Mesosaurus belongs to Mesosauridae'
  • 'Mesoscalops belongs to Proscalopidae'
  • 'Mesosuchia belongs to Crocodylia'
  • 'Mesosuchus belongs to Rhynchosauridae'
  • 'Mesoteras belongs to Balaenopteridae'
  • 'Mesotheriidae belongs to Typotheroidea'
  • 'Mesotherium belongs to Mesotheriidae'
  • 'Messelobunodon belongs to Dichobunidae'
  • 'Metacervulus belongs to Cervidae'
  • 'Metacheiromyidae belongs to Palaeanodonta'
  • 'Metacheiromys belongs to Metacheiromyidae'
  • 'Metacordylodon belongs to Dimylidae'
  • 'Metacoryphodon belongs to Coryphodontidae'
  • 'Metahapalodectes belongs to Mesonychidae'
  • 'Metailurus belongs to Felidae'
  • 'Metamynodon belongs to Amynodontidae'
  • 'Metanothosaurus belongs to Nothosauria'
  • 'Metarctos belongs to Ursidae'
  • 'Metarhinus belongs to Brontotheridae'
  • 'Metasqualodon belongs to Squalodontidae'
  • 'Metatelmatherium belongs to Brontotheridae'
  • 'Metatheria was reranked as a subclass and belongs to Theria'
  • 'Metatitan belongs to Brontotheridae'
  • 'Metaxytherium belongs to Dugongidae'
  • 'Meteutatus belongs to Dasypodidae'
  • 'Metopocetus belongs to Cetotheriidae'
  • 'Metoposauridae belongs to Metoposauroidea'
  • 'Metoposauroidea belongs to Temnospondyli'
  • 'Metoposaurus belongs to Metoposauridae'
  • 'Metopotoxus belongs to Glyptodontidae'
  • 'Metriacanthosaurus belongs to Megalosaurinidae'
  • 'Metridiochoerus belongs to Suidae'
  • 'Metriorhynchidae belongs to Mesosuchia'
  • 'Metriorhynchus belongs to Metriorhynchidae'
  • 'Metriotherium belongs to Dichobunidae'
  • 'Meyasaurus belongs to Sphenodontidae'
  • 'Miacoidea belongs to Carnivora'
  • 'Michenia belongs to Camelidae'
  • 'Micoureus belongs to Didelphidae'
  • 'Micranteosaurus belongs to Anteosauridae'
  • 'Micraroter belongs to Ostodolepididae'
  • 'Microbrachidae belongs to Microbrachomorpha'
  • 'Microbrachis belongs to Microbrachidae'
  • 'Microbrachomorpha belongs to Microsauria'
  • 'Microbunodon belongs to Anthracotheriidae'
  • 'Microceratops belongs to Protoceratopsidae'
  • 'Microcetus belongs to Squalodontidae'
  • 'Microchampsa belongs to Thecodontia'
  • 'Microchiroptera belongs to Chiroptera'
  • 'Microcnemus belongs to Procolophonidae'
  • 'Microcoelus belongs to Sauropoda'
  • 'Microconodon belongs to Chiniquodontidae'
  • 'Microhylidae belongs to Anura'
  • 'Microhyus belongs to Hyopsodontidae'
  • 'Micromelerpeton belongs to Micromelerpetontidae'
  • 'Micromelerpetontidae belongs to Eryopoidea'
  • 'Micromeryx belongs to Moschidae'
  • 'Micropachycephalosaurus belongs to Homalocephalidae'
  • 'Microphocaena belongs to Kentriodontidae'
  • 'Micropholis belongs to Dissorophidae'
  • 'Microphon belongs to Procolophonidae'
  • 'Microposaurus belongs to Trematosauridae'
  • 'Micropternodontidae belongs to Soricomorpha'
  • 'Micropternodus belongs to Micropternodontidae'
  • 'Microsauria belongs to Lepospondyli'
  • 'Microsorex belongs to Soricidae'
  • 'Microstonyx belongs to Suidae'
  • 'Microsus belongs to Artiodactyla'
  • 'Microtheledon belongs to Procolophonidae'
  • 'Microtitan belongs to Brontotheridae'
  • 'Microtragus belongs to Bovidae'
  • 'Microvenator belongs to Coeluridae'
  • 'Microzeuglodon belongs to Archaeoceti'
  • 'Miguelsoria belongs to Protolipternidae'
  • 'Milleretta belongs to Millerettidae'
  • 'Millerettidae belongs to Millerosauroidea'
  • 'Millerettoides belongs to Millerettidae'
  • 'Millerettops belongs to Millerettidae'
  • 'Milleropsis belongs to Millerettidae'
  • 'Millerosauroidea belongs to Captorhinida'
  • 'Millerosaurus belongs to Millerettidae'
  • 'Milnea belongs to Plataleidae'
  • 'Milosaurus belongs to Pelycosauria'
  • 'Mimatuta belongs to Periptychidae'
  • 'Mimeosaurus belongs to Agamidae'
  • 'Mimobecklesisaurus belongs to Scincidae'
  • 'Mimolagus belongs to Mimotonidae'
  • 'Mimotona belongs to Mimotonidae'
  • 'Mimotonidae belongs to Anagalida'
  • 'Minchenella belongs to Phenacolophidae'
  • 'Minerva is a nomen dubium'
  • 'Minusculodelphis belongs to Didelphidae'
  • 'Mioachoerus belongs to Dichobunidae'
  • 'Miocepphus belongs to Alcidae'
  • 'Miocitta belongs to Corvidae'
  • 'Mioclaenidae belongs to Condylarthra'
  • 'Miocochilius belongs to Interatheriidae'
  • 'Miodelphis belongs to Odontoceti'
  • 'Mioechinus belongs to Erinaceidae'
  • 'Miofulica belongs to Rallidae'
  • 'Mioglareola belongs to Glareolidae'
  • 'Miohippus belongs to Equidae'
  • 'Miohyaena belongs to Hyaenidae'
  • 'Miolabis belongs to Camelidae'
  • 'Miolabis (Paratylopus) was reranked as Paratylopus and belongs to Camelidae'
  • 'Miomachairodus belongs to Felidae'
  • 'Miomastodon belongs to Mammutidae'
  • 'Miomephitis belongs to Mustelidae'
  • 'Miomeryx belongs to Leptomerycidae'
  • 'Miomustela belongs to Mustelidae'
  • 'Mionatrix belongs to Colubridae'
  • 'Mionictis belongs to Mustelidae'
  • 'Miopelobates belongs to Pelobatidae'
  • 'Miopelodytes belongs to Pelodytidae'
  • 'Miophasianus belongs to Phasianidae'
  • 'Mioproteus belongs to Proteidae'
  • 'Miorallus belongs to Rallidae'
  • 'Miosula belongs to Sulidae'
  • 'Miotapirus belongs to Tapiridae'
  • 'Miotragocerus belongs to Bovidae'
  • 'Miotylopus belongs to Camelidae'
  • 'Mirandatherium belongs to Didelphidae'
  • 'Mirocetus belongs to Cetacea'
  • 'Mixocetus belongs to Cetotheriidae'
  • 'Mixosauridae belongs to Ichthyopterygia'
  • 'Mixosaurus belongs to Mixosauridae'
  • 'Mixtotherium belongs to Cebochoeridae'
  • 'Mnemeiosaurus belongs to Brithopodidae'
  • 'Moeritheriidae belongs to Moeritherioidea'
  • 'Moeritherioidea belongs to Proboscidea'
  • 'Moeritherium belongs to Moeritheriidae'
  • 'Moiachoerus belongs to Cebochoeridae'
  • 'Molgophis belongs to Lysorophidae'
  • 'Molossidae belongs to Vespertilionoidea'
  • 'Molybdopygus belongs to Estemmenosuchidae'
  • 'Momotidae belongs to Halcyones'
  • 'Mongolemys belongs to Dermatemydidae'
  • 'Mongolestes belongs to Mesonychidae'
  • 'Mongolonyx belongs to Mesonychidae'
  • 'Mongolosaurus belongs to Sauropoda'
  • 'Monjurosuchus belongs to Sphenodontidae'
  • 'Monoclonius belongs to Ceratopsidae'
  • 'Monodelphis belongs to Didelphidae'
  • 'Monodelphopsis belongs to Didelphidae'
  • 'Monodon belongs to Monodontidae'
  • 'Monodontidae belongs to Odontoceti'
  • 'Monotherium belongs to Phocidae'
  • 'Monotremata belongs to Prototheria'
  • 'Montanatylopus belongs to Oromerycidae'
  • 'Montanoceratops belongs to Protoceratopsidae'
  • 'Moradisaurus belongs to Captorhinidae'
  • 'Morenocetus belongs to Balaenidae'
  • 'Morenosaurus belongs to Elasmosauridae'
  • 'Morganucodon belongs to Morganucodontidae'
  • 'Morganucodontidae belongs to Triconodonta'
  • 'Mormosaurus belongs to Tapinocephalidae'
  • 'Moropomorpha belongs to Perissodactyla'
  • 'Moropus belongs to Chalicotheriidae'
  • 'Morphippus belongs to Notohippidae'
  • 'Morus belongs to Sulidae'
  • 'Mosasauridae belongs to Varanoidea'
  • 'Mosasaurus belongs to Mosasauridae'
  • 'Moschidae belongs to Cervoidea'
  • 'Moschops belongs to Tapinocephalidae'
  • 'Moschorhinidae belongs to Therocephalia'
  • 'Moschorhinus belongs to Moschorhinidae'
  • 'Moschosaurus belongs to Tapinocephalidae'
  • 'Moschowhaitsia belongs to Whaitsiidae'
  • 'Moschus belongs to Moschidae'
  • 'Mouillacitherium belongs to Dichobunidae'
  • 'Mourasuchus belongs to Crocodylidae'
  • 'Muchocephalus belongs to Rhinesuchidae'
  • 'Mungos belongs to Viverridae'
  • 'Muntiacus belongs to Cervidae'
  • 'Muraenosaurus belongs to Elasmosauridae'
  • 'Muraenosaurus (Cryptoclidus) was reranked as Cryptoclidus and belongs to Cryptoclididae'
  • 'Muridae belongs to Muroidea'
  • 'Muroidea belongs to Myomorpha'
  • 'Musophaga belongs to Musophagidae'
  • 'Musophagidae belongs to Cuculiformes'
  • 'Mussaurus belongs to Anchisauridae'
  • 'Mustela belongs to Mustelidae'
  • 'Mustelictis belongs to Mustelidae'
  • 'Mustelidae belongs to Arctoidea'
  • 'Muttaburrasaurus belongs to Iguanodontidae'
  • 'Mycterosaurus belongs to Varanopseidae'
  • 'Mycterosuchus belongs to Teleosauridae'
  • 'Mygalea belongs to Talpidae'
  • 'Mygalinia belongs to Talpidae'
  • 'Mygatalpa belongs to Talpidae'
  • 'Mylagaulidae belongs to Aplodontoidea'
  • 'Mylodon belongs to Mylodontidae'
  • 'Mylodontidae belongs to Mylodontoidea'
  • 'Mylodontoidea belongs to Pilosa'
  • 'Mylohyus belongs to Tayassuidae'
  • 'Myocephalus belongs to Procolophonidae'
  • 'Myognathus belongs to Procolophonidae'
  • 'Myomorpha belongs to Sciurognathi'
  • 'Myophiomyidae belongs to Thryonomyoidea'
  • 'Myorycteropus belongs to Orycteropodidae'
  • 'Myosauroides belongs to Emydopidae'
  • 'Myosaurus belongs to Emydopidae'
  • 'Myosorex belongs to Soricidae'
  • 'Myotragus belongs to Bovidae'
  • 'Myrmecophaga belongs to Myrmecophagidae'
  • 'Myrmecophagidae belongs to Vermilingua'
  • 'Mysticeti belongs to Cetacea'
  • 'Mystipterus belongs to Talpidae'
  • 'Mystriosaurus belongs to Teleosauridae'
  • 'Mystriosuchus belongs to Phytosauridae'
  • 'Mytonomeryx belongs to Artiodactyla'
  • 'Myxomygale belongs to Talpidae'
  • 'Myzopodidae belongs to Vespertilionoidea'
  • 'Naemorhaedus belongs to Bovidae'
  • 'Naja belongs to Elapidae'
  • 'Nanchangasaurus belongs to Hupehsuchidae'
  • 'Nanhsiungchelys belongs to Chelonia'
  • 'Nanictidops belongs to Ictidosuchidae'
  • 'Nanictocephalus belongs to Scaloposauridae'
  • 'Nanlingilambda belongs to Archaeolambdidae'
  • 'Nannocetus [misspelled as Nanisocetus] belongs to Cetacea'
  • 'Nannolithax belongs to Odontoceti'
  • 'Nannopterygius belongs to Leptopterygiidae'
  • 'Nannospondylus belongs to Trimerorhachidae'
  • 'Nanochoerus belongs to Leptochoeridae'
  • 'Nanocynodon belongs to Galesauridae'
  • 'Nanomilleretta belongs to Millerettidae'
  • 'Nanoparia belongs to Pareiasauridae'
  • 'Nanosaurus belongs to Hypsilophodontidae'
  • 'Nanotragulus belongs to Hypertragulidae'
  • 'Naranius belongs to Palaeoryctidae'
  • 'Nasua belongs to Procyonidae'
  • 'Natalidae belongs to Vespertilionoidea'
  • 'Natrix belongs to Colubridae'
  • 'Navahoceros belongs to Cervidae'
  • 'Navajosuchus belongs to Crocodylidae'
  • 'Neanis belongs to Primobucconidae'
  • 'Nebraskophis belongs to Colubridae'
  • 'Necromanis belongs to Manidae'
  • 'Necrosauridae belongs to Varanoidea'
  • 'Necrosaurus belongs to Necrosauridae'
  • 'Necrosuchus belongs to Crocodylidae'
  • 'Nectridea was reranked as a order and belongs to Lepospondyli'
  • 'Necturus belongs to Proteidae'
  • 'Neldasaurus belongs to Trimerorhachidae'
  • 'Nematherium belongs to Mylodontidae'
  • 'Nemegtosaurus belongs to Diplodocidae'
  • 'Neoaetosauroides belongs to Stagnolepididae'
  • 'Neochelys belongs to Pelomedusidae'
  • 'Neococcyx belongs to Cuculidae'
  • 'Neocynodesmus belongs to Canidae'
  • 'Neodiacodexis belongs to Antiacodontinae'
  • 'Neogaeornis belongs to Baptornithidae'
  • 'Neognathae belongs to Neornithes'
  • 'Neohipparion belongs to Equidae'
  • 'Neomatronella belongs to Erinaceidae'
  • 'Neomys belongs to Soricidae'
  • 'Neonatrix belongs to Colubridae'
  • 'Neonematherium belongs to Mylodontidae'
  • 'Neophrontops belongs to Accipitridae'
  • 'Neoprocolophon belongs to Procolophonidae'
  • 'Neopteroplax belongs to Eogyrinidae'
  • 'Neornithes belongs to Aves'
  • 'Neosaurus belongs to Sphenacodontidae'
  • 'Neosqualodon belongs to Squalodontidae'
  • 'Neotamandua belongs to Myrmecophagidae'
  • 'Neotherium belongs to Odobaenidae'
  • 'Neothoracophorus belongs to Glyptodontidae'
  • 'Neotragocerus belongs to Bovidae'
  • 'Nerodia belongs to Colubridae'
  • 'Nesiotites belongs to Soricidae'
  • 'Nesodactylus belongs to Rhamphorhynchidae'
  • 'Nesodon belongs to Toxodontidae'
  • 'Nesodonopsis belongs to Toxodontidae'
  • 'Nesohippus belongs to Notohippidae'
  • 'Nesotrochis belongs to Rallidae'
  • 'Nestoritherium belongs to Chalicotheriidae'
  • 'Neurankylidae belongs to Baenoidea'
  • 'Neurankylus belongs to Neurankylidae'
  • 'Neurogymnurus belongs to Erinaceidae'
  • 'Neurotrichus belongs to Talpidae'
  • 'Neuryurus belongs to Glyptodontidae'
  • 'Neusibatrachus belongs to Palaeobatrachidae'
  • 'Newtonella belongs to Dicynodontia'
  • 'Nicrosaurus belongs to Phytosauridae'
  • 'Nigeropheidae belongs to Acrochordoidea'
  • 'Nimravidae belongs to Aeluroidea'
  • 'Nimravides belongs to Felidae'
  • 'Niolamia belongs to Meiolaniidae'
  • 'Nipponosaurus belongs to Hadrosauridae'
  • 'Nisidorcas belongs to Bovidae'
  • 'Nitosaurus belongs to Pelycosauria'
  • 'Noasaurus belongs to Theropoda'
  • 'Nodosauridae belongs to Ankylosauria'
  • 'Nodosaurus belongs to Nodosauridae'
  • 'Nopachtus belongs to Glyptodontidae'
  • 'Noripterus belongs to Dsungaripteridae'
  • 'Nothocyon belongs to Canidae'
  • 'Nothoprocta belongs to Tinamidae'
  • 'Nothosauria belongs to Sauropterygia'
  • 'Nothosauridae belongs to Nothosauria'
  • 'Nothosaurus belongs to Nothosauridae'
  • 'Nothotylopus belongs to Camelidae'
  • 'Nothrotheriops belongs to Megatheriidae'
  • 'Nothrotherium belongs to Megatheriidae'
  • 'Nothura belongs to Tinamidae'
  • 'Notiocetus belongs to Balaenopteridae'
  • 'Notiomastodon belongs to Gomphotheriidae'
  • 'Notioprogonia belongs to Notoungulata'
  • 'Notiosorex belongs to Soricidae'
  • 'Notobatrachus belongs to Ascaphidae'
  • 'Notobrachyops belongs to Brachyopidae'
  • 'Notoceratops belongs to Hadrosauridae'
  • 'Notochampsa belongs to Protosuchidae'
  • 'Notochoerus belongs to Suidae'
  • 'Notodiaphorus belongs to Macraucheniidae'
  • 'Notohippidae belongs to Toxodontia'
  • 'Notohippus belongs to Notohippidae'
  • 'Notomeryx belongs to Hypertragulidae'
  • 'Notophthalmus belongs to Salamandridae'
  • 'Notopithecus belongs to Interatheriidae'
  • 'Notostylopidae belongs to Notioprogonia'
  • 'Notostylops belongs to Notostylopidae'
  • 'Notosuchidae belongs to Mesosuchia'
  • 'Notosuchus belongs to Notosuchidae'
  • 'Notosyodon belongs to Brithopodidae'
  • 'Notoungulata belongs to Eutheria'
  • 'Nucleornis belongs to Spheniscidae'
  • 'Numididae belongs to Galliformes'
  • 'Nyanzachoerus belongs to Suidae'
  • 'Nyctanassa belongs to Ardeidae'
  • 'Nyctereutes belongs to Canidae'
  • 'Nycteroleter belongs to Nycteroleteridae'
  • 'Nycteroleteridae belongs to Anthracosauria'
  • 'Nyctiboetus belongs to Seymouriidae'
  • 'Nycticonodon belongs to Soricomorpha'
  • 'Nycticorax belongs to Ardeidae'
  • 'Nyctiphruretidae belongs to Procolophonoidea'
  • 'Nyctiphruretus belongs to Nyctiphruretidae'
  • 'Nyctisaura was reranked as a infraorder and belongs to Lacertilia'
  • 'Nyctitheriidae belongs to Soricomorpha'
  • 'Nyctitherium belongs to Nyctitheriidae'
  • 'Obdurodon belongs to Ornithorhynchidae'
  • 'Oblitavis belongs to Idiornithidae'
  • 'Ocadia belongs to Emydidae'
  • 'Occitaniavis belongs to Idiornithidae'
  • 'Oceanites belongs to Oceanitidae'
  • 'Oceanitidae belongs to Procellariiformes'
  • 'Oceanodroma belongs to Oceanitidae'
  • 'Ochotonidae belongs to Lagomorpha'
  • 'Ocnerotherium belongs to Toxodontidae'
  • 'Octodontidae belongs to Octodontoidea'
  • 'Octodontoidea belongs to Caviomorpha'
  • 'Octodontotherium belongs to Mylodontidae'
  • 'Octomylodon belongs to Mylodontidae'
  • 'Odaxosaurus belongs to Anguidae'
  • 'Odenwaldia belongs to Benthosuchidae'
  • 'Odobaenidae is corrected as Odobenidae and belongs to Otarioidea'
  • 'Odobenus belongs to Odobaenidae'
  • 'Odocoileus belongs to Cervidae'
  • 'Odonterpeton belongs to Odonterpetontidae'
  • 'Odonterpetontidae belongs to Microbrachomorpha'
  • 'Odontoceti belongs to Cetacea'
  • 'Odontognathae belongs to Neornithes'
  • 'Odontopterygia belongs to Pelecaniformes'
  • 'Odontopteryx belongs to Pelagornithidae'
  • 'Oedaleops belongs to Eothyrididae'
  • 'Oedolithax belongs to Odontoceti'
  • 'Oedolius belongs to Nyctitheriidae'
  • 'Ogmophis belongs to Boidae'
  • 'Ogygoptyngidae belongs to Strigiformes'
  • 'Ogygoptynx belongs to Ogygoptyngidae'
  • 'Oioceros belongs to Bovidae'
  • 'Oldfieldthomasiidae belongs to Toxodontia'
  • 'Oligobunis belongs to Mustelidae'
  • 'Oligodelphis belongs to Squalodontidae'
  • 'Oligodontosauridae belongs to Annulata'
  • 'Oligodontosaurus belongs to Oligodontosauridae'
  • 'Oligokyphus belongs to Tritylodontidae'
  • 'Oligoscalops belongs to Proscalopidae'
  • 'Oligosemia belongs to Salamandridae'
  • 'Oligosorex belongs to Soricidae'
  • 'Olonbulukia belongs to Bovidae'
  • 'Olsenia belongs to Chalicotheriidae'
  • 'Omeisaurus belongs to Euhelopodidae'
  • 'Omoiotyphlops belongs to Amphisbaenidae'
  • 'Omomyidae belongs to Tarsiiformes'
  • 'Omorhamphus belongs to Diatrymidae'
  • 'Omphalosauridae belongs to Ichthyopterygia'
  • 'Omphalosaurus belongs to Omphalosauridae'
  • 'Onactornis belongs to Phorusrhacidae'
  • 'Onchiodon belongs to Eryopidae'
  • 'Onohippidium belongs to Equidae'
  • 'Ontocetus belongs to Physeteridae'
  • 'Ophiacodon belongs to Ophiacodontidae'
  • 'Ophiacodontidae belongs to Pelycosauria'
  • 'Ophiderpeton belongs to Ophiderpetontidae'
  • 'Ophiderpetontidae belongs to Aistopoda'
  • 'Ophidium is a misspelling of Ophidion'
  • 'Ophidium belongs to Serpentes'
  • 'Ophipseudopus belongs to Anguidae'
  • 'Ophisauriscus belongs to Anguidae'
  • 'Ophisaurus belongs to Anguidae'
  • 'Ophthalmosaurus belongs to Ichthyosauridae'
  • 'Opisthias belongs to Sphenodontidae'
  • 'Opisthocoelicaudia belongs to Camarasauridae'
  • 'Opisthocomidae belongs to Cuculiformes'
  • 'Opisthodactylidae belongs to Rheiformes'
  • 'Opisthodactylus belongs to Opisthodactylidae'
  • 'Opisthotriton belongs to Batrachosauroididae'
  • 'Oplurus belongs to Iguanidae'
  • 'Orasius belongs to Bovidae'
  • 'Orchonoceros belongs to Bovidae'
  • 'Orcinus belongs to Delphinidae'
  • 'Oreamnos belongs to Bovidae'
  • 'Orenburgia belongs to Procolophonidae'
  • 'Oreonager belongs to Bovidae'
  • 'Oreopithecidae belongs to Cercopithecoidea'
  • 'Oreotragus belongs to Bovidae'
  • 'Oriadubitherium belongs to Toxodontidae'
  • 'Ornatotholus belongs to Pachycephalosauridae'
  • 'Ornimegalonyx belongs to Strigidae'
  • 'Ornithischia belongs to Archosauria'
  • 'Ornithocheiridae belongs to Pterodactyloidea'
  • 'Ornithocheirus belongs to Ornithocheiridae'
  • 'Ornithodesmus belongs to Ornithocheiridae'
  • 'Ornitholestes belongs to Coeluridae'
  • 'Ornithomimidae belongs to Theropoda'
  • 'Ornithomimoides belongs to Theropoda'
  • 'Ornithomimus belongs to Ornithomimidae'
  • 'Ornithopoda belongs to Ornithischia'
  • 'Ornithorhynchidae belongs to Monotremata'
  • 'Ornithorhynchus belongs to Ornithorhynchidae'
  • 'Ornithosuchia belongs to Thecodontia'
  • 'Ornithosuchidae belongs to Ornithosuchia'
  • 'Ornithosuchus belongs to Ornithosuchidae'
  • 'Orohippus belongs to Equidae'
  • 'Oroklambda belongs to Pantolambdodontidae'
  • 'Oromerycidae belongs to Cameloidea'
  • 'Oromeryx belongs to Oromerycidae'
  • 'Orophodon belongs to Mylodontidae'
  • 'Orthaspidotherium belongs to Meniscotheriidae'
  • 'Orthogenysuchus belongs to Crocodylidae'
  • 'Orthomerus belongs to Hadrosauridae'
  • 'Orthophyia belongs to Proteidae'
  • 'Orycterocetus belongs to Physeteridae'
  • 'Orycteropodidae belongs to Tubulidentata'
  • 'Orycteropus belongs to Orycteropodidae'
  • 'Orygotherium belongs to Bovidae'
  • 'Oryx belongs to Bovidae'
  • 'Osbornoceros belongs to Antilocapridae'
  • 'Osmotherium belongs to Mustelidae'
  • 'Osteodontornis belongs to Pelagornithidae'
  • 'Osteolaemus belongs to Crocodylidae'
  • 'Osteophorus belongs to Eryopidae'
  • 'Osteopygis belongs to Toxochelyidae'
  • 'Ostodolepidae [misspelled as Ostodolepididae] belongs to Tuditanomorpha'
  • 'Ostodolepis belongs to Ostodolepididae'
  • 'Otariina was reranked as the family Otariidae and belongs to Otarioidea'
  • 'Otarioidea belongs to Carnivora'
  • 'Othnielia belongs to Hypsilophodontidae'
  • 'Othnielmarshia belongs to Henricosborniidae'
  • 'Otididae belongs to Charadriiformes'
  • 'Otis belongs to Otididae'
  • 'Otocyon belongs to Canidae'
  • 'Ototriton belongs to Rhineuridae'
  • 'Otrhonia [misspelled as Otronia] belongs to Notostylopidae'
  • 'Otsheria belongs to Venjukoviidae'
  • 'Ottoceros belongs to Antilocapridae'
  • 'Otus belongs to Strigidae'
  • 'Oudenodontidae belongs to Pristerodontia'
  • 'Ouranosaurus belongs to Iguanodontidae'
  • 'Ovibos belongs to Bovidae'
  • 'Oviraptor belongs to Oviraptoridae'
  • 'Oviraptoridae belongs to Theropoda'
  • 'Ovis belongs to Bovidae'
  • 'Owenetta belongs to Nyctiphruretidae'
  • 'Oweniasuchus belongs to Goniophididae'
  • 'Oxyacodon belongs to Periptychidae'
  • 'Oxyaenidae belongs to Creodonta'
  • 'Oxybunotherium belongs to Didolodontidae'
  • 'Oxydactylus belongs to Camelidae'
  • 'Ozotoceros belongs to Cervidae'
  • 'Pachyacanthus belongs to Platanistidae'
  • 'Pachyaena belongs to Mesonychidae'
  • 'Pachybiotherium belongs to Didelphidae'
  • 'Pachycephalosauria belongs to Ornithischia'
  • 'Pachycephalosauridae belongs to Pachycephalosauria'
  • 'Pachycephalosaurus belongs to Pachycephalosauridae'
  • 'Pachycetus belongs to Archaeoceti'
  • 'Pachycrocuta belongs to Hyaenidae'
  • 'Pachycynodon belongs to Canidae'
  • 'Pachydyptes belongs to Spheniscidae'
  • 'Pachygazella belongs to Bovidae'
  • 'Pachygenelus belongs to Tritheledontidae'
  • 'Pachygonia belongs to Benthosuchidae'
  • 'Pachyhyrax belongs to Pliohyracidae'
  • 'Pachyophis belongs to Serpentes'
  • 'Pachyornis belongs to Dinornithidae'
  • 'Pachypleuridae is corrected as Pachypleurosauridae and belongs to Nothosauria'
  • 'Pachypleurosaurus belongs to Pachypleuridae'
  • 'Pachyportax belongs to Bovidae'
  • 'Pachyptila belongs to Procellariidae'
  • 'Pachyrhinosaurus belongs to Ceratopsidae'
  • 'Pachyrukhos belongs to Hegetotheriidae'
  • 'Pachystropheus belongs to Sphenodontidae'
  • 'Pachytegos belongs to Endothiodontidae'
  • 'Pachytitan belongs to Brontotheridae'
  • 'Pachytragus belongs to Bovidae'
  • 'Pachyvaranus belongs to Varanidae'
  • 'Padiochelys belongs to Thalassemyidae'
  • 'Paedsotherium belongs to Hegetotheriidae'
  • 'Paenelimnoecus belongs to Soricidae'
  • 'Paginula belongs to Oldfieldthomasiidae'
  • 'Pakicetus belongs to Protocetidae'
  • 'Pakotitanops belongs to Brontotheridae'
  • 'Palacrodon belongs to Sphenodontidae'
  • 'Palaeagama belongs to Paliguanidae'
  • 'Palaeanodon belongs to Metacheiromyidae'
  • 'Palaeanodonta belongs to Pholidota'
  • 'Palaeaspis belongs to Pelomedusidae'
  • 'Palaeeudyptes [misspelled as Palaeondyptes] belongs to Spheniscidae'
  • 'Palaelodus belongs to Phoenicopteridae'
  • 'Palaeoamasia belongs to Arsinoitheriidae'
  • 'Palaeoaramides belongs to Rallidae'
  • 'Palaeobatrachidae belongs to Anura'
  • 'Palaeobatrachus belongs to Palaeobatrachidae'
  • 'Palaeocetus belongs to Balaenopteridae'
  • 'Palaeochenoides belongs to Pelagornithidae'
  • 'Palaeochoerus belongs to Tayassuidae'
  • 'Palaeocryptonyx belongs to Phasianidae'
  • 'Palaeodoedicurus belongs to Glyptodontidae'
  • 'Palaeoephippiorhynchus belongs to Ciconiiformes'
  • 'Palaeognathae belongs to Neornithes'
  • 'Palaeogrus belongs to Gruidae'
  • 'Palaeoherpeton belongs to Eogyrinidae'
  • 'Palaeohierax belongs to Accipitridae'
  • 'Palaeohoplophorus belongs to Glyptodontidae'
  • 'Palaeohypsodontus belongs to Bovidae'
  • 'Palaeolacerta belongs to Bavarisauridae'
  • 'Palaeolama belongs to Camelidae'
  • 'Palaeomalpolon belongs to Colubridae'
  • 'Palaeomastodon belongs to Gomphotheriidae'
  • 'Palaeomeles belongs to Mustelidae'
  • 'Palaeomerycidae belongs to Cervoidea'
  • 'Palaeomeryx belongs to Palaeomerycidae'
  • 'Palaeomolgophis belongs to Adelogyrinidae'
  • 'Palaeomyrmedon belongs to Myrmecophagidae'
  • 'Palaeonaja belongs to Elapidae'
  • 'Palaeonatrix belongs to Colubridae'
  • 'Palaeopeltidae belongs to Dasypodoidea'
  • 'Palaeopeltis belongs to Palaeopeltidae'
  • 'Palaeophasianus belongs to Geranoididae'
  • 'Palaeophidae belongs to Booidea'
  • 'Palaeophocaena belongs to Phocaenidae'
  • 'Palaeopleurodeles belongs to Salamandridae'
  • 'Palaeopleurosaurus belongs to Pleurosauridae'
  • 'Palaeoprionodon belongs to Viverridae'
  • 'Palaeopropithecidae belongs to Indrioidea'
  • 'Palaeoproteus belongs to Batrachosauroididae'
  • 'Palaeopsittacus belongs to Psittacidae'
  • 'Palaeopython belongs to Boidae'
  • 'Palaeorallus belongs to Rallidae'
  • 'Palaeoreas belongs to Bovidae'
  • 'Palaeortyx belongs to Phasianidae'
  • 'Palaeoryctes belongs to Palaeoryctidae'
  • 'Palaeoryctidae belongs to Cimolesta'
  • 'Palaeoryx belongs to Bovidae'
  • 'Palaeosaniwa belongs to Varanidae'
  • 'Palaeoscincus belongs to Nodosauridae'
  • 'Palaeoscinidae belongs to Passeriformes'
  • 'Palaeoscinis belongs to Palaeoscinidae'
  • 'Palaeospheniscus belongs to Spheniscidae'
  • 'Palaeostylops belongs to Arctostylopidae'
  • 'Palaeosyops belongs to Brontotheridae'
  • 'Palaeotapirus belongs to Tapiridae'
  • 'Palaeotis belongs to Struthionidae'
  • 'Palaeotodus belongs to Todidae'
  • 'Palaeotoxodon belongs to Toxodontidae'
  • 'Palaeotragus belongs to Giraffidae'
  • 'Palaeoxantusia belongs to Xantusiidae'
  • 'Palaeoziphius belongs to Ziphiidae'
  • 'Palasiodon belongs to Hyopsodontidae'
  • 'Palatobaena belongs to Baenidae'
  • 'Palemydops belongs to Emydopidae'
  • 'Paleofarancia belongs to Colubridae'
  • 'Paleoheterodon belongs to Colubridae'
  • 'Paleoparadoxia belongs to Desmostylidae'
  • 'Paleophoca [misspelled as Palaeophoca] belongs to Phocidae'
  • 'Paleosuchus belongs to Alligatoridae'
  • 'Paleosula belongs to Sulidae'
  • 'Paleothyris belongs to Protorothyrididae'
  • 'Paleotrionyx belongs to Trionychidae'
  • 'Paleryx belongs to Boidae'
  • 'Paleuphractus belongs to Dasypodidae'
  • 'Paliguana belongs to Paliguanidae'
  • 'Paliguanidae belongs to Eolacertilia'
  • 'Palinhyaena belongs to Hyaenidae'
  • 'Palintropus belongs to Cimolopterygidae'
  • 'Pallimnarchus belongs to Crocodylidae'
  • 'Pallisteria belongs to Thecodontia'
  • 'Paloplotherium is a subjective synonym of Plagiolophus'
  • 'Paludavis belongs to Balaenicipitidae'
  • 'Palyeidodon belongs to Toxodontidae'
  • 'Pampatherium belongs to Dasypodidae'
  • 'Pandion belongs to Pandionidae'
  • 'Pandionidae belongs to Falconiformes'
  • 'Pannonictis belongs to Mustelidae'
  • 'Panochthus belongs to Glyptodontidae'
  • 'Panoplosaurus belongs to Nodosauridae'
  • 'Pantholops belongs to Bovidae'
  • 'Pantodonta belongs to Eutheria'
  • 'Pantolambda belongs to Pantolambdidae'
  • 'Pantolambdidae belongs to Pantodonta'
  • 'Pantolambdodon belongs to Pantolambdodontidae'
  • 'Pantolambdodontidae belongs to Pantodonta'
  • 'Pantylidae belongs to Tuditanomorpha'
  • 'Pantylus belongs to Pantylidae'
  • 'Paoteodon belongs to Procolophonidae'
  • 'Pappaceras belongs to Hyracodontidae'
  • 'Pappidictops belongs to Miacidae'
  • 'Pappocetus belongs to Protocetidae'
  • 'Papposaurus belongs to Proterogyrinidae'
  • 'Parabenthosuchus belongs to Benthosuchidae'
  • 'Parabos belongs to Bovidae'
  • 'Parabrachyodus belongs to Anthracotheriidae'
  • 'Parabradysaurus belongs to Estemmenosuchidae'
  • 'Parabreviodon belongs to Lophialetidae'
  • 'Parabrontops belongs to Brontotheridae'
  • 'Paracadurcodon belongs to Amynodontidae'
  • 'Paracamelus belongs to Camelidae'
  • 'Paracathartes belongs to Lithornidae'
  • 'Paraceratherium belongs to Hyracodontidae'
  • 'Paracervulus belongs to Cervidae'
  • 'Paracochilius belongs to Interatheriidae'
  • 'Paracolodon belongs to Tapiroidea'
  • 'Paracoluber belongs to Colubridae'
  • 'Paracontogenys belongs to Scincidae'
  • 'Paracrax belongs to Bathornithidae'
  • 'Paractiornis belongs to Glareolidae'
  • 'Paractitis belongs to Scolopacidae'
  • 'Paracyclotosaurus belongs to Capitosauridae'
  • 'Paradaphoenus belongs to Amphicyonidae'
  • 'Paraderma belongs to Helodermatidae'
  • 'Paradiceros belongs to Rhinocerotidae'
  • 'Paradidelphys belongs to Didelphidae'
  • 'Paradipsosaurus belongs to Iguanidae'
  • 'Paraentelodon belongs to Entelodontidae'
  • 'Paraepicrates belongs to Boidae'
  • 'Paraeuphractus belongs to Dasypodidae'
  • 'Paragale belongs to Mustelidae'
  • 'Paragalerhinus belongs to Gorgonopsidae'
  • 'Paragelocus belongs to Gelocidae'
  • 'Parageogale belongs to Tenrecidae'
  • 'Paragerrhonotus belongs to Anguidae'
  • 'Paraglyphanodon belongs to Teiidae'
  • 'Paraglyptodon belongs to Glyptodontidae'
  • 'Paraglyptosaurus belongs to Anguidae'
  • 'Paragrus belongs to Geranoididae'
  • 'Parahesperornis belongs to Hesperornidae'
  • 'Parahydraspis belongs to Chelidae'
  • 'Parahyus belongs to Helohyinae'
  • 'Parailurus belongs to Procyonidae'
  • 'Parakannemeyeria belongs to Kannemeyeriidae'
  • 'Paralichelys belongs to Pelomedusidae'
  • 'Paralligator belongs to Paralligatoridae'
  • 'Paralligatoridae belongs to Mesosuchia'
  • 'Paralophiodon belongs to Isectolophidae'
  • 'Paralutra belongs to Mustelidae'
  • 'Paramacellodidae belongs to Leptoglossa'
  • 'Paramacellodus belongs to Paramacellodidae'
  • 'Paramachaerodus belongs to Felidae'
  • 'Paramacrauchenia belongs to Macraucheniidae'
  • 'Paramynodon belongs to Amynodontidae'
  • 'Paranictops belongs to Pseudictopidae'
  • 'Paranothosaurus belongs to Nothosauridae'
  • 'Paranourosorex belongs to Soricidae'
  • 'Paranteosaurus belongs to Anteosauridae'
  • 'Paranthodon belongs to Stegosauridae'
  • 'Paranyroca belongs to Anatidae'
  • 'Paraortygometra belongs to Rallidae'
  • 'Paraoxybelis belongs to Colubridae'
  • 'Parapeltecoelus belongs to Dasypodidae'
  • 'Parapithecidae belongs to Parapithecoidea'
  • 'Parapithecoidea belongs to Catarrhini'
  • 'Paraplacodus belongs to Placodontidae'
  • 'Parapontoporia [misspelled as Parapontoparia] belongs to Pontoporiidae'
  • 'Paraprionosaurus belongs to Lacertilia'
  • 'Paraprotoryx belongs to Bovidae'
  • 'Parapseudopus belongs to Anguidae'
  • 'Parapsicephalus belongs to Rhamphorhynchidae'
  • 'Paraptenodytes belongs to Spheniscidae'
  • 'Pararallus belongs to Rallidae'
  • 'Pararctotherium belongs to Ursidae'
  • 'Parasaniwa belongs to Necrosauridae'
  • 'Parasaurolophus belongs to Hadrosauridae'
  • 'Parasauromalus belongs to Iguanidae'
  • 'Parasaurus belongs to Pareiasauridae'
  • 'Parascalops belongs to Talpidae'
  • 'Parasqualodon belongs to Squalodontidae'
  • 'Parastrapotherium belongs to Astrapotheriidae'
  • 'Parasuchus belongs to Phytosauridae'
  • 'Paratalpa belongs to Talpidae'
  • 'Parataxidea belongs to Mustelidae'
  • 'Parathrinaxodon belongs to Procynosuchidae'
  • 'Paratoceras belongs to Protoceratidae'
  • 'Paratrigodon belongs to Toxodontidae'
  • 'Paratrogon belongs to Trogonidae'
  • 'Paravaranidae belongs to Diploglossa'
  • 'Paravaranus belongs to Paravaranidae'
  • 'Paraxiphodon belongs to Xiphodontidae'
  • 'Pardirallus belongs to Rallidae'
  • 'Pareiasauridae belongs to Pareiasauroidea'
  • 'Pareiasauroidea belongs to Captorhinida'
  • 'Pareiasaurus belongs to Pareiasauridae'
  • 'Parictis belongs to Ursidae'
  • 'Parietobalaena belongs to Cetotheriidae'
  • 'Pariotichus belongs to Gymnarthridae'
  • 'Parioxyidae belongs to Eryopoidea'
  • 'Parioxys belongs to Parioxyidae'
  • 'Parksosaurus belongs to Hypsilophodontidae'
  • 'Parmularius belongs to Bovidae'
  • 'Parodaxosaurus belongs to Anguidae'
  • 'Paroedura belongs to Gekkonidae'
  • 'Paroligobunis belongs to Mustelidae'
  • 'Paromomyoidea belongs to Plesiadapiformes'
  • 'Paronychodon belongs to Dromaeosauridae'
  • 'Paroodectes belongs to Miacidae'
  • 'Parotosuchus belongs to Capitosauridae'
  • 'Paroxyclaenidae belongs to Condylarthra'
  • 'Parringtonia belongs to Erpetosuchidae'
  • 'Parringtoniella belongs to Dicynodontia'
  • 'Partanosaurus belongs to Nothosauria'
  • 'Parurmiatherium belongs to Bovidae'
  • 'Parviderma belongs to Necrosauridae'
  • 'Parvitragulus belongs to Hypertragulidae'
  • 'Paschatherium belongs to Hyopsodontidae'
  • 'Pascualgnathus belongs to Traversodontidae'
  • 'Passeriformes belongs to Neognathae'
  • 'Passerina belongs to Fringillidae'
  • 'Pastoralodon belongs to Pastoralodontidae'
  • 'Pastoralodontidae belongs to Pantodonta'
  • 'Pataecops belongs to Lophialetidae'
  • 'Patagosaurus belongs to Cetiosauridae'
  • 'Patriocetus belongs to Squalodontidae'
  • 'Patriomanis belongs to Manidae'
  • 'Paulogervaisia belongs to Didolodontidae'
  • 'Paurodontidae belongs to Eupantotheria'
  • 'Pecarichoerus belongs to Tayassuidae'
  • 'Pecora belongs to Ruminantia'
  • 'Pectinodon belongs to Saurornithoididae'
  • 'Pedeticosaurus belongs to Protosuchidae'
  • 'Pedetidae belongs to Pedetoidea'
  • 'Pedetoidea belongs to Sciurognathi'
  • 'Pedionomidae belongs to Charadriiformes'
  • 'Peipehsuchus belongs to Pholidosauridae'
  • 'Peirosaurus belongs to Uruguaysuchidae'
  • 'Peishanemys [misspelled as Peshanemys] belongs to Dermatemydidae'
  • 'Pelagornis belongs to Pelagornithidae'
  • 'Pelagornithidae belongs to Odontopterygia'
  • 'Pelagosaurus belongs to Metriorhynchidae'
  • 'Pelargopappus belongs to Sagittariidae'
  • 'Pelea belongs to Bovidae'
  • 'Pelecani belongs to Pelecaniformes'
  • 'Pelecanidae belongs to Pelecani'
  • 'Pelecaniformes belongs to Neognathae'
  • 'Pelecanoides belongs to Pelecanoididae'
  • 'Pelecanoididae belongs to Procellariiformes'
  • 'Pelecanus belongs to Pelecanidae'
  • 'Pelecomastes belongs to Chelidae'
  • 'Pelecymala belongs to Sphenodontidae'
  • 'Pelecyodon belongs to Megalonychidae'
  • 'Pelobates belongs to Pelobatidae'
  • 'Pelobatidae belongs to Anura'
  • 'Pelocetus belongs to Cetotheriidae'
  • 'Pelodelphis belongs to Delphinidae'
  • 'Pelodosotis belongs to Ostodolepidae'
  • 'Pelodytidae belongs to Anura'
  • 'Pelomedusa belongs to Pelomedusidae'
  • 'Pelomedusidae belongs to Pleurodira'
  • 'Peloneustes belongs to Pliosauridae'
  • 'Pelophilus belongs to Discoglossidae'
  • 'Pelorocephalus belongs to Chigutisauridae'
  • 'Pelorosaurus belongs to Brachiosauridae'
  • 'Pelorovis belongs to Bovidae'
  • 'Peltecoelus belongs to Dasypodidae'
  • 'Peltephilus belongs to Dasypodidae'
  • 'Peltobatrachidae belongs to Rhinesuchoidea'
  • 'Peltobatrachus belongs to Peltobatrachidae'
  • 'Peltosaurus belongs to Anguidae'
  • 'Peltostega belongs to Rhytidosteidae'
  • 'Pelurocoelodon belongs to Isotemnidae'
  • 'Pelycosauria belongs to Synapsida'
  • 'Peneteius belongs to Teiidae'
  • 'Penetrigonias belongs to Rhinocerotidae'
  • 'Pentacemylus belongs to Artiodactyla'
  • 'Pentaceratops belongs to Ceratopsidae'
  • 'Pentalophodon belongs to Gomphotheriidae'
  • 'Peraceras belongs to Rhinocerotidae'
  • 'Peraiocynodon belongs to Docodontidae'
  • 'Peramuridae belongs to Eupantotheria'
  • 'Peratosauroides belongs to Batrachosauroididae'
  • 'Peratotherium belongs to Didelphidae'
  • 'Perchoerus belongs to Tayassuidae'
  • 'Percrocuta belongs to Hyaenidae'
  • 'Perhippidion belongs to Notohippidae'
  • 'Perimia belongs to Bovidae'
  • 'Peripantostylops belongs to Henricosborniidae'
  • 'Periphragnis belongs to Isotemnidae'
  • 'Peripolocetus belongs to Cetotheriidae'
  • 'Periptychidae belongs to Condylarthra'
  • 'Periptychus belongs to Periptychidae'
  • 'Perissodactyla was reranked as a order and belongs to Eutheria'
  • 'Peritresius belongs to Toxochelyidae'
  • 'Perparvus belongs to Kuehneosauridae'
  • 'Perunium belongs to Mustelidae'
  • 'Pessosaurus belongs to Shastasauridae'
  • 'Peteinosaurus belongs to Dimorphodontidae'
  • 'Petrolacosauridae belongs to Araeoscelida'
  • 'Petrolacosaurus belongs to Petrolacosauridae'
  • 'Petrosuchus belongs to Pholidosauridae'
  • 'Peyerus belongs to Pliosauridae'
  • 'Pezophaps belongs to Columbidae'
  • 'Phacochoerus belongs to Suidae'
  • 'Phaedrolosaurus belongs to Dromaeosauridae'
  • 'Phaethontes belongs to Pelecaniformes'
  • 'Phaethontidae belongs to Phaethontes'
  • 'Phalacrocoracidae belongs to Sulae'
  • 'Phalacrocorax belongs to Phalacrocoracidae'
  • 'Phalarodon belongs to Omphalosauridae'
  • 'Phascolodon belongs to Amphilestinae'
  • 'Phascolotherium belongs to Amphilestinae'
  • 'Phasianidae belongs to Galliformes'
  • 'Phelsuma belongs to Gekkonidae'
  • 'Phenacodontidae belongs to Condylarthra'
  • 'Phenacodus belongs to Phenacodontidae'
  • 'Phenacolophidae belongs to Condylarthra'
  • 'Phenacolophus belongs to Phenacolophidae'
  • 'Philander belongs to Didelphidae'
  • 'Philotrox belongs to Canidae'
  • 'Phiomia belongs to Gomphotheriidae'
  • 'Phiomorpha belongs to Hystricognathi'
  • 'Phiomyidae belongs to Thryonomyoidea'
  • 'Phlaocyon belongs to Canidae'
  • 'Phlegethontia belongs to Phlegethontiidae'
  • 'Phlegethontiidae belongs to Aistopoda'
  • 'Phoberocyon belongs to Ursidae'
  • 'Phoberodon belongs to Squalodontidae'
  • 'Phoca belongs to Phocidae'
  • 'Phocaena belongs to Phocaenidae'
  • 'Phocaenina was reranked as the family Phocaenidae and belongs to Odontoceti'
  • 'Phocaenopsis belongs to Phocaenidae'
  • 'Phocageneus belongs to Delphinidae'
  • 'Phocanella belongs to Phocidae'
  • 'Phocidae belongs to Arctoidea'
  • 'Phocosaurus belongs to Tapinocephalidae'
  • 'Phoeniconotius belongs to Phoenicopteridae'
  • 'Phoenicopteridae belongs to Charadriiformes'
  • 'Phoenicopterus belongs to Phoenicopteridae'
  • 'Phoeniculidae belongs to Bucerotiformes'
  • 'Phoenixauchenia belongs to Macraucheniidae'
  • 'Pholiderpeton belongs to Eogyrinidae'
  • 'Pholidocercus belongs to Amphilemuridae'
  • 'Pholidogaster belongs to Colosteidae'
  • 'Pholidosauridae belongs to Mesosuchia'
  • 'Pholidosaurus belongs to Pholidosauridae'
  • 'Phoradiadius belongs to Proterotheriidae'
  • 'Phororhacosidae is corrected as Phorusrhacidae and belongs to Cariamae'
  • 'Phorusrhacos belongs to Phorusrhacidae'
  • 'Phosphatosaurus belongs to Dyrosauridae'
  • 'Phreatophasma belongs to Caseidae'
  • 'Phrynops belongs to Chelidae'
  • 'Phrynosoma belongs to Iguanidae'
  • 'Phthinosaurus belongs to Phthinosuchidae'
  • 'Phthinosuchidae belongs to Eotitanosuchia'
  • 'Phthinosuchus belongs to Phthinosuchidae'
  • 'Phyllodactylus belongs to Gekkonidae'
  • 'Phyllodon belongs to Hypsilophodontidae'
  • 'Phyllostomatidae belongs to Phyllostomatoidea'
  • 'Phyllostomatoidea belongs to Microchiroptera'
  • 'Phyllotillon belongs to Chalicotheriidae'
  • 'Physeter belongs to Physeteridae'
  • 'Physeteridae belongs to Odontoceti'
  • 'Physeterula belongs to Physeteridae'
  • 'Physetodon belongs to Physeteridae'
  • 'Physornis belongs to Phorusrhacidae'
  • 'Phytosauria belongs to Thecodontia'
  • 'Phytosauridae belongs to Phytosauria'
  • 'Piatnitzkysaurus belongs to Allosauridae'
  • 'Piceoerpeton belongs to Scapherpetonidae'
  • 'Picidae belongs to Piciformes'
  • 'Piciformes belongs to Neognathae'
  • 'Picrodontidae belongs to Paromomyoidea'
  • 'Pilgrimella belongs to Anthracobunidae'
  • 'Pilosa belongs to Xenarthra'
  • 'Pinacosaurus belongs to Ankylosauridae'
  • 'Pinaosuchus belongs to Goniophididae'
  • 'Pinguinus belongs to Alcidae'
  • 'Pinnarctidion belongs to Enaliarctidae'
  • 'Pipidae belongs to Anura'
  • 'Piptomerus belongs to Plesiosauria'
  • 'Piratosaurus belongs to Plesiosauria'
  • 'Pisanodon belongs to Toxodontidae'
  • 'Pisanosaurus belongs to Heterodontosauridae'
  • 'Piscolithax belongs to Phocaenidae'
  • 'Piscophoca [misspelled as Pisciphoca] belongs to Phocidae'
  • 'Pithanodelphis belongs to Kentriodontidae'
  • 'Pithanotaria belongs to Otariidae'
  • 'Piveteausaurus belongs to Allosauridae'
  • 'Placentidens belongs to Placentidentinae'
  • 'Placerias belongs to Kannemeyeriidae'
  • 'Placochelys belongs to Cyamodontidae'
  • 'Placodontia belongs to Archosauria'
  • 'Placodontidae belongs to Placodontia'
  • 'Placodus belongs to Placodontidae'
  • 'Placosaurus belongs to Anguidae'
  • 'Plagiarthus belongs to Interatheriidae'
  • 'Plagiobatrachus belongs to Plagiosauridae'
  • 'Plagiocristodon belongs to Mesonychidae'
  • 'Plagioctenodon belongs to Nyctitheriidae'
  • 'Plagioctenoides belongs to Nyctitheriidae'
  • 'Plagiorophus belongs to Plagiosauridae'
  • 'Plagiosauridae belongs to Plagiosauroidea'
  • 'Plagiosauroidea belongs to Temnospondyli'
  • 'Plagiosaurus belongs to Plagiosauridae'
  • 'Plagiosternum belongs to Plagiosauridae'
  • 'Plagiosuchus belongs to Plagiosauridae'
  • 'Planiplastron belongs to Chelydridae'
  • 'Planocephalosaurus belongs to Sphenodontidae'
  • 'Planocrania belongs to Crocodylidae'
  • 'Planops belongs to Megatheriidae'
  • 'Plastomenus belongs to Trionychidae'
  • 'Plataleidae belongs to Charadriiformes'
  • 'Platanistina was reranked as the family Platanistidae and belongs to Odontoceti'
  • 'Platecarpus belongs to Mosasauridae'
  • 'Platemys belongs to Chelidae'
  • 'Plateosaurus belongs to Anchisauridae'
  • 'Platybelodon belongs to Gomphotheriidae'
  • 'Platybos belongs to Bovidae'
  • 'Platycerabos belongs to Bovidae'
  • 'Platychelyidae belongs to Pleurodira'
  • 'Platychelys belongs to Platychelyidae'
  • 'Platycraniellus belongs to Galesauridae'
  • 'Platydyptes belongs to Spheniscidae'
  • 'Platygonus belongs to Tayassuidae'
  • 'Platyhystrix belongs to Dissorophidae'
  • 'Platylithax belongs to Odontoceti'
  • 'Platyognathidae belongs to Protosuchia'
  • 'Platyognathus belongs to Platyognathidae'
  • 'Platyoposaurus belongs to Archegosauridae'
  • 'Platyosphys belongs to Basilosauridae'
  • 'Platyphoca belongs to Phocidae'
  • 'Platypterygius belongs to Leptopterygiidae'
  • 'Platyrrhini belongs to Anthropoidea'
  • 'Platyspondylia belongs to Boidae'
  • 'Platystega belongs to Trematosauridae'
  • 'Platysuchus belongs to Teleosauridae'
  • 'Plaxhaplous belongs to Glyptodontidae'
  • 'Plegadis belongs to Plataleidae'
  • 'Plesiaceratherium belongs to Rhinocerotidae'
  • 'Plesiadapidae belongs to Plesiadapoidea'
  • 'Plesiadapiformes belongs to Primates'
  • 'Plesiadapoidea belongs to Plesiadapiformes'
  • 'Plesiaddax belongs to Bovidae'
  • 'Plesiarctomys belongs to Ischyromyidae'
  • 'Plesictis belongs to Procyonidae'
  • 'Plesiobaena belongs to Baenidae'
  • 'Plesiocathartes belongs to Vulturidae'
  • 'Plesiocetus belongs to Balaenopteridae'
  • 'Plesiochelyidae belongs to Chelonioidea'
  • 'Plesiochelys belongs to Plesiochelyidae'
  • 'Plesiodimylus belongs to Dimylidae'
  • 'Plesiogale belongs to Mustelidae'
  • 'Plesiogulo belongs to Mustelidae'
  • 'Plesiolacerta belongs to Lacertidae'
  • 'Plesiomegatherium belongs to Megatheriidae'
  • 'Plesiomeles belongs to Mustelidae'
  • 'Plesiorhineura belongs to Rhineuridae'
  • 'Plesiorycteropus belongs to Orycteropodidae'
  • 'Plesiosauria belongs to Sauropterygia'
  • 'Plesiosauridae belongs to Plesiosauroidea'
  • 'Plesiosauroidea belongs to Plesiosauria'
  • 'Plesiosaurus belongs to Plesiosauridae'
  • 'Plesiosaurus (Pleiosaurus) was reranked as Pliosaurus and belongs to Pliosauridae'
  • 'Plesiosorex belongs to Plesiosoricidae'
  • 'Plesiotortrix belongs to Boidae'
  • 'Plesiotylosaurus belongs to Mosasauridae'
  • 'Plethodon belongs to Plethodontidae'
  • 'Plethodontidae belongs to Plethodontoidea'
  • 'Plethodontoidea belongs to Urodeles'
  • 'Pleuraspidotherium belongs to Meniscotheriidae'
  • 'Pleuroceros belongs to Rhinocerotidae'
  • 'Pleurocyon (Simidectes) was reranked as Simidectes and belongs to Pantolesta'
  • 'Pleurodeles belongs to Salamandridae'
  • 'Pleurodira belongs to Chelonia'
  • 'Pleurosauridae belongs to Sphenodonta'
  • 'Pleurosaurus belongs to Pleurosauridae'
  • 'Pleurosternidae belongs to Chelonia'
  • 'Pleurosternon belongs to Pleurosternidae'
  • 'Pleurostylodon belongs to Isotemnidae'
  • 'Pliauchenia belongs to Camelidae'
  • 'Pliauchenia (Megatylopus) was reranked as Megatylopus and belongs to Camelidae'
  • 'Pliobatrachus belongs to Palaeobatrachidae'
  • 'Pliocarbo belongs to Phalacrocoracidae'
  • 'Plioceros belongs to Antilocapridae'
  • 'Pliocervus belongs to Cervoidea'
  • 'Pliocyon belongs to Amphicyonidae'
  • 'Pliogale belongs to Mustelidae'
  • 'Pliogonodon belongs to Goniophididae'
  • 'Pliogrus belongs to Gruidae'
  • 'Pliogyps belongs to Vulturidae'
  • 'Pliohippus belongs to Equidae'
  • 'Pliohippus (Astrohippus) was reranked as Astrohippus and belongs to Equidae'
  • 'Pliohyracidae belongs to Hyracoidea'
  • 'Pliohyrax belongs to Pliohyracidae'
  • 'Pliomastodon belongs to Mammutidae'
  • 'Pliometanastes belongs to Megalonychidae'
  • 'Plionarctos belongs to Ursidae'
  • 'Plionictis belongs to Mustelidae'
  • 'Pliopedia belongs to Odobaenidae'
  • 'Pliopicus belongs to Picidae'
  • 'Pliopithecidae belongs to Hominoidea'
  • 'Plioplatecarpus belongs to Mosasauridae'
  • 'Pliopontos belongs to Pontoporiidae'
  • 'Pliosauridae belongs to Pliosauroidea'
  • 'Pliosauroidea belongs to Plesiosauria'
  • 'Pliotaxidea belongs to Mustelidae'
  • 'Pliotragus belongs to Bovidae'
  • 'Plioviverrops belongs to Hyaenidae'
  • 'Plithocyon belongs to Ursidae'
  • 'Plotopteridae belongs to Sulae'
  • 'Plotopterum belongs to Plotopteridae'
  • 'Plotornis belongs to Diomedeidae'
  • 'Plotosaurus belongs to Mosasauridae'
  • 'Pneumatoarthrus belongs to Protostegidae'
  • 'Pneumatostega belongs to Rhytidosteidae'
  • 'Poabromylus belongs to Protoceratidae'
  • 'Podargidae belongs to Caprimulgiformes'
  • 'Podiceps belongs to Podicipedidae'
  • 'Podicipedidae belongs to Podicipediformes'
  • 'Podicipediformes belongs to Neognathae'
  • 'Podocnemis belongs to Pelomedusidae'
  • 'Podokesauridae belongs to Theropoda'
  • 'Podokesaurus belongs to Podokesauridae'
  • 'Poebrodon belongs to Camelidae'
  • 'Poebrotherium belongs to Camelidae'
  • 'Poekilopleuron belongs to Megalosaurinidae'
  • 'Polyacrodon belongs to Proterotheriidae'
  • 'Polyborus belongs to Falconidae'
  • 'Polydectes belongs to Goniophididae'
  • 'Polyglyphanodon belongs to Teiidae'
  • 'Polymorphis belongs to Proterotheriidae'
  • 'Polyptchodon belongs to Pliosauridae'
  • 'Polysphenodon belongs to Sphenodontidae'
  • 'Polysternon belongs to Pelomedusidae'
  • 'Pomatodelphis is corrected as Potamodelphis and belongs to Acrodelphidae'
  • 'Pongidae belongs to Hominoidea'
  • 'Pontifactor belongs to Nyctitheriidae'
  • 'Pontistes belongs to Pontoporiidae'
  • 'Pontistes belongs to Platanistidae'
  • 'Pontivaga belongs to Platanistidae'
  • 'Pontogeneus belongs to Basilosauridae'
  • 'Pontolis belongs to Odobaenidae'
  • 'Pontoporiidae belongs to Odontoceti'
  • 'Pontosaurus belongs to Dolichosauridae'
  • 'Poposauridae belongs to Rauisuchia'
  • 'Poposaurus belongs to Poposauridae'
  • 'Portlandemys belongs to Plesiochelyidae'
  • 'Postosuchus belongs to Poposauridae'
  • 'Postpalerinaceus belongs to Erinaceidae'
  • 'Postschizotherium belongs to Pliohyracidae'
  • 'Potamochelys belongs to Pelomedusidae'
  • 'Potamochoeroides belongs to Suidae'
  • 'Potamochoerus belongs to Suidae'
  • 'Potamosiren belongs to Manatidae'
  • 'Potamotherium belongs to Mustelidae'
  • 'Praekogia belongs to Physeteridae'
  • 'Praemancalla belongs to Alcidae'
  • 'Praemegaceros belongs to Cervidae'
  • 'Praeovibos belongs to Bovidae'
  • 'Praolestes belongs to Anagalida'
  • 'Pratifelis belongs to Felidae'
  • 'Pravoslavleria belongs to Gorgonopsidae'
  • 'Prenocephale belongs to Pachycephalosauridae'
  • 'Prepotherium belongs to Megatheriidae'
  • 'Presbyornis belongs to Presbyornithidae'
  • 'Presbyornithidae belongs to Anseriformes'
  • 'Presictis belongs to Mustelidae'
  • 'Prestosuchus belongs to Rauisuchidae'
  • 'Priacodon belongs to Triconodontidae'
  • 'Primapus belongs to Aegialornithidae'
  • 'Primates belongs to Eutheria'
  • 'Primelephas belongs to Elephantidae'
  • 'Primobucco belongs to Primobucconidae'
  • 'Primobucconidae belongs to Coracii'
  • 'Priodontognathus belongs to Nodosauridae'
  • 'Prioinia is corrected as Proinia and belongs to Platanistidae'
  • 'Prionochelys belongs to Toxochelyidae'
  • 'Prionosuchus belongs to Archegosauridae'
  • 'Priscocamelus belongs to Camelidae'
  • 'Priscophyseter belongs to Physeteridae'
  • 'Pristerodon belongs to Pristerodontidae'
  • 'Pristerodontia belongs to Dicynodontia'
  • 'Pristerodontidae belongs to Pristerodontia'
  • 'Pristerognathidae belongs to Therocephalia'
  • 'Pristerognathus belongs to Pristerognathidae'
  • 'Pristichampsus belongs to Crocodylidae'
  • 'Proaceratherium belongs to Rhinocerotidae'
  • 'Proacris belongs to Hylidae'
  • 'Proaigialosaurus belongs to Aigialosauridae'
  • 'Proailurus belongs to Felidae'
  • 'Proamblysomus belongs to Chrysochloridae'
  • 'Proamphibos belongs to Bovidae'
  • 'Proamphiuma belongs to Amphiumidae'
  • 'Proantilocapra belongs to Antilocapridae'
  • 'Proanura belongs to Lepospondyli'
  • 'Proardea belongs to Ardeidae'
  • 'Probactrosaurus belongs to Iguanodontidae'
  • 'Probainognathus belongs to Chiniquodontidae'
  • 'Probelesodon belongs to Chiniquodontidae'
  • 'Proboscidea belongs to Eutheria'
  • 'Probrachyodus belongs to Anthracotheriidae'
  • 'Proburnetia belongs to Burnetiidae'
  • 'Procadurcodon belongs to Amynodontidae'
  • 'Procaimanoidea belongs to Alligatoridae'
  • 'Procamelus belongs to Camelidae'
  • 'Procamptoceros is corrected as Procamptoceras and belongs to Bovidae'
  • 'Procapra belongs to Bovidae'
  • 'Procapreolus belongs to Cervidae'
  • 'Procavia belongs to Procaviidae'
  • 'Procaviidae belongs to Hyracoidea'
  • 'Procellaria belongs to Procellariidae'
  • 'Procellariidae belongs to Procellariiformes'
  • 'Procellariiformes belongs to Neognathae'
  • 'Proceratosaurus belongs to Ceratosauridae'
  • 'Procerosuchus belongs to Rauisuchidae'
  • 'Procervulus belongs to Palaeomerycidae'
  • 'Prochrysochloris belongs to Chrysochloridae'
  • 'Procobus belongs to Bovidae'
  • 'Procolophon belongs to Procolophonidae'
  • 'Procolophonia belongs to Captorhinida'
  • 'Procolophonidae belongs to Procolophonoidea'
  • 'Procolophonoidea belongs to Procolophonia'
  • 'Procolophonoides belongs to Procolophonidae'
  • 'Procolpochelys belongs to Cheloniidae'
  • 'Procompsognathus belongs to Podokesauridae'
  • 'Procrax belongs to Cracidae'
  • 'Procynops belongs to Salamandridae'
  • 'Procynosuchia belongs to Cynodontia'
  • 'Procynosuchidae belongs to Procynosuchia'
  • 'Procynosuchus belongs to Procynosuchidae'
  • 'Procyon belongs to Procyonidae'
  • 'Procyonidae belongs to Arctoidea'
  • 'Prodamaliscus belongs to Bovidae'
  • 'Prodeinotherium belongs to Deinotheriidae'
  • 'Prodesmodon belongs to Batrachosauroididae'
  • 'Prodicynodon belongs to Dicynodontia'
  • 'Prodiplocynodon belongs to Alligatoridae'
  • 'Prodiscoglossus belongs to Discoglossidae'
  • 'Prodremotherium belongs to Leptomerycidae'
  • 'Proectocion belongs to Didolodontidae'
  • 'Proedium belongs to Mesotheriidae'
  • 'Proetus belongs to Dasypodidae'
  • 'Proeuphractus belongs to Dasypodidae'
  • 'Proganochelydia belongs to Chelonia'
  • 'Proganochelyidae belongs to Proganochelydia'
  • 'Proganochelys belongs to Proganochelyidae'
  • 'Progenetta belongs to Viverridae'
  • 'Progiraffa belongs to Giraffidae'
  • 'Prognathodon belongs to Mosasauridae'
  • 'Progura belongs to Megapodidae'
  • 'Prohegetotherium belongs to Hegetotheriidae'
  • 'Proheptoconus belongs to Adianthidae'
  • 'Prohyracodon belongs to Hyracodontidae'
  • 'Prohyrax belongs to Procaviidae'
  • 'Prolacerta belongs to Prolacertidae'
  • 'Prolacertidae belongs to Protorosauria'
  • 'Prolacertoides belongs to Prolacertidae'
  • 'Proleptobos belongs to Bovidae'
  • 'Prolibytherium belongs to Giraffidae'
  • 'Prolicaphrium belongs to Proterotheriidae'
  • 'Prolipotes belongs to Pontoporiidae'
  • 'Promacrauchenia belongs to Macraucheniidae'
  • 'Promartes belongs to Mustelidae'
  • 'Promastodonsaurus belongs to Capitosauridae'
  • 'Promegatherium belongs to Megatheriidae'
  • 'Promeles belongs to Mustelidae'
  • 'Promellivora belongs to Mustelidae'
  • 'Promephitis belongs to Mustelidae'
  • 'Promesochoerus belongs to Suidae'
  • 'Prominatherium belongs to Anthracotheriidae'
  • 'Promusophaga belongs to Lithornidae'
  • 'Proneusticosaurus belongs to Nothosauridae'
  • 'Pronodens belongs to Leptomerycidae'
  • 'Pronothrotherium belongs to Megatheriidae'
  • 'Propachyrucos belongs to Hegetotheriidae'
  • 'Propalaeanodon belongs to Metacheiromyidae'
  • 'Propalaehoplophorus [misspelled as Propalaeohoplophorus] belongs to Glyptodontidae'
  • 'Propalaeochoerus belongs to Suidae'
  • 'Propalaeomeryx belongs to Giraffidae'
  • 'Propelargus belongs to Idiornithidae'
  • 'Prophaethon belongs to Prophaethontidae'
  • 'Prophaethontidae belongs to Phaethontes'
  • 'Prophoca belongs to Phocidae'
  • 'Prophyseter belongs to Physeteridae'
  • 'Proplatyarthrus belongs to Megalonychidae'
  • 'Proplatynotia belongs to Diploglossa'
  • 'Propontosmilus belongs to Felidae'
  • 'Propotamochoerus belongs to Suidae'
  • 'Propotto belongs to Pteropodidae'
  • 'Propraopus belongs to Dasypodidae'
  • 'Proputorius belongs to Mustelidae'
  • 'Propyrotherium belongs to Pyrotheriidae'
  • 'Prorastomidae belongs to Sirenia'
  • 'Prorastomus belongs to Prorastomidae'
  • 'Prorosmarus belongs to Odobaenidae'
  • 'Prorubidgea belongs to Gorgonopsidae'
  • 'Prosansanosmilus belongs to Felidae'
  • 'Prosantorhinus belongs to Rhinocerotidae'
  • 'Prosarcodon belongs to Micropternodontidae'
  • 'Prosaurolophus belongs to Hadrosauridae'
  • 'Prosauropoda belongs to Sauropodomorpha'
  • 'Proscalopidae belongs to Soricomorpha'
  • 'Proscalops belongs to Proscalopidae'
  • 'Proscapanus belongs to Talpidae'
  • 'Proscelidodon belongs to Mylodontidae'
  • 'Proschismotherium belongs to Megatheriidae'
  • 'Prosimii belongs to Primates'
  • 'Prosinotragus belongs to Bovidae'
  • 'Prosiren belongs to Prosirenidae'
  • 'Prosirenidae belongs to Prosirenoidea'
  • 'Prosirenoidea belongs to Urodeles'
  • 'Prosotherium belongs to Hegetotheriidae'
  • 'Prosqualodon belongs to Squalodontidae'
  • 'Prostegotherium belongs to Dasypodidae'
  • 'Prosthecion belongs to Meniscotheriidae'
  • 'Prosthennops belongs to Tayassuidae'
  • 'Prostrepsiceros belongs to Bovidae'
  • 'Prosybris belongs to Tytonidae'
  • 'Prosynthetoceras belongs to Protoceratidae'
  • 'Protacmon is a subjective synonym of Diademodon'
  • 'Protamandua belongs to Myrmecophagidae'
  • 'Protanancus belongs to Gomphotheriidae'
  • 'Protapirus belongs to Tapiridae'
  • 'Protarctos belongs to Mustelidae'
  • 'Protechinus belongs to Erinaceidae'
  • 'Proteidae belongs to Proteoidea'
  • 'Protembolotherium belongs to Brontotheridae'
  • 'Protemnocyon belongs to Amphicyonidae'
  • 'Protenrec belongs to Tenrecidae'
  • 'Proteoidea belongs to Urodeles'
  • 'Proterochampsa belongs to Proterochampsidae'
  • 'Proterochampsidae belongs to Proterosuchia'
  • 'Proterochersidae belongs to Proganochelydia'
  • 'Proterochersis belongs to Proterochersidae'
  • 'Proterogyrinidae belongs to Embolomeri'
  • 'Proterogyrinus belongs to Proterogyrinidae'
  • 'Proterosuchia belongs to Thecodontia'
  • 'Proterosuchidae belongs to Proterosuchia'
  • 'Proterotheriidae belongs to Litopterna'
  • 'Proterotherium belongs to Proterotheriidae'
  • 'Proteus belongs to Proteidae'
  • 'Protheosodon belongs to Didolodontidae'
  • 'Prothoatherium belongs to Proterotheriidae'
  • 'Proticia belongs to Colombitheriidae'
  • 'Protictitherium belongs to Hyaenidae'
  • 'Protitan belongs to Brontotheridae'
  • 'Protitanops belongs to Brontotheridae'
  • 'Protitanotherium belongs to Brontotheridae'
  • 'Protoaceratherium belongs to Rhinocerotidae'
  • 'Protobalaena belongs to Balaenidae'
  • 'Protobatrachidae belongs to Proanura'
  • 'Protocaptorhinus belongs to Captorhinidae'
  • 'Protoceras belongs to Protoceratidae'
  • 'Protoceratidae belongs to Tylopoda'
  • 'Protoceratops belongs to Protoceratopsidae'
  • 'Protoceratopsidae belongs to Ceratopsia'
  • 'Protocetidae belongs to Archaeoceti'
  • 'Protocetus belongs to Protocetidae'
  • 'Protochelydra belongs to Chelydridae'
  • 'Protochelys belongs to Toxochelyidae'
  • 'Protoclepsydrops belongs to Ophiacodontidae'
  • 'Protocyon belongs to Canidae'
  • 'Protodelphinus belongs to Delphinidae'
  • 'Protodichobune belongs to Dichobunidae'
  • 'Protodidelphis belongs to Didelphidae'
  • 'Protohippus (Calippus) was reranked as Calippus and belongs to Equidae'
  • 'Protoichthyosauridae belongs to Ichthyopterygia'
  • 'Protoichthyosaurus belongs to Protoichthyosauridae'
  • 'Protolabis belongs to Camelidae'
  • 'Protolipterna belongs to Protolipternidae'
  • 'Protolipternidae belongs to Litopterna'
  • 'Protopelicanus belongs to Pelecanidae'
  • 'Protophocaena belongs to Phocaenidae'
  • 'Protoplotus belongs to Anhingidae'
  • 'Protoreodon belongs to Agriochoeridae'
  • 'Protornis belongs to Momotidae'
  • 'Protorosauria belongs to Archosauromorpha'
  • 'Protorosauridae belongs to Protorosauria'
  • 'Protorosaurus belongs to Protorosauridae'
  • 'Protorothyrididae belongs to Captorhinomorpha'
  • 'Protorothyris belongs to Protorothyrididae'
  • 'Protoryx belongs to Bovidae'
  • 'Protosiren belongs to Protosirenidae'
  • 'Protosirenidae belongs to Sirenia'
  • 'Protosphargis belongs to Dermochelyidae'
  • 'Protostega belongs to Protostegidae'
  • 'Protostegidae belongs to Chelonioidea'
  • 'Protostrigidae belongs to Strigiformes'
  • 'Protosuchia belongs to Crocodylia'
  • 'Protosuchidae belongs to Protosuchia'
  • 'Protosuchus belongs to Protosuchidae'
  • 'Prototheria belongs to Mammalia'
  • 'Prototocyon belongs to Canidae'
  • 'Protoziphius belongs to Ziphiidae'
  • 'Protragelaphus belongs to Bovidae'
  • 'Protragocerus belongs to Bovidae'
  • 'Protrogomorpha belongs to Sciurognathi'
  • 'Protropidonotus belongs to Colubridae'
  • 'Protylopus belongs to Oromerycidae'
  • 'Protypotherium belongs to Interatheriidae'
  • 'Provaranosaurus belongs to Necrosauridae'
  • 'Proxestops belongs to Anguidae'
  • 'Prozaedius belongs to Dasypodidae'
  • 'Prozeuglodon belongs to Basilosauridae'
  • 'Psephoderma belongs to Cyamodontidae'
  • 'Psephophorus belongs to Dermochelyidae'
  • 'Psephosaurus belongs to Cyamodontidae'
  • 'Pseudacris belongs to Hylidae'
  • 'Pseudaelurus belongs to Felidae'
  • 'Pseudamphicyon belongs to Amphicyonidae'
  • 'Pseudamphimeryx belongs to Amphimerycidae'
  • 'Pseudanisonchus belongs to Periptychidae'
  • 'Pseudanosteira [misspelled as Pseudoanosteira] belongs to Carettochelyidae'
  • 'Pseudaptenodytes belongs to Spheniscidae'
  • 'Pseudarctos belongs to Amphicyonidae'
  • 'Pseudaxis belongs to Cervidae'
  • 'Pseudeumeces belongs to Lacertidae'
  • 'Pseudeutatus belongs to Dasypodidae'
  • 'Pseudhapalops belongs to Megatheriidae'
  • 'Pseudhesperosuchus [misspelled as Pseudohesperosuchus] belongs to Sphenosuchidae'
  • 'Pseudhipparion belongs to Equidae'
  • 'Pseudhipposaurus belongs to Hipposauridae'
  • 'Pseudhyrax belongs to Archaeohyracidae'
  • 'Pseudictopidae belongs to Anagalida'
  • 'Pseudobos belongs to Bovidae'
  • 'Pseudobranchus belongs to Sirenidae'
  • 'Pseudocemophora belongs to Colubridae'
  • 'Pseudoceras belongs to Gelocidae'
  • 'Pseudocivetta belongs to Viverridae'
  • 'Pseudocordylodon belongs to Dimylidae'
  • 'Pseudocyon belongs to Amphicyonidae'
  • 'Pseudocyonopsis belongs to Amphicyonidae'
  • 'Pseudodontornis belongs to Pelagornithidae'
  • 'Pseudoepicrates [misspelled as Pseudopicrates] belongs to Boidae'
  • 'Pseudohegetotherium belongs to Hegetotheriidae'
  • 'Pseudolabis belongs to Camelidae'
  • 'Pseudolacerta belongs to Cordylidae'
  • 'Pseudomeryx belongs to Leptomerycidae'
  • 'Pseudoparablastomeryx belongs to Leptomerycidae'
  • 'Pseudoprepotherium belongs to Mylodontidae'
  • 'Pseudoprotoceras belongs to Protoceratidae'
  • 'Pseudorhineura belongs to Rhineuridae'
  • 'Pseudorhyncocyon belongs to Pseudorhyncocyonidae'
  • 'Pseudorhyncocyonidae belongs to Leptictida'
  • 'Pseudosaurillus belongs to Paramacellodidae'
  • 'Pseudostegotherium belongs to Dasypodidae'
  • 'Pseudotragus belongs to Bovidae'
  • 'Pseudotriconodon belongs to Chiniquodontidae'
  • 'Pseudotriton belongs to Plethodontidae'
  • 'Pseudotypotherium belongs to Mesotheriidae'
  • 'Psilopterus belongs to Phorusrhacidae'
  • 'Psilotrachelosaurus belongs to Pachypleuridae'
  • 'Psittacidae belongs to Psittaciformes'
  • 'Psittaciformes belongs to Neognathae'
  • 'Psittacosauridae belongs to Ceratopsia'
  • 'Psittacosaurus belongs to Psittacosauridae'
  • 'Psittacus belongs to Psittacidae'
  • 'Psophiidae belongs to Grues'
  • 'Pteranodon belongs to Ornithocheiridae'
  • 'Pterocles belongs to Pteroclidae'
  • 'Pteroclidae belongs to Columbiformes'
  • 'Pterodactylidae belongs to Pterodactyloidea'
  • 'Pterodactyloidea belongs to Pterosauria'
  • 'Pterodactylus belongs to Pterodactylidae'
  • 'Pterodaustridae belongs to Pterodactyloidea'
  • 'Pterodaustro belongs to Pterodaustridae'
  • 'Pterodroma belongs to Procellariidae'
  • 'Pteroplax belongs to Eogyrinidae'
  • 'Pteropodidae belongs to Megachiroptera'
  • 'Pterosauria belongs to Archosauria'
  • 'Pterosphenus belongs to Palaeophidae'
  • 'Pterygoboa belongs to Boidae'
  • 'Ptychadena belongs to Ranidae'
  • 'Ptychogaster belongs to Emydidae'
  • 'Ptychoramphus belongs to Alcidae'
  • 'Ptyonius belongs to Urocordylidae'
  • 'Puercosaurus [misspelled as Peurcosaurus] belongs to Captorhinidae'
  • 'Puffinus belongs to Procellariidae'
  • 'Pultiphagonides belongs to Bovidae'
  • 'Puntanipterus belongs to Dsungaripteridae'
  • 'Puppigerus belongs to Cheloniidae'
  • 'Putterillia belongs to Lydekkerinidae'
  • 'Pygoscelis belongs to Spheniscidae'
  • 'Pyramiodontherium belongs to Megatheriidae'
  • 'Pyrotheria belongs to Eutheria'
  • 'Pyrotheriidae belongs to Pyrotheria'
  • 'Pyrotherium belongs to Pyrotheriidae'
  • 'Python belongs to Boidae'
  • 'Qianshanosaurus belongs to Lacertilia'
  • 'Quadrodens belongs to Talpidae'
  • 'Quaesitosaurus belongs to Diplodocidae'
  • 'Querandiornis belongs to Tinamidae'
  • 'Quercygale belongs to Viverravidae'
  • 'Quercylurus belongs to Felidae'
  • 'Quercyrallus belongs to Rallidae'
  • 'Quetzalcoatlus belongs to Ornithocheiridae'
  • 'Quinkana belongs to Crocodylidae'
  • 'Quipollornis belongs to Aegothelidae'
  • 'Qurliqnoria belongs to Bovidae'
  • 'Rabaticeras belongs to Bovidae'
  • 'Rabdodon is corrected as Rhabdodon and belongs to Iguanodontidae'
  • 'Rabidosaurus belongs to Kannemeyeriidae'
  • 'Rakomylus belongs to Camelidae'
  • 'Ralli belongs to Gruiformes'
  • 'Rallicrex belongs to Rallidae'
  • 'Rallidae belongs to Ralli'
  • 'Rallus belongs to Rallidae'
  • 'Ramoceros belongs to Antilocapridae'
  • 'Ramonellus belongs to Prosirenidae'
  • 'Rana belongs to Ranidae'
  • 'Rangifer belongs to Cervidae'
  • 'Ranidae belongs to Anura'
  • 'Raoella belongs to Helohyidae'
  • 'Rapator belongs to Theropoda'
  • 'Raphenacodus belongs to Artiodactyla'
  • 'Raphicerus belongs to Bovidae'
  • 'Raphus belongs to Columbidae'
  • 'Rauisuchia belongs to Thecodontia'
  • 'Rauisuchidae belongs to Rauisuchia'
  • 'Rauisuchus belongs to Rauisuchidae'
  • 'Raulringueletia belongs to Hegetotheriidae'
  • 'Rebbachisaurus belongs to Brachiosauridae'
  • 'Rechnisaurus belongs to Kannemeyeriidae'
  • 'Recurvirostra belongs to Recurvirostridae'
  • 'Recurvirostridae belongs to Charadriiformes'
  • 'Redunca belongs to Bovidae'
  • 'Regina belongs to Colubridae'
  • 'Regisaurus belongs to Ictidosuchidae'
  • 'Remiculus belongs to Mixodectidae'
  • 'Remiornis belongs to Diatrymidae'
  • 'Restes belongs to Xenosauridae'
  • 'Rewana belongs to Indobrachyopidae'
  • 'Rhabdognathus belongs to Dyrosauridae'
  • 'Rhabdopelix belongs to Kuehneosauridae'
  • 'Rhabdosteidae belongs to Odontoceti'
  • 'Rhabdosteus belongs to Platanistidae'
  • 'Rhachianectes is a subjective synonym of Eschrichtius'
  • 'Rhachiocephalus belongs to Oudenodontidae'
  • 'Rhacophoridae belongs to Anura'
  • 'Rhacophorus belongs to Rhacophoridae'
  • 'Rhadinorhinus belongs to Brontotheridae'
  • 'Rhadiodromus belongs to Kannemeyeriidae'
  • 'Rhaeticonia belongs to Nothosauridae'
  • 'Rhagatherium belongs to Haplobunodontidae'
  • 'Rhamphorhynchidae belongs to Rhamphorhynchoidea'
  • 'Rhamphorhynchoidea belongs to Pterosauria'
  • 'Rhamphorhynchus belongs to Rhamphorhynchidae'
  • 'Rhamphosuchus belongs to Gavialidae'
  • 'Rhegminornis belongs to Phasianidae'
  • 'Rhegnopsis belongs to Cetotheriidae'
  • 'Rheidae belongs to Rheiformes'
  • 'Rheiformes belongs to Palaeognathae'
  • 'Rhinatrematidae belongs to Gymnophiona'
  • 'Rhineceps belongs to Rhinesuchidae'
  • 'Rhinesuchidae belongs to Rhinesuchoidea'
  • 'Rhinesuchoidea belongs to Temnospondyli'
  • 'Rhinesuchoides belongs to Rhinesuchidae'
  • 'Rhinesuchus belongs to Rhinesuchidae'
  • 'Rhineura belongs to Rhineuridae'
  • 'Rhineuridae belongs to Annulata'
  • 'Rhinocerocephalus belongs to Kannemeyeriidae'
  • 'Rhinocerolophiodon belongs to Lophiodontidae'
  • 'Rhinoceros belongs to Rhinocerotidae'
  • 'Rhinocerotidae belongs to Rhinocerotoidea'
  • 'Rhinocerotoidea belongs to Ceratomorpha'
  • 'Rhinochelys belongs to Protostegidae'
  • 'Rhinochelys belongs to Cheloniidae'
  • 'Rhinodicynodon belongs to Kannemeyeriidae'
  • 'Rhinolophidae belongs to Rhinolophoidea'
  • 'Rhinolophoidea belongs to Microchiroptera'
  • 'Rhinophrynidae belongs to Anura'
  • 'Rhinophrynus belongs to Rhinophrynidae'
  • 'Rhinosauriscus belongs to Seymouriidae'
  • 'Rhinotitan belongs to Brontotheridae'
  • 'Rhiodenticulatus belongs to Captorhinidae'
  • 'Rhipaeosauridae belongs to Pareiasauroidea'
  • 'Rhipaeosaurus belongs to Rhipaeosauridae'
  • 'Rhizomyidae belongs to Spalacoidea'
  • 'Rhodanogekko belongs to Gekkonidae'
  • 'Rhodopagus belongs to Hyracodontidae'
  • 'Rhoetosaurus belongs to Cetiosauridae'
  • 'Rhomaleosaurus belongs to Pliosauridae'
  • 'Rhombomylus belongs to Eurymylidae'
  • 'Rhopalodon belongs to Estemmenosuchidae'
  • 'Rhynchaeites belongs to Plataleidae'
  • 'Rhynchippus belongs to Notohippidae'
  • 'Rhynchonkos belongs to Goniorhynchidae'
  • 'Rhynchosauria belongs to Archosauromorpha'
  • 'Rhynchosauridae belongs to Rhynchosauria'
  • 'Rhynchosaurus belongs to Rhynchosauridae'
  • 'Rhynchotherium belongs to Gomphotheriidae'
  • 'Rhynchotragus belongs to Bovidae'
  • 'Rhynochetidae belongs to Grues'
  • 'Rhynotragus belongs to Bovidae'
  • 'Rhyphodon belongs to Isotemnidae'
  • 'Rhytidosteidae belongs to Rhytidosteoidea'
  • 'Rhytidosteoidea belongs to Temnospondyli'
  • 'Rhytidosteus belongs to Rhytidosteidae'
  • 'Riacama belongs to Cariamidae'
  • 'Ribodon belongs to Manatidae'
  • 'Ricnodon belongs to Hapsidopareiontidae'
  • 'Riebeeckosaurus belongs to Tapinocephalidae'
  • 'Ringueletia belongs to Dasypodidae'
  • 'Riojasaurus belongs to Melanorosauridae'
  • 'Riojasuchus belongs to Ornithosuchidae'
  • 'Robertia belongs to Robertiidae'
  • 'Robertiidae belongs to Diictodontia'
  • 'Rodentia belongs to Eutheria'
  • 'Romainvillia belongs to Anseres'
  • 'Romeria belongs to Captorhinidae'
  • 'Romeriscus belongs to Limnoscelidae'
  • 'Ronzotherium belongs to Rhinocerotidae'
  • 'Rosasia belongs to Pelomedusidae'
  • 'Rostratulidae belongs to Charadriiformes'
  • 'Rothianiscus belongs to Captorhinidae'
  • 'Roxochelys belongs to Pelomedusidae'
  • 'Rubidgea belongs to Gorgonopsidae'
  • 'Rubidgina belongs to Ictidorhinidae'
  • 'Ruminantia belongs to Artiodactyla'
  • 'Rupicapra belongs to Bovidae'
  • 'Rusconiodon belongs to Traversodontidae'
  • 'Russellopheidae belongs to Colubroidea'
  • 'Russellophis belongs to Russellopheidae'
  • 'Ruticeros belongs to Bovidae'
  • 'Rutiodon belongs to Phytosauridae'
  • 'Rutitherium belongs to Leptomerycidae'
  • 'Rytiodus belongs to Dugongidae'
  • 'Sabadellictis belongs to Mustelidae'
  • 'Sachalinocetus belongs to Squalodontidae'
  • 'Saghatherium belongs to Procaviidae'
  • 'Sagittariidae belongs to Falconiformes'
  • 'Saichania belongs to Ankylosauridae'
  • 'Saiga belongs to Bovidae'
  • 'Sakya belongs to Emydidae'
  • 'Salamandra belongs to Salamandridae'
  • 'Salamandridae belongs to Salamandroidea'
  • 'Salamandrina belongs to Salamandridae'
  • 'Salamandroidea belongs to Urodeles'
  • 'Saltasaurus belongs to Titanosauridae'
  • 'Saltenia belongs to Pipidae'
  • 'Saltoposuchidae belongs to Sphenosuchia'
  • 'Saltoposuchus belongs to Saltoposuchidae'
  • 'Saltopus belongs to Podokesauridae'
  • 'Salumiphocaena is corrected as Salumniphocaena and belongs to Phocaenidae'
  • 'Salvadora belongs to Colubridae'
  • 'Samokeros belongs to Bovidae'
  • 'Samotherium belongs to Giraffidae'
  • 'Sangusaurus belongs to Kannemeyeriidae'
  • 'Sanitherium belongs to Suidae'
  • 'Saniwa belongs to Varanidae'
  • 'Saniwides belongs to Varanidae'
  • 'Sansanosmilus belongs to Felidae'
  • 'Santaisaurus belongs to Procolophonidae'
  • 'Santanadactylus belongs to Ornithocheiridae'
  • 'Sapheosaurus belongs to Sphenodontidae'
  • 'Sarcocyon belongs to Amphicyonidae'
  • 'Sarcodon belongs to Micropternodontidae'
  • 'Sarcolestes belongs to Nodosauridae'
  • 'Sarcoramphus belongs to Vulturidae'
  • 'Sarcosuchus belongs to Pholidosauridae'
  • 'Sarmatodelphis belongs to Kentriodontidae'
  • 'Sarmatosula belongs to Sulidae'
  • 'Sassenisaurus belongs to Capitosauridae'
  • 'Sastrilophus belongs to Isectolophidae'
  • 'Satherium belongs to Mustelidae'
  • 'Saturninia belongs to Plesiosoricidae'
  • 'Sauravus belongs to Scincosauridae'
  • 'Saurerpeton belongs to Saurerpetontidae'
  • 'Saurerpetontidae belongs to Trimerorhachoidea'
  • 'Saurillodon belongs to Paramacellodidae'
  • 'Saurillus belongs to Paramacellodidae'
  • 'Saurischia belongs to Archosauria'
  • 'Saurischiocomes belongs to Proterochersidae'
  • 'Sauriscus belongs to Scincidae'
  • 'Saurocetus belongs to Squalodontidae'
  • 'Sauroctonus belongs to Gorgonopsidae'
  • 'Saurodelphis belongs to Platanistidae'
  • 'Saurolophus belongs to Hadrosauridae'
  • 'Sauromalus belongs to Iguanidae'
  • 'Sauropelta belongs to Nodosauridae'
  • 'Sauropleura belongs to Urocordylidae'
  • 'Sauroplites belongs to Ankylosauridae'
  • 'Sauropoda belongs to Dinosauria' according to O. C. Marsh 1882
  • 'Sauropodomorpha belongs to Saurischia'
  • 'Sauropterygia was reranked as a superorder and belongs to Lepidosauromorpha'
  • 'Saurornithoides belongs to Saurornithoididae'
  • 'Saurornithoididae belongs to Theropoda'
  • 'Saurornitholestes belongs to Dromaeosauridae'
  • 'Saurosphargis belongs to Cyamodontidae'
  • 'Saurosternon belongs to Paliguanidae'
  • 'Saurosuchus belongs to Rauisuchidae'
  • 'Saxonerpeton belongs to Hapsidopareiontidae'
  • 'Sazavis belongs to Enantiornithidae'
  • 'Scaglia belongs to Astrapotheriidae'
  • 'Scaldicetus belongs to Physeteridae'
  • 'Scalenodon belongs to Traversodontidae'
  • 'Scalenodontoides belongs to Traversodontidae'
  • 'Scalopoides belongs to Talpidae'
  • 'Scalopolacerta belongs to Scaloposauridae'
  • 'Scaloposauridae belongs to Therocephalia'
  • 'Scaloposaurus belongs to Scaloposauridae'
  • 'Scalopus belongs to Talpidae'
  • 'Scandentia belongs to Eutheria'
  • 'Scapanus belongs to Talpidae'
  • 'Scapherpeton belongs to Scapherpetonidae'
  • 'Scapherpetonidae is corrected as Scapherpetontidae and belongs to Ambystomatoidea'
  • 'Scaphiopus belongs to Pelobatidae'
  • 'Scaphognathus belongs to Rhamphorhynchidae'
  • 'Scaphonyx belongs to Rhynchosauridae'
  • 'Scaptochirus belongs to Talpidae'
  • 'Scaptogale belongs to Talpidae'
  • 'Scaptonyx belongs to Talpidae'
  • 'Scarrittia belongs to Leontiniidae'
  • 'Scelidodon belongs to Mylodontidae'
  • 'Scelidosauridae belongs to Stegosauria'
  • 'Scelidosaurus belongs to Scelidosauridae'
  • 'Scelidotherium belongs to Mylodontidae'
  • 'Sceloporus belongs to Iguanidae'
  • 'Scharschengia belongs to Sphenodontidae'
  • 'Schismotherium belongs to Megatheriidae'
  • 'Schizochoerus belongs to Suidae'
  • 'Schizodelphis belongs to Acrodelphidae'
  • 'Schizotherium belongs to Chalicotheriidae'
  • 'Schlosseria belongs to Lophialetidae'
  • 'Schoenfelderpeton belongs to Branchiosauridae'
  • 'Scincidae belongs to Leptoglossa'
  • 'Scincosauridae belongs to Nectridea'
  • 'Scincosaurus belongs to Scincosauridae'
  • 'Sciuravidae belongs to Protrogomorpha'
  • 'Sciuridae belongs to Sciuroidea'
  • 'Sciurognathi belongs to Rodentia'
  • 'Sciuroidea belongs to Sciuromorpha'
  • 'Sciuromorpha belongs to Sciurognathi'
  • 'Sclerocalyptus belongs to Glyptodontidae'
  • 'Sclerocephalus belongs to Eryopidae'
  • 'Scleromochlidae belongs to Thecodontia'
  • 'Scleromochlus belongs to Scleromochlidae'
  • 'Sclerosauridae belongs to Procolophonoidea'
  • 'Sclerosaurus belongs to Sclerosauridae'
  • 'Sclerothoracidae belongs to Rhinesuchoidea'
  • 'Sclerothorax belongs to Sclerothoracidae'
  • 'Scolecomorphidae belongs to Gymnophiona'
  • 'Scolecophidia belongs to Serpentes'
  • 'Scoliomus belongs to Pelycosauria'
  • 'Scolopacidae belongs to Charadriiformes'
  • 'Scopidae belongs to Ciconiiformes'
  • 'Scopus belongs to Scopidae'
  • 'Scotiophryne [misspelled as Scotiphryne] belongs to Discoglossidae'
  • 'Scraeva belongs to Soricomorpha'
  • 'Scutellosaurus belongs to Scelidosauridae'
  • 'Scutemys belongs to Chelonia'
  • 'Scutosaurus belongs to Pareiasauridae'
  • 'Scylacognathus belongs to Gorgonopsidae'
  • 'Scylacops belongs to Gorgonopsidae'
  • 'Sebecidae belongs to Mesosuchia'
  • 'Sebecus belongs to Sebecidae'
  • 'Secernosaurus belongs to Hadrosauridae'
  • 'Secodontosaurus belongs to Sphenacodontidae'
  • 'Segisaurus belongs to Podokesauridae'
  • 'Segnosauridae belongs to Archosauria'
  • 'Segnosaurus belongs to Segnosauridae'
  • 'Selenarctos belongs to Ursidae'
  • 'Selenolophodon belongs to Tapiridae'
  • 'Selenoportax belongs to Bovidae'
  • 'Seleviniidae belongs to Gliroidea'
  • 'Sellosaurus belongs to Anchisauridae'
  • 'Semigenetta belongs to Viverridae'
  • 'Serpentes belongs to Squamata'
  • 'Serpianosaurus belongs to Pachypleuridae'
  • 'Seudenius belongs to Notostylopidae'
  • 'Seymouria belongs to Seymouriidae'
  • 'Seymouriamorpha belongs to Anthracosauria'
  • 'Seymouriidae belongs to Seymouriamorpha'
  • 'Shamosuchus belongs to Paralligatoridae'
  • 'Shanshanosauridae belongs to Theropoda'
  • 'Shanshanosaurus belongs to Shanshanosauridae'
  • 'Shansiodon belongs to Kannemeyeriidae'
  • 'Shansisuchus belongs to Erythrosuchidae'
  • 'Shantungosaurus belongs to Hadrosauridae'
  • 'Shantungosuchus [misspelled as Shangtungosuchus] belongs to Atoposaurides'
  • 'Sharamynodon belongs to Amynodontidae'
  • 'Sharemys belongs to Emydidae'
  • 'Shastasauridae belongs to Ichthyopterygia'
  • 'Shastasaurus belongs to Shastasauridae'
  • 'Shecenia belongs to Trigonostylopidae'
  • 'Shelania belongs to Pipidae'
  • 'Shensispira belongs to Bovidae'
  • 'Shihtienfenia belongs to Pareiasauridae'
  • 'Shonisaurus belongs to Shastasauridae'
  • 'Shunosaurus belongs to Cetiosauridae'
  • 'Shuotherium belongs to Trituberculata'
  • 'Shweboemys belongs to Pelomedusidae'
  • 'Sianodon belongs to Amynodontidae'
  • 'Siderops belongs to Brachyopidae'
  • 'Sigmala belongs to Sphenodontidae'
  • 'Silphoictidoides belongs to Ictidosuchidae'
  • 'Silvisaurus belongs to Nodosauridae'
  • 'Simamphicyon belongs to Miacidae'
  • 'Simatherium belongs to Bovidae'
  • 'Simila belongs to Sphenodontidae'
  • 'Simimeryx belongs to Hypertragulidae'
  • 'Simimyidae belongs to Dipodoidea'
  • 'Simoedosaurus belongs to Champsosauridae'
  • 'Simolestes belongs to Pliosauridae'
  • 'Simoliopheidae belongs to Simoliopheoidea'
  • 'Simoliopheoidea belongs to Henophidia'
  • 'Simoliophis belongs to Simoliopheidae'
  • 'Simorhinella belongs to Simorhinellidae'
  • 'Simorhinellidae belongs to Therocephalia'
  • 'Simosaurinae was reranked as the family Simosauridae and belongs to Nothosauria'
  • 'Simosaurus belongs to Simosaurinae'
  • 'Simplaletes belongs to Lophialetidae'
  • 'Simpsonodus belongs to Artiodactyla'
  • 'Simpsonotus belongs to Henricosborniidae'
  • 'Sinanas belongs to Anatidae'
  • 'Sinaspideretes belongs to Trionychidae'
  • 'Sinemys belongs to Sinemydidae'
  • 'Sinictis belongs to Mustelidae'
  • 'Sinobrachyops belongs to Brachyopidae'
  • 'Sinochelys belongs to Dermatemydidae'
  • 'Sinocoelurus belongs to Coeluridae'
  • 'Sinoconodon belongs to Sinoconodontidae'
  • 'Sinoconodontidae belongs to Triconodonta'
  • 'Sinognathus belongs to Trirachodontidae'
  • 'Sinohadrianus belongs to Testudinidae'
  • 'Sinohippus belongs to Equidae'
  • 'Sinohyus belongs to Suidae'
  • 'Sinokannemeyeria belongs to Kannemeyeriidae'
  • 'Sinopliosaurus belongs to Pliosauridae'
  • 'Sinoreas belongs to Bovidae'
  • 'Sinoryx belongs to Bovidae'
  • 'Sinosaurus belongs to Poposauridae'
  • 'Sinosinopa belongs to Micropternodontidae'
  • 'Sinostylops belongs to Arctostylopidae'
  • 'Sinotragus belongs to Bovidae'
  • 'Siphonocetus belongs to Cetotheriidae'
  • 'Siren belongs to Sirenidae'
  • 'Sirenavus belongs to Dugongidae'
  • 'Sirenia belongs to Eutheria'
  • 'Sirenidae belongs to Salamandroidea'
  • 'Sitta belongs to Sittidae'
  • 'Sittidae belongs to Passeriformes'
  • 'Sivacapra belongs to Bovidae'
  • 'Sivaceros belongs to Bovidae'
  • 'Sivachoerus belongs to Suidae'
  • 'Sivacobus belongs to Bovidae'
  • 'Sivadenota belongs to Bovidae'
  • 'Sivaelurus belongs to Felidae'
  • 'Sivafelis belongs to Felidae'
  • 'Sivahyus belongs to Suidae'
  • 'Sivalictis belongs to Mustelidae'
  • 'Sivanasua belongs to Procyonidae'
  • 'Sivaonyx belongs to Mustelidae'
  • 'Sivaportax belongs to Bovidae'
  • 'Sivasmilus belongs to Felidae'
  • 'Sivatherium belongs to Giraffidae'
  • 'Sivatitanops belongs to Brontotheridae'
  • 'Sivatragus belongs to Bovidae'
  • 'Sivoreas belongs to Bovidae'
  • 'Sivoryx belongs to Bovidae'
  • 'Siwalikosorex belongs to Soricidae'
  • 'Slaugenhopia belongs to Trimerorhachidae'
  • 'Smilodontidion belongs to Felidae'
  • 'Sminthosinis belongs to Mustelidae'
  • 'Soergelia belongs to Bovidae'
  • 'Sokotochelys belongs to Pelomedusidae'
  • 'Sokotosuchus belongs to Dyrosauridae'
  • 'Solenodonsauridae belongs to Anthracosauria'
  • 'Solenodonsaurus belongs to Solenodonsauridae'
  • 'Solnhofia belongs to Chelonia'
  • 'Sonogrus belongs to Eogruidae'
  • 'Sordes belongs to Rhamphorhynchidae'
  • 'Sorex belongs to Soricidae'
  • 'Soricella belongs to Soricidae'
  • 'Soricidae belongs to Soricomorpha'
  • 'Soriculus belongs to Soricidae'
  • 'Spalacoidea belongs to Myomorpha'
  • 'Sparassocynus belongs to Didelphidae'
  • 'Sparodus belongs to Gymnarthridae'
  • 'Spathicephalus belongs to Loxommatoidea'
  • 'Spathorhynchus belongs to Rhineuridae'
  • 'Sphaerodactylus belongs to Gekkonidae'
  • 'Sphenacodon belongs to Sphenacodontidae'
  • 'Sphenacodontidae belongs to Pelycosauria'
  • 'Spheniscidae belongs to Sphenisciformes'
  • 'Sphenisciformes belongs to Neognathae'
  • 'Spheniscus belongs to Spheniscidae'
  • 'Sphenocoelus belongs to Brontotheridae'
  • 'Sphenodonta belongs to Lepidosauria'
  • 'Sphenodontidae belongs to Sphenodonta'
  • 'Sphenophalos belongs to Antilocapridae'
  • 'Sphenosuchia belongs to Crocodylia'
  • 'Sphenosuchidae belongs to Sphenosuchia'
  • 'Sphenosuchus belongs to Sphenosuchidae'
  • 'Sphenotherus belongs to Mylodontidae'
  • 'Sphodrosaurus belongs to Procolophonidae'
  • 'Spilogale belongs to Mustelidae'
  • 'Spinosauridae belongs to Theropoda'
  • 'Spinosaurus belongs to Spinosauridae'
  • 'Spirocerus belongs to Bovidae'
  • 'Spondylerpeton belongs to Archeriidae'
  • 'Spondylolestes belongs to Procolophonidae'
  • 'Spondylosoma belongs to Staurikosauridae'
  • 'Sporadotragus belongs to Bovidae'
  • 'Squalodelphis belongs to Ziphiidae'
  • 'Squalodon belongs to Squalodontidae'
  • 'Squalodontidae belongs to Odontoceti'
  • 'Squamata belongs to Lepidosauria'
  • 'Srinitium belongs to Soricidae'
  • 'Stagonolepididae [misspelled as Stagnolepididae] belongs to Aetosauria'
  • 'Stagonolepis belongs to Stagonolepididae'
  • 'Stagonosuchus belongs to Rauisuchidae'
  • 'Stahleckeria belongs to Kannemeyeriidae'
  • 'Staurikosauria belongs to Saurischia'
  • 'Staurikosauridae belongs to Staurikosauria'
  • 'Staurikosaurus belongs to Staurikosauridae'
  • 'Staurotypus belongs to Kinosternidae'
  • 'Steatornithidae belongs to Caprimulgiformes'
  • 'Stegoceras belongs to Pachycephalosauridae'
  • 'Stegodibelodon belongs to Elephantidae'
  • 'Stegodon belongs to Stegodontidae'
  • 'Stegodontidae belongs to Mammutoidea'
  • 'Stegolophodon belongs to Stegodontidae'
  • 'Stegomastodon belongs to Gomphotheriidae'
  • 'Stegomosuchus belongs to Protosuchidae'
  • 'Stegomus belongs to Stagnolepididae'
  • 'Stegops belongs to Zatracheidae'
  • 'Stegosauria belongs to Ornithischia'
  • 'Stegosauridae belongs to Stegosauria'
  • 'Stegosaurides belongs to Ankylosauridae'
  • 'Stegosaurus belongs to Stegosauridae'
  • 'Stegotetrabelodon belongs to Gomphotheriidae'
  • 'Stegotheriopsis belongs to Dasypodidae'
  • 'Stegotherium belongs to Dasypodidae'
  • 'Stellio belongs to Agamidae'
  • 'Stenanagale belongs to Anagalidae'
  • 'Stenaulorhynchus belongs to Rhynchosauridae'
  • 'Steneosaurus belongs to Teleosauridae'
  • 'Steno belongs to Delphinidae'
  • 'Steno (Stenella) was reranked as Stenella and belongs to Delphinidae'
  • 'Stenogale belongs to Mustelidae'
  • 'Stenomylus belongs to Camelidae'
  • 'Stenonychosaurus belongs to Saurornithoididae'
  • 'Stenopelix belongs to Ceratopsia'
  • 'Stenoplesictis belongs to Viverridae'
  • 'Stenopterygiidae belongs to Ichthyopterygia'
  • 'Stenopterygius belongs to Stenopterygiidae'
  • 'Stenotatus belongs to Dasypodidae'
  • 'Stephanocemas belongs to Cervidae'
  • 'Stephanorhinus belongs to Rhinocerotidae'
  • 'Stephanospondylus belongs to Diadectidae'
  • 'Steppesaurus belongs to Eotitanosuchia'
  • 'Stercorariidae belongs to Charadriiformes'
  • 'Stercorarius belongs to Stercorariidae'
  • 'Stereodelphis belongs to Delphinidae'
  • 'Stereogenys belongs to Pelomedusidae'
  • 'Stereognathus belongs to Tritylodontidae'
  • 'Stereophallodon belongs to Ophiacodontidae'
  • 'Stereorhachis belongs to Ophiacodontidae'
  • 'Stereosternum belongs to Mesosauridae'
  • 'Stereotoxodon belongs to Toxodontidae'
  • 'Sternbergia belongs to Didelphidae'
  • 'Steropodon belongs to Ornithorhynchidae'
  • 'Sthenarosaurus belongs to Plesiosauria'
  • 'Sthenictis belongs to Mustelidae'
  • 'Sthenodectes belongs to Brontotheridae'
  • 'Stibarus belongs to Leptochoerinae'
  • 'Stilhippus belongs to Notohippidae'
  • 'Stilosoma belongs to Colubridae'
  • 'Stipanicicia belongs to Mustelidae'
  • 'Stockoceros belongs to Antilocapridae'
  • 'Stokesosaurus belongs to Theropoda'
  • 'Stomatosuchidae belongs to Eusuchia'
  • 'Stomatosuchus belongs to Stomatosuchidae'
  • 'Storthyggognathus [misspelled as Storthyggnathus] belongs to Pristerodontidae'
  • 'Stoschiosaurus belongs to Trematosauridae'
  • 'Strepsiportax belongs to Bovidae'
  • 'Stretosaurus belongs to Pliosauridae'
  • 'Strigidae belongs to Strigiformes'
  • 'Strigiformes belongs to Neognathae'
  • 'Strigosuchus belongs to Thecodontia'
  • 'Strix belongs to Strigidae'
  • 'Strogulognathus belongs to Bovidae'
  • 'Stromeriella belongs to Ursidae'
  • 'Strongylokrotaphus belongs to Pliosauridae'
  • 'Struthio belongs to Struthionidae'
  • 'Struthiocephaloides belongs to Tapinocephalidae'
  • 'Struthiocephalus belongs to Tapinocephalidae'
  • 'Struthiomimus belongs to Ornithomimidae'
  • 'Struthionidae belongs to Struthioniformes'
  • 'Struthioniformes belongs to Palaeognathae'
  • 'Struthionops belongs to Tapinocephalidae'
  • 'Struthiosaurus belongs to Nodosauridae'
  • 'Stupendemys belongs to Pelomedusidae'
  • 'Stygimoloch belongs to Pachycephalosauridae'
  • 'Stygiochelys [misspelled as Stygichelys] belongs to Baenidae'
  • 'Stylemys belongs to Testudinidae'
  • 'Stylinodontidae belongs to Taeniodonta'
  • 'Stylochoerus belongs to Suidae'
  • 'Stylohipparion belongs to Equidae'
  • 'Styracocephalus belongs to Tapinocephalidae'
  • 'Styracosaurus belongs to Ceratopsidae'
  • 'Styxosaurus belongs to Elasmosauridae'
  • 'Subhyracodon belongs to Rhinocerotidae'
  • 'Suchosaurus belongs to Pholidosauridae'
  • 'Suidae belongs to Suoidea'
  • 'Suina belongs to Artiodactyla'
  • 'Sula belongs to Sulidae'
  • 'Sula (Microsula) was reranked as Microsula and belongs to Sulidae'
  • 'Sulae belongs to Pelecaniformes'
  • 'Sulakocetus belongs to Squalodontidae'
  • 'Sulidae belongs to Sulae'
  • 'Suncus belongs to Soricidae'
  • 'Sunkahetanka belongs to Canidae'
  • 'Sunosuchus belongs to Goniophididae'
  • 'Suoidea belongs to Suina'
  • 'Suricata belongs to Viverridae'
  • 'Sus belongs to Suidae'
  • 'Swainiguanoides belongs to Iguanidae'
  • 'Sycosaurus belongs to Gorgonopsidae'
  • 'Syllomus belongs to Cheloniidae'
  • 'Sylviornis belongs to Megapodidae'
  • 'Sylvisorex belongs to Soricidae'
  • 'Symmetrodonta belongs to Trituberculata'
  • 'Symphysorrhachis belongs to Hyracodontidae'
  • 'Symplectocyon belongs to Amphicyonidae'
  • 'Symptosuchus belongs to Goniophididae'
  • 'Synapsida belongs to Reptilia'
  • 'Synastrapotherium belongs to Astrapotheriidae' according to C. Paula Couto 1976
  • 'Syncerus belongs to Bovidae'
  • 'Synconolophus belongs to Gomphotheriidae'
  • 'Syndyoceras belongs to Protoceratidae'
  • 'Syndyodosuchus belongs to Eryopidae'
  • 'Synoplotherium belongs to Mesonychidae'
  • 'Synostocephalus belongs to Pristerodontidae'
  • 'Syntarsus belongs to Podokesauridae'
  • 'Synthetoceras belongs to Protoceratidae'
  • 'Syodon belongs to Brithopodidae'
  • 'Syrrhaptes belongs to Pteroclidae'
  • 'Syrrhopus belongs to Leptodactylidae'
  • 'Syrtosmilus belongs to Felidae'
  • 'Szechuanosaurus belongs to Megalosaurinidae'
  • 'Tachyglossidae belongs to Monotremata'
  • 'Tachyglossus belongs to Tachyglossidae'
  • 'Tadorna belongs to Anatidae'
  • 'Taeniodonta belongs to Eutheria'
  • 'Talarurus belongs to Ankylosauridae'
  • 'Talpa belongs to Talpidae'
  • 'Talpavoides belongs to Erinaceomorpha'
  • 'Talpavus belongs to Erinaceomorpha'
  • 'Talpini was reranked as the family Talpidae and belongs to Soricomorpha'
  • 'Tangaroasaurus belongs to Squalodontidae'
  • 'Tangasauridae belongs to Eosuchia'
  • 'Tangasaurus belongs to Tangasauridae'
  • 'Tanius belongs to Hadrosauridae'
  • 'Taniwhasaurus belongs to Mosasauridae'
  • 'Tanymykter belongs to Camelidae'
  • 'Tanystropheidae belongs to Protorosauria'
  • 'Tanystropheus belongs to Tanystropheidae'
  • 'Tanytrachelos belongs to Tanystropheidae'
  • 'Taognathus belongs to Dicynodontia'
  • 'Taphrosphys belongs to Pelomedusidae'
  • 'Tapinocephalia belongs to Dinocephalia'
  • 'Tapinocephalidae belongs to Tapinocephalia'
  • 'Tapinocephalus belongs to Tapinocephalidae'
  • 'Tapiravus belongs to Tapiridae'
  • 'Tapiridae belongs to Tapiroidea'
  • 'Tapiroidea belongs to Ceratomorpha'
  • 'Tapirus belongs to Tapiridae'
  • 'Tapochoerus belongs to Antiacodontinae'
  • 'Tarchia belongs to Ankylosauridae'
  • 'Tarentola belongs to Gekkonidae'
  • 'Taricha belongs to Salamandridae'
  • 'Tarsiidae belongs to Tarsiiformes'
  • 'Tarsiiformes belongs to Prosimii'
  • 'Tasmaniosaurus belongs to Proterosuchidae'
  • 'Taucanamo belongs to Tayassuidae'
  • 'Taurosaurus belongs to Tapinocephalidae'
  • 'Tawasaurus belongs to Fabrosauridae'
  • 'Taxidea belongs to Mustelidae'
  • 'Taxodon belongs to Mustelidae'
  • 'Tayassu belongs to Tayassuidae'
  • 'Tayassuidae belongs to Suoidea'
  • 'Tchoiria [misspelled as Tchoira] belongs to Champsosauridae'
  • 'Technosaurus belongs to Fabrosauridae'
  • 'Teiidae belongs to Leptoglossa'
  • 'Teilhardia belongs to Amynodontidae'
  • 'Teinurosaurus belongs to Coeluridae'
  • 'Telecrex belongs to Numididae'
  • 'Teleidosaurus belongs to Metriorhynchidae'
  • 'Teleoceras belongs to Rhinocerotidae'
  • 'Teleocrater belongs to Thecodontia'
  • 'Teleolophus belongs to Deperetellidae'
  • 'Teleorhinus belongs to Pholidosauridae'
  • 'Teleosauridae belongs to Mesosuchia'
  • 'Teleosaurus belongs to Teleosauridae'
  • 'Telmasaurus belongs to Varanidae'
  • 'Telmatherium belongs to Brontotheridae'
  • 'Telmatodon belongs to Anthracotheriidae'
  • 'Telmatornis belongs to Presbyornithidae'
  • 'Telmatornis belongs to Graculavidae'
  • 'Temnoclemmys belongs to Emydidae'
  • 'Temnocyon belongs to Amphicyonidae'
  • 'Temnodontosaurus belongs to Leptopterygiidae'
  • 'Temnospondyli was reranked as a order and belongs to Labyrinthodontia'
  • 'Tenontosaurus belongs to Hypsilophodontidae'
  • 'Tenrecidae belongs to Zalambdodonta'
  • 'Teratornis belongs to Teratornithidae'
  • 'Teratornithidae belongs to Ciconiiformes'
  • 'Teratosaurus belongs to Poposauridae'
  • 'Terrapene belongs to Emydidae'
  • 'Terrestrisuchus belongs to Saltoposuchidae'
  • 'Tersomius belongs to Dissorophidae'
  • 'Tertrema belongs to Trematosauridae'
  • 'Tertremoides belongs to Trematosauridae'
  • 'Tesselodon belongs to Rhinocerotidae'
  • 'Testudinata was reranked as a subclass and belongs to Reptilia'
  • 'Testudinidae belongs to Testudinoidea'
  • 'Testudinoidea belongs to Cryptodira'
  • 'Testudo belongs to Testudinidae'
  • 'Tetraceratops belongs to Pelycosauria'
  • 'Tetracerus belongs to Bovidae'
  • 'Tetraconodon belongs to Suidae'
  • 'Tetracynodon belongs to Scaloposauridae'
  • 'Tetragonias belongs to Kannemeyeriidae'
  • 'Tetragonostylops belongs to Trigonostylopidae'
  • 'Tetralophodon belongs to Gomphotheriidae'
  • 'Tetrameryx belongs to Antilocapridae'
  • 'Tetrapassalus belongs to Epoicotheriidae'
  • 'Teutomanis belongs to Manidae'
  • 'Texasophis belongs to Colubridae'
  • 'Texoceros belongs to Antilocapridae'
  • 'Texodon belongs to Artiodactyla'
  • 'Thadanius belongs to Adianthidae'
  • 'Thadeosaurus belongs to Tangasauridae'
  • 'Thalassemyidae is a misspelling of Thalassemydidae'
  • 'Thalassemys belongs to Thalassemyidae'
  • 'Thalassictis belongs to Hyaenidae'
  • 'Thalassocetus belongs to Physeteridae'
  • 'Thalassoleon belongs to Otariidae'
  • 'Thalassomedon belongs to Elasmosauridae'
  • 'Thalattosauria belongs to Diapsida'
  • 'Thalattosaurus belongs to Thalattosauridae'
  • 'Thalattosiren belongs to Dugongidae'
  • 'Thaleroceros belongs to Bovidae'
  • 'Thaumastocyon belongs to Ursidae'
  • 'Thaumastognathus belongs to Anthracotheriidae'
  • 'Theatonius belongs to Ranidae'
  • 'Thecadactylus belongs to Gekkonidae'
  • 'Thecodontia belongs to Archosauria'
  • 'Thelegnathus belongs to Procolophonidae'
  • 'Theosodon belongs to Macraucheniidae'
  • 'Therapsida was reranked as a order and belongs to Synapsida'
  • 'Theria belongs to Mammalia'
  • 'Theridomyidae belongs to Theridomyoidea'
  • 'Theridomyoidea belongs to Sciurognathi'
  • 'Theriodictis belongs to Canidae'
  • 'Theriognathus belongs to Whaitsiidae'
  • 'Therioherpeton belongs to Chiniquodontidae'
  • 'Theriosuchus belongs to Atoposaurides'
  • 'Therizinosauridae belongs to Theropoda'
  • 'Therizinosaurus belongs to Therizinosauridae'
  • 'Therocephalia was reranked as a suborder and belongs to Therapsida'
  • 'Theropoda belongs to Saurischia'
  • 'Thescelosaurus belongs to Hypsilophodontidae'
  • 'Thescelus belongs to Neurankylidae'
  • 'Thinobadistes belongs to Mylodontidae'
  • 'Thinochelys belongs to Toxochelyidae'
  • 'Thinocoridae belongs to Charadriiformes'
  • 'Thinohyus belongs to Tayassuidae'
  • 'Thoatherium belongs to Proterotheriidae'
  • 'Thomashuxleya belongs to Isotemnidae'
  • 'Thoosuchus belongs to Benthosuchidae'
  • 'Thoraciliacus belongs to Pipidae'
  • 'Thoracosaurus belongs to Crocodylidae'
  • 'Thrausmosaurus belongs to Pelycosauria'
  • 'Thrinaxodon belongs to Galesauridae'
  • 'Thryonomyidae belongs to Thryonomyoidea'
  • 'Thryonomyoidea belongs to Phiomorpha'
  • 'Thylamys belongs to Didelphidae'
  • 'Thylatheridium belongs to Didelphidae'
  • 'Thylophorops belongs to Didelphidae'
  • 'Thyrohyrax belongs to Pliohyracidae'
  • 'Tichvinskia belongs to Procolophonidae'
  • 'Ticinosuchus belongs to Rauisuchidae'
  • 'Tienfuchelys belongs to Plesiochelyidae'
  • 'Tienosuchus belongs to Crocodylidae'
  • 'Tienshanilophus belongs to Phenacolophidae'
  • 'Tienshanosaurus belongs to Euhelopodidae'
  • 'Tilemsisuchus belongs to Dyrosauridae'
  • 'Tillodon belongs to Esthonychidae'
  • 'Tillodontia belongs to Eutheria'
  • 'Tinamidae belongs to Tinamiformes'
  • 'Tinamiformes belongs to Palaeognathae'
  • 'Tinamus belongs to Tinamidae'
  • 'Tinosaurus belongs to Agamidae'
  • 'Tinuviel belongs to Periptychidae'
  • 'Tiphyocetus belongs to Cetotheriidae'
  • 'Tisisthenes belongs to Mustelidae'
  • 'Titanis belongs to Phorusrhacidae'
  • 'Titanodectes belongs to Brontotheridae'
  • 'Titanogomphodon belongs to Diademodontidae'
  • 'Titanohyrax belongs to Pliohyracidae'
  • 'Titanoideidae belongs to Pantodonta'
  • 'Titanoides belongs to Titanoideidae'
  • 'Titanophoneus belongs to Brithopodidae'
  • 'Titanopteryx belongs to Ornithocheiridae'
  • 'Titanornis belongs to Phorusrhacidae'
  • 'Titanosauridae belongs to Sauropoda'
  • 'Titanosaurus belongs to Titanosauridae'
  • 'Titanosuchia belongs to Dinocephalia'
  • 'Titanosuchidae belongs to Titanosuchia'
  • 'Titanosuchus belongs to Titanosuchidae'
  • 'Titanotylopus belongs to Camelidae'
  • 'Todidae belongs to Halcyones'
  • 'Tokosauridae belongs to Anthracosauria'
  • 'Tokosaurus belongs to Tokosauridae'
  • 'Tolmodus [misspelled as Tomodus] belongs to Phorusrhacidae'
  • 'Tolypeutes belongs to Dasypodidae'
  • 'Tomarctus belongs to Canidae'
  • 'Tomistoma belongs to Crocodylidae'
  • 'Tonsala belongs to Plotopteridae'
  • 'Toretocnemus belongs to Shastasauridae'
  • 'Toribos belongs to Bovidae'
  • 'Tornieria belongs to Titanosauridae'
  • 'Toromeryx belongs to Protoceratidae'
  • 'Torosaurus belongs to Ceratopsidae'
  • 'Torticornis belongs to Bovidae'
  • 'Torvosaurus belongs to Megalosauridae'
  • 'Tossunnoria belongs to Bovidae'
  • 'Totanus belongs to Scolopacidae'
  • 'Toxochelyidae belongs to Chelonioidea'
  • 'Toxochelys belongs to Toxochelyidae'
  • 'Toxodon belongs to Toxodontidae'
  • 'Toxodontia belongs to Notoungulata'
  • 'Toxodontidae belongs to Toxodontia'
  • 'Toxolophosaurus belongs to Sphenodontidae'
  • 'Trachelosaurus belongs to Protorosauria'
  • 'Trachyaspis belongs to Dermatemydidae'
  • 'Trachycalyptus belongs to Glyptodontidae'
  • 'Trachydosaurus belongs to Scincidae'
  • 'Trachystegos belongs to Pantylidae'
  • 'Trachytherus belongs to Mesotheriidae'
  • 'Tragelaphus belongs to Bovidae'
  • 'Tragocerus belongs to Bovidae'
  • 'Tragoportax belongs to Bovidae'
  • 'Tragoreas belongs to Bovidae'
  • 'Tragospira belongs to Bovidae'
  • 'Tragulidae belongs to Traguloidea'
  • 'Tragulohyus belongs to Artiodactyla'
  • 'Traguloidea belongs to Ruminantia'
  • 'Tragulus belongs to Tragulidae'
  • 'Transpithecus belongs to Interatheriidae'
  • 'Traversodon belongs to Traversodontidae'
  • 'Traversodontidae belongs to Tritylodontoidea'
  • 'Tregophis belongs to Boidae'
  • 'Tregosorex belongs to Soricidae'
  • 'Tremacyllus belongs to Hegetotheriidae'
  • 'Tremarctos belongs to Ursidae'
  • 'Trematochampsa belongs to Trematochampsidae'
  • 'Trematochampsidae belongs to Mesosuchia'
  • 'Trematops belongs to Trematopsidae'
  • 'Trematopsidae belongs to Eryopoidea'
  • 'Trematosauridae belongs to Trematosauroidea'
  • 'Trematosauroidea belongs to Temnospondyli'
  • 'Trematosaurus belongs to Trematosauridae'
  • 'Trematosuchus belongs to Trematosauridae'
  • 'Tretosphys belongs to Delphinidae'
  • 'Tretosternon belongs to Dermatemydidae'
  • 'Triadobatrachus belongs to Protobatrachidae'
  • 'Trialestes belongs to Trialestidae'
  • 'Trialestia belongs to Crocodylia'
  • 'Trialestidae belongs to Trialestia'
  • 'Triassurus belongs to Urodeles'
  • 'Tribolodon belongs to Galesauridae'
  • 'Triceratops belongs to Ceratopsidae'
  • 'Triceromeryx belongs to Giraffidae'
  • 'Trichasaurus belongs to Pelycosauria'
  • 'Tricleidus belongs to Elasmosauridae'
  • 'Tricoelodus belongs to Adianthidae'
  • 'Triconodon belongs to Triconodontidae'
  • 'Triconodonta belongs to Prototheria'
  • 'Triconodontidae belongs to Triconodonta'
  • 'Tricuspes belongs to Chiniquodontoidea'
  • 'Tricuspiodontidae belongs to Condylarthra'
  • 'Tricuspisaurus belongs to Trilophosauridae'
  • 'Trigodon belongs to Toxodontidae'
  • 'Trigonias belongs to Rhinocerotidae'
  • 'Trigonictis belongs to Mustelidae'
  • 'Trigonostylopidae belongs to Astrapotheria'
  • 'Trigonostylops belongs to Trigonostylopidae'
  • 'Trihecaton belongs to Trihecatontidae'
  • 'Trihecatontidae belongs to Tuditanomorpha'
  • 'Triisodon belongs to Mesonychia'
  • 'Trilophosauria belongs to Archosauromorpha'
  • 'Trilophosauridae belongs to Trilophosauria'
  • 'Trilophosaurus belongs to Trilophosauridae'
  • 'Trimerorhachidae belongs to Trimerorhachoidea'
  • 'Trimerorhachis belongs to Trimerorhachidae'
  • 'Trimerorhachoidea belongs to Temnospondyli'
  • 'Trimerostephanos belongs to Isotemnidae'
  • 'Trimucrodon belongs to Fabrosauridae'
  • 'Trimylus belongs to Soricidae'
  • 'Trinacromerum belongs to Pliosauridae'
  • 'Trinitichelys belongs to Baenidae'
  • 'Trionychidae belongs to Trionychoidea'
  • 'Trionychoidea belongs to Cryptodira'
  • 'Trionyx belongs to Trionychidae'
  • 'Trioracodon belongs to Triconodontidae'
  • 'Triplopus belongs to Hyracodontidae'
  • 'Trirachodon belongs to Trirachodontidae'
  • 'Trirachodontidae belongs to Tritylodontoidea'
  • 'Tritheledon belongs to Tritheledontidae'
  • 'Tritheledontidae belongs to Chiniquodontoidea'
  • 'Trituberculata belongs to Theria'
  • 'Triturus belongs to Salamandridae'
  • 'Tritylodon belongs to Tritylodontidae'
  • 'Tritylodontidae belongs to Tritylodontoidea'
  • 'Tritylodontoidea belongs to Eucynodontia'
  • 'Trocharion belongs to Mustelidae'
  • 'Trochictis belongs to Mustelidae'
  • 'Trochili belongs to Apodiformes'
  • 'Trochilidae belongs to Trochili'
  • 'Trochotherium belongs to Mustelidae'
  • 'Trogon belongs to Trogonidae'
  • 'Trogonidae belongs to Halcyones'
  • 'Trogosus belongs to Esthonychidae'
  • 'Troodon belongs to Saurornithoididae'
  • 'Tropidemys belongs to Thalassemyidae'
  • 'Trucheosaurus belongs to Brachyopidae'
  • 'Tsaganius belongs to Palaeoryctidae'
  • 'Tsaganomyinae belongs to Bathygeromorpha'
  • 'Tsaidamotherium belongs to Bovidae'
  • 'Tsamnichoria belongs to Oldfieldthomasiidae'
  • 'Tsaotanemys belongs to Dermatemydidae'
  • 'Tseajaia belongs to Tseajaiidae'
  • 'Tseajaiidae belongs to Anthracosauria'
  • 'Tsintaosaurus belongs to Hadrosauridae'
  • 'Tubulidentata belongs to Eutheria'
  • 'Tubulodon belongs to Palaeanodonta'
  • 'Tuditanidae belongs to Tuditanomorpha'
  • 'Tuditanomorpha belongs to Microsauria'
  • 'Tuditanus belongs to Tuditanidae'
  • 'Tugulusaurus belongs to Ornithomimidae'
  • 'Tulerpeton belongs to Proterogyrinidae'
  • 'Tungurictis belongs to Viverridae'
  • 'Tuojiangosaurus belongs to Stegosauridae'
  • 'Tupaiidae belongs to Scandentia'
  • 'Tupaiodon belongs to Erinaceomorpha'
  • 'Tupilakosaurus belongs to Brachyopidae'
  • 'Tupinambis belongs to Teiidae'
  • 'Turnicidae belongs to Galliformes'
  • 'Turnix belongs to Turnicidae'
  • 'Tursiops belongs to Delphinidae'
  • 'Tylocephale belongs to Pachycephalosauridae'
  • 'Tylocephalonyx belongs to Chalicotheriidae'
  • 'Tylopoda was reranked as a suborder and belongs to Artiodactyla'
  • 'Tylosaurus belongs to Mosasauridae'
  • 'Tylototriton belongs to Salamandridae'
  • 'Tympanonesiotes belongs to Pelagornithidae'
  • 'Typhlonectidae belongs to Gymnophiona'
  • 'Typhlopidae belongs to Scolecophidia'
  • 'Typhlops belongs to Typhlopidae'
  • 'Typlothorax belongs to Stagnolepididae'
  • 'Typothericulus belongs to Mesotheriidae'
  • 'Typotheriopsis belongs to Mesotheriidae'
  • 'Typotheroidea belongs to Notoungulata'
  • 'Tyrannosauridae belongs to Theropoda'
  • 'Tyrannosaurus belongs to Tyrannosauridae'
  • 'Tyto belongs to Tytonidae'
  • 'Tytonidae belongs to Strigiformes'
  • 'Ugandax belongs to Bovidae'
  • 'Uintatheriidae belongs to Dinocerata'
  • 'Uintornis belongs to Primobucconidae'
  • 'Ulausuodon belongs to Anthracotheriidae'
  • 'Ultrapithecus belongs to Oldfieldthomasiidae'
  • 'Upupa belongs to Upupidae'
  • 'Upupidae belongs to Bucerotiformes'
  • 'Uralokannemeyeria belongs to Kannemeyeriidae'
  • 'Uranocentrodon belongs to Rhinesuchidae'
  • 'Urmiatherium belongs to Bovidae'
  • 'Urocordylidae belongs to Nectridea'
  • 'Urocordylus belongs to Urocordylidae'
  • 'Urocyon belongs to Canidae'
  • 'Urodeles was reranked as the order Urodela and belongs to Lepospondyli'
  • 'Uromastyx belongs to Agamidae'
  • 'Urosaurus belongs to Iguanidae'
  • 'Urotherium belongs to Glyptodontidae'
  • 'Urotrichus belongs to Talpidae'
  • 'Ursavus belongs to Ursidae'
  • 'Ursidae belongs to Arctoidea'
  • 'Ursulus belongs to Ursidae'
  • 'Ursus belongs to Ursidae'
  • 'Urtinotherium belongs to Hyracodontidae'
  • 'Uruguaysuchidae belongs to Mesosuchia'
  • 'Uruguaysuchus belongs to Uruguaysuchidae'
  • 'Urumgia belongs to Discosauriscidae'
  • 'Uta belongs to Iguanidae'
  • 'Utaetus belongs to Dasypodidae'
  • 'Utatsusauridae belongs to Ichthyopterygia'
  • 'Utegenia belongs to Discosauriscidae'
  • 'Utemylus belongs to Hyopsodontidae'
  • 'Valdosaurus belongs to Dryosauridae'
  • 'Valenictus [misspelled as Valenictis] belongs to Odobaenidae'
  • 'Valenticarbo belongs to Phalacrocoracidae'
  • 'Varanidae belongs to Varanoidea'
  • 'Varanodon belongs to Varanopseidae'
  • 'Varanoidea belongs to Diploglossa'
  • 'Varanops belongs to Varanopseidae'
  • 'Varanopsidae is corrected as Varanopseidae and belongs to Pelycosauria'
  • 'Varanosaurus belongs to Pelycosauria'
  • 'Varanus belongs to Varanidae'
  • 'Variodens belongs to Trilophosauridae'
  • 'Vassallia belongs to Dasypodidae'
  • 'Vectisaurus belongs to Iguanodontidae'
  • 'Vectisuchus belongs to Goniophididae'
  • 'Velocipes belongs to Podokesauridae'
  • 'Velociraptor belongs to Dromaeosauridae'
  • 'Venaticosuchus belongs to Ornithosuchidae'
  • 'Venjukoviamorpha belongs to Dicynodontia'
  • 'Venjukoviidae is corrected as Venyukoviidae and belongs to Venjukoviamorpha'
  • 'Venyukovia belongs to Venjukoviidae'
  • 'Veragromovia belongs to Tapiroidea'
  • 'Vermilingua belongs to Pilosa'
  • 'Vespertilionidae belongs to Vespertilionoidea'
  • 'Vespertilionoidea belongs to Microchiroptera'
  • 'Victorlemoineia belongs to Macraucheniidae'
  • 'Vicugna belongs to Camelidae'
  • 'Vieraella belongs to Ascaphidae'
  • 'Vinayakia belongs to Felidae'
  • 'Vinceria belongs to Kannemeyeriidae'
  • 'Vipera belongs to Viperidae'
  • 'Viperidae belongs to Colubroidea'
  • 'Viretailurus belongs to Felidae'
  • 'Vishnucobus belongs to Bovidae'
  • 'Vishnucyon belongs to Amphicyonidae'
  • 'Vishnufelis belongs to Felidae'
  • 'Vishnuictis belongs to Viverridae'
  • 'Vishnuonyx belongs to Mustelidae'
  • 'Vishnutherium belongs to Giraffidae'
  • 'Vitalia belongs to Procolophonidae'
  • 'Viverra belongs to Viverridae'
  • 'Viverricula belongs to Viverridae'
  • 'Viverridae belongs to Aeluroidea'
  • 'Vjushkovia belongs to Erythrosuchidae'
  • 'Vjushkovisaurus belongs to Rauisuchidae'
  • 'Volgasaurus belongs to Capitosauridae'
  • 'Volgasuchus belongs to Capitosauridae'
  • 'Volkheimeria belongs to Cetiosauridae'
  • 'Vormela belongs to Mustelidae'
  • 'Vulcanodon belongs to Melanorosauridae'
  • 'Vulpes belongs to Canidae'
  • 'Vultur belongs to Vulturidae'
  • 'Vulturidae belongs to Ciconiiformes'
  • 'Wadiasaurus belongs to Kannemeyeriidae'
  • 'Wainka belongs to Proterotheriidae'
  • 'Walangania belongs to Gelocidae'
  • 'Walgettosuchus belongs to Theropoda'
  • 'Wannaganosuchus belongs to Alligatoridae'
  • 'Wannanosaurus belongs to Homalocephalidae'
  • 'Wanogale belongs to Anagalidae'
  • 'Wantzosaurus belongs to Trematosauridae'
  • 'Watongia belongs to Eotitanosuchia'
  • 'Wawelia belongs to Ceratophrynidae'
  • 'Weigeltisaurus belongs to Coelurosauravidae'
  • 'Wellesaurus belongs to Capitosauridae'
  • 'Wetlugasaurus belongs to Capitosauridae'
  • 'Whaitsiidae belongs to Therocephalia'
  • 'Wilsonosorex belongs to Soricidae'
  • 'Wimanornis belongs to Spheniscidae'
  • 'Wolterstorffiella belongs to Dicamptodontidae'
  • 'Wonambi belongs to Boidae'
  • 'Woolungasaurus belongs to Elasmosauridae'
  • 'Woutersophis belongs to Nigeropheidae'
  • 'Wuerhosaurus belongs to Stegosauridae'
  • 'Wyolestes belongs to Mesonychidae'
  • 'Xantusia belongs to Xantusiidae'
  • 'Xantusiidae belongs to Leptoglossa'
  • 'Xenarthra was reranked as a order and belongs to Eutheria'
  • 'Xenastrapotherium belongs to Astrapotheriidae'
  • 'Xenibis belongs to Plataleidae'
  • 'Xenictis belongs to Mustelidae'
  • 'Xenochelys belongs to Kinosternidae'
  • 'Xenocranium belongs to Epoicotheriidae'
  • 'Xenohyus belongs to Suidae'
  • 'Xenopus belongs to Pipidae'
  • 'Xenorophus belongs to Odontoceti'
  • 'Xenosauridae belongs to Anguoidea'
  • 'Xenostephanus belongs to Oldfieldthomasiidae'
  • 'Xenungulata belongs to Eutheria'
  • 'Xesmodon belongs to Proterotheriidae'
  • 'Xestops belongs to Anguidae'
  • 'Xilousuchus belongs to Proterosuchidae'
  • 'Xinjiangmeryx belongs to Leptomerycidae'
  • 'Xiphodon belongs to Xiphodontidae'
  • 'Xiphodontidae belongs to Tylopoda'
  • 'Xotodon belongs to Toxodontidae'
  • 'Xuanhanosaurus belongs to Megalosaurinidae'
  • 'Xyrospondylus belongs to Pelycosauria'
  • 'Yabeinosaurus belongs to Ardeosauridae'
  • 'Yangchuanosaurus belongs to Allosauridae'
  • 'Yantanglestes belongs to Mesonychidae'
  • 'Yaverlandia belongs to Pachycephalosauridae'
  • 'Yaxartemys belongs to Thalassemyidae'
  • 'Youngina belongs to Younginidae'
  • 'Younginidae belongs to Eosuchia'
  • 'Youngornis belongs to Rallidae'
  • 'Ysengrinia belongs to Amphicyonidae'
  • 'Yuelophus belongs to Phenacolophidae'
  • 'Yunnanodon belongs to Tritylodontidae'
  • 'Yuodon belongs to Hyopsodontidae'
  • 'Yuzhoupliosaurus belongs to Pliosauridae'
  • 'Zaedyus belongs to Dasypodidae'
  • 'Zaglossus belongs to Tachyglossidae'
  • 'Zaisanamynodon belongs to Amynodontidae'
  • 'Zalambdalestidae belongs to Eutheria'
  • 'Zalambdodonta belongs to Insectivora'
  • 'Zambiasaurus belongs to Kannemeyeriidae'
  • 'Zangerlia belongs to Dermatemydidae'
  • 'Zaphrissa belongs to Discoglossidae'
  • 'Zapodidae belongs to Dipodoidea'
  • 'Zarafa belongs to Giraffidae'
  • 'Zarcasaurus belongs to Araeoscelidae'
  • 'Zarhachis belongs to Platanistidae'
  • 'Zatracheidae belongs to Eryopoidea'
  • 'Zatrachys belongs to Zatracheidae'
  • 'Zelceina belongs to Soricidae'
  • 'Zeltornis belongs to Ardeidae'
  • 'Zephyrosaurus belongs to Hypsilophodontidae'
  • 'Zhongjianoletes belongs to Lophialetidae'
  • 'Zhongyuanus belongs to Diatrymidae'
  • 'Zhyraornis belongs to Zhyraornithidae'
  • 'Zhyraornithidae belongs to Enantiornithiformes'
  • 'Ziphiidae was reranked as the tribe Ziphiina and belongs to Odontoceti'
  • 'Ziphiodelphis belongs to Rhabdosteidae'
  • 'Ziphioides belongs to Ziphiidae'
  • 'Ziphirostrum belongs to Ziphiidae'
  • 'Zizhongosaurus belongs to Cetiosauridae'
  • 'Zodiolestes belongs to Procyonidae'
  • 'Zopherosuchus belongs to Estemmenosuchidae'
  • 'Zorillodontops belongs to Scaloposauridae'
  • 'Zygodactylidae belongs to Neognathae'
  • 'Zygodactylus belongs to Zygodactylidae'
  • 'Zygolestes belongs to Didelphidae'
  • 'Zygorhiza belongs to Basilosauridae'
  • 'Zygosaurus belongs to Dissorophidae'