ammonites
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Taxonomic names from B. Kurten and E. Anderson 1980

  • Acinonyx, Brookes 1828 [Felidae]
  • Acinonyx trumani (Orr 1969) [Felidae]
  • Afropterus, R. Lavocat 1961 [Chiroptera]
  • Alces brevitrabalis, Cope 1889 [Cervidae]
  • Alces latifrons (Johnson 1874) [Cervidae]
  • Alces runnymedensis, Hay 1923 [Cervidae]
  • Alces semipalmatus, Cope 1889 [Cervidae]
  • Alces shimeki, Hay 1914 [Cervidae]
  • Anancus, Aymard 1855 [Gomphotheriidae]
  • Anisonyx [unclassified genus]
  • Antilope, Pallas 1766 [Bovidae]
  • Antrozous, H. Allen 1862 [Vespertilionidae]
  • Antrozous pallidus (Le Conte 1856) [Vespertilionidae]
  • Archaeonycterididae, family, Revilliod 1917 [Chiroptera]
  • Archaeonycteris, Revilliod 1917 [Archaeonycteridae]
  • Archidiskodon haroldcooki, Hay 1928 [unclassified species]
  • Archidiskodon hayi, Barbour 1915 [Elephantidae]
  • Archidiskodon nebrascensis, Osborn 1932 [Elephantidae]
  • Arctomys columbianus, Ord 1815 [Sciuridae]
  • Arctomys flaviventer, Audubon and Bachman 1841 [Sciuridae]
  • Arctomys franklinii, Sabine 1822 [Sciuridae]
  • Arctomys parryii, Richardson 1825 [Sciuridae]
  • Arvicola, Lacépède 1799 [Arvicolinae]
  • Arvicola californica, Peale 1848 [Arvicolinae]
  • Arvicola chrotorrhinus, G. Miller 1894 [Arvicolinae]
  • Arvicola curtata, Cope 1868 [Cricetidae]
  • Arvicola longicaudus, Merriam 1888 [Arvicolinae]
  • Arvicola mexicana, Saussure 1861 [Arvicolinae]
  • Arvicola montana, Peale 1848 [Arvicolinae]
  • Arvicola sigmodus, Cope 1871 [Arvicolinae]
  • Arvicola tetradelta, Cope 1871 [Arvicolinae]
  • Arvicola xanthognatha, Leach 1815 [Arvicolinae]
  • Asellia, Gray 1838 [Hipposideridae]
  • Baiomys rexroadensis, Hibbard 1941 [unclassified species]
  • Bassaris [unclassified genus]
  • Bassaris astutus, Lichtenstein 1830 [Procyonidae]
  • Bison angularis, Figgins 1933 [Bovidae]
  • Bison californicus, Rhoads 1897 [Bovidae]
  • Bison geisti, Skinner and Kaisen 1947 [Bovidae]
  • Bison oliverhayi, Figgins 1933 [Bovidae]
  • Bison pacificus, Hay 1927 [Bovidae]
  • Bison regius, Hay 1913 [Bovidae]
  • Bison rotundus, Figgins 1933 [Bovidae]
  • Bison texanus, Hay and Cook 1928 [Bovidae]
  • Bison willistoni, Martin 1924 [Bovidae]
  • Blarina brevicauda (Say 1823) [Soricidae]
  • Blarina fossilis, Hibbard 1943 [Soricidae]
  • Blarina ozarkensis, Brown 1908 [Soricidae]
  • Blarina simplicidens, Cope 1899 [Soricidae]
  • Bootherium brazosis, Hesse 1942 [Bovidae]
  • Burosor efforsorius, Starrett 1956 [Castoridae]
  • Canis alpinus, Pallas 1811 [Canidae]
  • Canis arnensis, Del Campana 1913 [unclassified species]
  • Canis cinereoargenteus, Schreber 1775 [Canidae]
  • Canis littoralis (Baird 1857) [Canidae]
  • Canis priscolatrans, Cope 1899 [Canidae]
  • Canis velox, Say 1823 [Canidae]
  • Cardioderma, Peters 1873 [Megadermatidae]
  • Castor zibethicus, Linnaeus 1766 [Arvicolinae]
  • Castoroides nebrascensis, Barbour 1931 [Castoridae]
  • Cecilionycteris, Heller 1935 [Archaeonycteridae]
  • Cervalces borealis, Bensley 1913 [Cervidae]
  • Cervus fortisi, Cope 1878 [Cervidae]
  • Cervus hemionus, Rafinesque 1817 [Cervidae]
  • Cervus lucasi, Hay 1927 [Cervidae]
  • Chamtwaria, P.M. Butler 1984 [Vespertilionidae]
  • Conepatus leuconotus (Lichtenstein 1832) [Mustelidae]
  • Conepatus mesoleucus (Lichtenstein 1832) [Mustelidae]
  • Cricetodipus [unclassified genus]
  • Cricetus, Leske 1779 [Cricetidae]
  • Cudahyomys [unclassified genus]
  • Cynomys gunnisoni (Baird 1855) [Sciuridae]
  • Cynomys meadensis, Hibbard 1956 [Sciuridae]
  • Dasypterus, Reuter 1871 [Vespertilionidae]
  • Dasypterus floridanus, Miller 1902 [Vespertilionidae]
  • Desmodus, Wied-Neuwied 1826 [Phyllostomidae]
  • Dicotyles fossilis, J. Leidy 1860 [Tayassuidae]
  • Dicrostonyx hudsonius (Pallas 1778) [Arvicolinae]
  • Dipodomyinae, subfamily [unclassified subfamily]
  • Dipus, Zimmermann 1780 [Ierboidae]
  • Elephas eellsi, Hay 1926 [Elephantidae]
  • Elephas imperator, Leidy 1858 [unclassified species]
  • Elephas jacksoni, Mather 1838 [Elephantidae]
  • Elephas primigenius, Blumenbach 1799 [Elephantidae]
  • Elephas roosevelti, Hay 1922 [Elephantidae]
  • Eptesicus, Rafinesque 1820 [Vespertilionidae]
  • Eptesicus fuscus (Beauvois 1796) [Vespertilionidae]
  • Equus (Dolichohippus) (Heller 1912) [Equidae]
  • Equus calobatus, Troxel 1915 [unclassified species]
  • Equus mexicanus, Hibbard 1955 [unclassified species]
  • Eremotherium carolinense, Spillmann 1948 [Megatheriidae]
  • Eremotherium mirabile (Leidy 1855) [Megatheriidae]
  • Euarctos optimus, Shultz 1938 [unclassified species]
  • Euarctos vitabilis, Gidley 1913 [Ursidae]
  • Eumops, Miller 1906 [Molossidae]
  • Eumops perotis (Schinz 1821) [Molossidae]
  • Eutamias minimus (Bachman 1839) [Sciuridae]
  • Felis bituminosa, J. C. Merriam and C. Stock 1932 [Felidae]
  • Felis calcaratus, Cope 1899 [Felidae]
  • Felis issiodorensis, Croizet and Jobert 1828 [unclassified species]
  • Fiber [Cunicularia]
  • Fiber annectens, Brown 1908 [Arvicolinae]
  • Geomys bursarius (Shaw 1800) [Geomyidae]
  • Geomys umbrinus, Richardson 1829 [Geomyidae]
  • Glaucomys sabrinus (Shaw 1801) [Sciuridae]
  • Glossotherium harlani (Owen 1840) [Mylodontidae]
  • Glyptodon fredericensis (Meade 1953) [Sclerocalyptidae]
  • Hesperomys crinitus, Merriam 1891 [Cricetidae]
  • Hesperomys eremicus, Baird 1858 [Cricetidae]
  • Hesperomys floridanus, Chapman 1889 [Cricetidae]
  • Hesperomys gossypinus, Le Conte 1853 [Cricetidae]
  • Hesperomys torridus, E. Coues 1874 [Cricetidae]
  • Heteromys, Desmarest 1817 [Muridae]
  • Hipposideros, Gray 1831 [Hipposideridae]
  • Histiotus, Gervais 1855 [Vespertilionidae]
  • Homotherium crusafonti (Schultz and L. Martin 1970) [Felidae]
  • Hypudaeus [Cunicularia]
  • Hypudaeus ochrogaster, Wagner 1842 [Arvicolinae]
  • Ibex, Pallas 1776 [unclassified genus]
  • Ibex iowensis, Palmer 1956 [unclassified species]
  • Ischnoglossa [unclassified genus]
  • Lagomys, Storr 1780 [Sciuridae]
  • Lasionycteris, Peters 1865 [Vespertilionidae]
  • Lasionycteris noctivagans (Le Conte 1831) [Vespertilionidae]
  • Lasiurus borealis (Muller 1776) [Vespertilionidae]
  • Lasiurus intermedius, H. Allen 1862 [Vespertilionidae]
  • Leptonycteris, Lydekker 1891 [Phyllostomatidae]
  • Lepus aquaticus, Bachman 1837 [Leporidae]
  • Lepus bachmani, Waterhouse 1839 [Leporidae]
  • Lepus floridanus (Allen 1890) [Leporidae]
  • Lepus palustris, Bachman 1837 [Leporidae]
  • Lepus princeps, Richardson 1828 [Ochotonidae]
  • Lepus transitionalis, Bangs 1895 [Leporidae]
  • Libralces, Azzaroli 1952 [Cervidae]
  • Liomys centralis, Hibbard 1941 [Heteromyidae]
  • Lutra iowa, Goldman 1941 [Mustelidae]
  • Mammut progenium, Hay 1914 [Mammutidae]
  • Martes gazini, Hibbard 1958 [unclassified species]
  • Mastodon giganteus (Cuvier 1817) [Mammutidae]
  • Matthesia, Smith and G. Storch 1981 [Archaeonycteridae]
  • Megaderma, E. Geoffroy 1810 [Megadermatidae]
  • Megalonyx californicus, Stock 1913 [Megalonychidae]
  • Megalonyx hogani, Stovall 1940 [Megalonychidae]
  • Megalonyx laqueatus, Harlan 1831 [Megalonychidae]
  • Megalonyx leidyi, Lindahl 1893 [Megalonychidae]
  • Megalonyx milleri, Lyon 1938 [Megalonychidae]
  • Megalonyx scalper, Cope 1899 [Megalonychidae]
  • Microtinae, subfamily [unclassified subfamily]
  • Microtus cumberlandensis (van der Meulen 1978) [Arvicolinae]
  • Microtus hibbardi (Holman 1959) [Arvicolinae]
  • Microtus involutus, Cope 1871 [unclassified species]
  • Microtus llanensis, Hibbard 1944 [Arvicolinae]
  • Microtus meadensis (Hibbard 1944) [Arvicolinae]
  • Microtus pennsylvanicus (Ord 1815) [Arvicolinae]
  • Miniopterus, Bonaparte 1837 [Vespertilionidae]
  • Molossus, E. Geoffroy 1805 [Molossidae]
  • Mus cinereus, Ord 1815 [Cricetidae]
  • Mus floridanus, Ord 1818 [Cricetidae]
  • Mus polionotus, Wagner 1843 [Cricetidae]
  • Musculus, Roding 1798 [Crenellidae]
  • Mylodon, Owen 1859 [Mylodontidae]
  • Mylodon garmani, Allen 1913 [Mylodontidae]
  • Mylohyus tetragonus, Cope 1899 [Tayassuidae]
  • Myotis austroriparius (Rhoads 1897) [Vespertilionidae]
  • Myotis californicus (Audubon and Bachman 1842) [Vespertilionidae]
  • Myotis evotis (H. Allen 1864) [Vespertilionidae]
  • Myotis keenii (C. Merriam 1895) [Vespertilionidae]
  • Myotis leibi (Audubon and Bachman 1842) [Vespertilionidae]
  • Myotis lucifugus (Le Conte 1831) [Vespertilionidae]
  • Myotis rectidentis (Choate and Hall 1967) [unclassified species]
  • Myotis velifer (J. Allen 1890) [Vespertilionidae]
  • Myotis volans (H. Allen 1866) [Vespertilionidae]
  • Myzopoda, Milne-Edwards and A. Grandidier 1878 [Myzopodidae]
  • Napaeozapus insignis (Miller 1891) [Zapodidae]
  • Necromantis, Weithofer 1887 [Megadermatidae]
  • Neotoma magister, Baird 1858 [Cricetidae]
  • Neotoma pennsylvanica, Stone 1893 [Cricetidae]
  • Nothrotherium, Lydekker 1889 [Xenarthra]
  • Nothrotherium graciliceps, Stock 1913 [Xenarthra]
  • Notonycteris, D.E. Savage 1951 [Phyllostomatidae]
  • Nyctalus, Bowdich 1925 [Vespertilionidae]
  • Nycticeius, Rafinesque 1819 [Vespertilionidae]
  • Nycticeius humeralis (Rafinesque 1818) [Vespertilionidae]
  • Nyctinomus, Geoffroy 1818 [Molossidae]
  • Nyctophylinae, subfamily [unclassified subfamily]
  • Ochotona alpina [unclassified species]
  • Odocoileus halli, Alvarez 1969 [Cervidae]
  • Oryctomys [unclassified genus]
  • Osteoborus crassipinaetus, Olsen 1956 [unclassified species]
  • Osteoborus progressus, Hibbard 1944 [Canidae]
  • Otognosis [unclassified genus]
  • Palaeochiropteryx, Revilliod 1917 [Archaeonycteridae]
  • Palaeonycteris, Pomel 1854 [Rhinolophidae]
  • Palaeophyllopora, Revilliod 1922 [Hipposideridae]
  • Paleptesicus, Zapfe 1970 [Vespertilionidae]
  • Paraphyllophora, P. Revilliod 1922 [Hipposideridae]
  • Parascalops breweri (Bachman 1842) [Talpidae]
  • Parelephas eelsi, Osborn 1942 [unclassified species]
  • Parelephas progressus, Osborn 1942 [Elephantidae]
  • Perodipus [Heteromyidae]
  • Perognathinae, subfamily, Coues 1875 [unclassified subfamily]
  • Phenacomys primaevus, Hibbard 1937 [Cricetidae]
  • Pipistrellus, Kaup 1829 [Vespertilionidae]
  • Pipistrellus subflavus (F. Cuvier 1832) [Vespertilionidae]
  • Platycerabos, Barbour and Schultz 1942 [Bovidae]
  • Platygonus intermediatus, J. W. Gidley 1921 [Tayassuidae]
  • Platygonus leptorhinus, S. W. Williston 1894 [Tayassuidae]
  • Plecotus, E. Geoffroy 1818 [Vespertilionidae]
  • Plecotus rafinesquii (Lesson 1818) [Vespertilionidae]
  • Podomys, Osgood 1909 [Cricetidae]
  • Porthocyon matthewi, Freudenberg 1910 [unclassified species]
  • Praotherium [unclassified genus]
  • Procyon priscus, Leidy 1856 [Procyonidae]
  • Procyon simus, Gidley 1906 [Procyonidae]
  • Psammomys [unclassified genus]
  • Reithrodon, Waterhouse 1837 [Cricetidae]
  • Reithrodon megalotis, Baird 1858 [Cricetidae]
  • Reithrodon montanus, Baird 1855 [Cricetidae]
  • Rhinolophus, Lacépède 1799 [Rhinolophidae]
  • Rhinonycteris, J.E. Gray 1847 [Hipposideridae]
  • Schistodelta [unclassified genus]
  • Sciurus douglasii, Bachman 1839 [Sciuridae]
  • Sciurus hudsonicus, Erxleben 1777 [Sciuridae]
  • Sciurus lateralis, Say 1823 [Sciuridae]
  • Sciurus mexicanus, Erxleben 1877 [Sciuridae]
  • Sciurus tridecemlineatus, Mitchell 1821 [Sciuridae]
  • Sciurus variegatus, Erxleben 1777 [Sciuridae]
  • Scotophilus, Leach 1821 [Vespertilionidae]
  • Simonycteris, Stirton 1931 [Vespertilionidae]
  • Soergelia elisabethae, Schaub 1951 [Bovidae]
  • Sorex franktownensis, Peterson 1926 [Soricidae]
  • Sorex personatus, Brown 1908 [Soricidae]
  • Spermophilus johnsoni (Hibbard 1972) [unclassified species]
  • Spermophilus undulatus [unclassified species]
  • Spilogale pedroensis, Gazin 1942 [Mephitidae]
  • Stegomastodon arizonae, Gidley 1926 [Gomphotheriidae]
  • Stegomastodon primitivus, Osborn 1936 [Gomphotheriidae]
  • Stehlinia, P. Revilliod 1919 [Vespertilionidae]
  • Sylvilagus palustrellus, Gazin 1950 [Leporidae]
  • Symbos australis, Brown 1908 [Bovidae]
  • Tadarida, Rafinesque 1814 [Molossidae]
  • Taphozous, E. Geoffroy 1818 [Emballonuridae]
  • Tapirus excelsus, Simpson 1945 [Tapiridae]
  • Tatu [Dasypodidae]
  • Teonoma [unclassified genus]
  • Tremarctotherium, Kraglievich 1926 [Ursidae]
  • Uncia [Felidae]
  • Ursus amplidens, Leidy 1853 [Ursidae]
  • Ursus horribilis, Ord 1815 [Ursidae]
  • Urus [unclassified genus]
  • Vampyravus, Schlosser 1910 [Philisidae]
  • Vesperimus [unclassified genus]
  • Vespertilionae, subfamily, B. Kurten and E. Anderson 1980 [unclassified subfamily]
  • Vulpes fulva, Desmarest 1829 [Canidae]
  • Vulpes macrotis, C. Merriam 1888 [Canidae]
  • Vulpes palmaria, O. P. Hay 1917 [Canidae]

Opinions from B. Kurten and E. Anderson 1980

  • 'Acinonyx belongs to Felinae'
  • 'Aenocyon is a subjective synonym of Canis'
  • 'Afropterus belongs to Microchiroptera'
  • 'Aftonius calvini is a subjective synonym of Euceratherium collinum'
  • 'Ageina belongs to Natalidae'
  • 'Ailuraena is a subjective synonym of Chasmaporthetes'
  • 'Ailuraena is a subjective synonym of Chasmaporthetes' according to Stirton and Christian 1941
  • 'Ailuraena johnstoni is a subjective synonym of Chasmaporthetes ossifragus'
  • 'Ailurina was reranked as the subfamily Ailurinae and belongs to Procyonidae'
  • 'Ailurinae belongs to Procyonidae'
  • 'Ailurus anglicus is recombined as Parailurus anglicus'
  • 'Alces belongs to Odocoileinae'
  • 'Alces brevitrabalis is recombined as Cervus brevitrabalis'
  • 'Alces brevitrabalis belongs to Alces' according to Cope 1889
  • 'Alces runnymedensis is a subjective synonym of Alces alces'
  • 'Alces runnymedensis belongs to Alces' according to Hay 1923
  • 'Alces semipalmatus is a subjective synonym of Cervus brevitrabalis'
  • 'Alces semipalmatus belongs to Alces' according to Cope 1889
  • 'Alces shimeki belongs to Alces' according to Hay 1914
  • 'Alces shimeki is a nomen dubium'
  • 'Alilepus vagus is recombined as Pratilepus vagus'
  • 'Allophaiomys is a subjective synonym of Microtus'
  • 'Allophaiomys is a subjective synonym of Microtus' according to van der Meulen 1973
  • 'Allophaiomys pliocaenicus is recombined as Microtus pliocaenicus'
  • 'Allophaiomys pliocaenicus is recombined as Microtus pliocaenicus' according to van der Meulen 1973
  • 'Alopex belongs to Canidae'
  • 'Aluralagus belongs to Leporinae'
  • 'Ammospermophilus belongs to Sciuridae'
  • 'Anancus bensonensis is a subjective synonym of Stegomastodon mirificus'
  • 'Anancus bensonensis is recombined as Cordillerion bensonensis' according to Osborn 1942
  • 'Anancus bensonensis belongs to Anancus' according to Gidley 1926
  • 'Anaptogonia is a subjective synonym of Ondatra'
  • 'Anaptogonia cloacina is a subjective synonym of Ondatra hiatidens'
  • 'Anisonyx rufa is recombined as Aplodontia rufa'
  • 'Anisonyx rufa belongs to Anisonyx' according to Rafinesque 1817
  • 'Antilocapra belongs to Antilocapridae'
  • 'Antilocapridae belongs to Artiodactyla'
  • 'Antilope americana is recombined as Antilocapra americana'
  • 'Antilope americana is recombined as Antilocapra americana' according to Ord 1818
  • 'Antilope americana belongs to Antilope' according to Ord 1815
  • 'Antrozous belongs to Vespertilionae'
  • 'Anzanycteris belongs to Nyctophylinae'
  • 'Anzanycteris anzensis belongs to Anzanycteris'
  • 'Aplodontia belongs to Aplodontidae'
  • 'Aplodontidae belongs to Rodentia'
  • 'Archaeolaginae belongs to Leporidae'
  • 'Archaeonycterididae belongs to Icaronycteroidea'
  • 'Archaeonycteris belongs to Archaeonycterididae'
  • 'Archidiskodon is a subjective synonym of Mammuthus'
  • 'Archidiskodon haroldcooki belongs to Archidiskodon' according to Hay 1928
  • 'Archidiskodon haroldcooki is a subjective synonym of Mammuthus meridionalis'
  • 'Archidiskodon hayi belongs to Archidiskodon' according to Barbour 1915
  • 'Archidiskodon hayi is a subjective synonym of Mammuthus meridionalis'
  • 'Archidiskodon nebrascensis is a subjective synonym of Mammuthus meridionalis'
  • 'Archidiskodon nebrascensis belongs to Archidiskodon' according to Osborn 1932
  • 'Archidiskodon scotti is a subjective synonym of Mammuthus meridionalis'
  • 'Archidiskodon sonoriensis is a subjective synonym of Mammuthus columbi'
  • 'Arctodus belongs to Tremarctinae'
  • 'Arctodus floridanus is recombined as Tremarctos floridanus'
  • 'Arctodus pristinus belongs to Arctodus'
  • 'Arctomys beecheyi is recombined as Spermophilus beecheyi'
  • 'Arctomys columbianus is recombined as Spermophilus columbianus'
  • 'Arctomys columbianus belongs to Arctomys' according to Ord 1815
  • 'Arctomys flaviventer is recombined as Marmota flaviventris' according to Trouessart 1904
  • 'Arctomys flaviventer belongs to Arctomys' according to Audubon and Bachman 1841
  • 'Arctomys flaviventer is recombined as Marmota flaviventris'
  • 'Arctomys flaviventer is recombined as Marmota flaviventris' according to Warren 1934
  • 'Arctomys flaviventer is recombined as Marmota flaviventris' according to Grinnell 1921
  • 'Arctomys flaviventer is recombined as Marmota flaviventris' according to Howell 1915
  • 'Arctomys flaviventer is recombined as Marmota flaviventris' according to Figgins 1915
  • 'Arctomys flaviventer is recombined as Marmota flaviventris' according to Howell 1914
  • 'Arctomys franklinii is recombined as Spermophilus franklinii'
  • 'Arctomys franklinii belongs to Arctomys' according to Sabine 1822
  • 'Arctomys ludoviciana is recombined as Cynomys ludovicianus'
  • 'Arctomys parryii is recombined as Spermophilus parryii'
  • 'Arctomys parryii is recombined as Spermophilus parryii' according to Nadler et al. 1974
  • 'Arctomys parryii is recombined as Spermophilus parryii' according to Gromov et al. 1965
  • 'Arctomys parryii is a subjective synonym of Spermophilus undulatus' according to Hall and Kelson 1959
  • 'Arctomys parryii is a subjective synonym of Spermophilus undulatus' according to Ellerman and Morrison-Scott 1951
  • 'Arctomys parryii belongs to Arctomys' according to Richardson 1825
  • 'Arctomys richardsonii is recombined as Spermophilus richardsonii'
  • 'Arctotherium californicum is a subjective synonym of Arctodus simus'
  • 'Arctotherium californicum is a subjective synonym of Arctodus simus' according to Kurten 1967
  • 'Arctotherium simum is recombined as Tremarctotherium simum' according to Rinker 1949
  • 'Arctotherium simum is recombined as Arctodus simus'
  • 'Arctotherium simum is recombined as Arctodus simus' according to Kurten 1967
  • 'Arctotherium yukonense is a subjective synonym of Arctodus simus'
  • 'Arctotherium yukonense is a subjective synonym of Arctodus simus' according to Kurten 1967
  • 'Arvicola borealis is recombined as Synaptomys borealis'
  • 'Arvicola borealis is recombined as Synaptomys borealis' according to Osgood 1907
  • 'Arvicola borealis belongs to Arvicola' according to Richardson 1828
  • 'Arvicola californica is recombined as Microtus californicus' according to Elliot 1903
  • 'Arvicola californica is recombined as Microtus californicus' according to Bailey 1900
  • 'Arvicola californica is recombined as Microtus californicus' according to Bailey 1898
  • 'Arvicola californica is recombined as Microtus californicus' according to Trouessart 1897
  • 'Arvicola californica belongs to Arvicola' according to Peale 1848
  • 'Arvicola californica is recombined as Microtus californicus'
  • 'Arvicola californica is recombined as Microtus californicus' according to Thaeler 1961
  • 'Arvicola californica is recombined as Microtus californicus' according to von Bloeker 1937
  • 'Arvicola californica is recombined as Microtus californicus' according to Hatfield 1935
  • 'Arvicola californica is recombined as Microtus californicus' according to von Bloeker 1932
  • 'Arvicola californica is recombined as Microtus californicus' according to Huey 1931
  • 'Arvicola californica is recombined as Microtus californicus' according to Osgood 1928
  • 'Arvicola californica is recombined as Microtus californicus' according to Grinnell 1926
  • 'Arvicola californica is recombined as Microtus californicus' according to R. Kellogg 1922
  • 'Arvicola californica is recombined as Microtus californicus' according to R. Kellogg 1918
  • 'Arvicola chrotorrhinus is recombined as Microtus chrotorrhinus'
  • 'Arvicola chrotorrhinus is recombined as Microtus chrotorrhinus' according to Komarek 1932
  • 'Arvicola chrotorrhinus is recombined as Microtus chrotorrhinus' according to Bangs 1898
  • 'Arvicola chrotorrhinus is recombined as Microtus chrotorrhinus' according to Bangs 1896
  • 'Arvicola chrotorrhinus belongs to Arvicola' according to G. Miller 1894
  • 'Arvicola curtata is recombined as Lagurus curtatus' according to Thomas 1912
  • 'Arvicola curtata belongs to Arvicola' according to Cope 1868
  • 'Arvicola curtata is recombined as Lagurus curtatus'
  • 'Arvicola curtata is recombined as Lagurus curtatus' according to Dearden and Lee 1955
  • 'Arvicola curtata is recombined as Lagurus curtatus' according to Hall and Cockrum 1953
  • 'Arvicola curtata is recombined as Lagurus curtatus' according to Kelson 1951
  • 'Arvicola curtata is recombined as Lagurus curtatus' according to Hall 1946
  • 'Arvicola curtata is recombined as Lagurus curtatus' according to Borell and Ellis 1934
  • 'Arvicola didelta is a subjective synonym of Microtus guildayi'
  • 'Arvicola gapperi is recombined as Clethrionomys gapperi' according to C. Jackson 1938
  • 'Arvicola gapperi is recombined as Clethrionomys gapperi' according to Racey and Cowan 1935
  • 'Arvicola gapperi is recombined as Clethrionomys gapperi' according to Whitlow and Hall 1933
  • 'Arvicola gapperi is recombined as Clethrionomys gapperi'
  • 'Arvicola gapperi is recombined as Clethrionomys gapperi' according to Hall and Cockrum 1952
  • 'Arvicola gapperi is recombined as Clethrionomys gapperi' according to Hall and Cockrum 1952
  • 'Arvicola gapperi is recombined as Clethrionomys gapperi' according to Cockrum and Fitch 1952
  • 'Arvicola gapperi is recombined as Clethrionomys gapperi' according to Poole 1949
  • 'Arvicola gapperi is recombined as Clethrionomys gapperi' according to Booth 1945
  • 'Arvicola gapperi is recombined as Clethrionomys gapperi' according to R. Anderson 1943
  • 'Arvicola gapperi is recombined as Clethrionomys gapperi' according to Bole and Moulthrop 1942
  • 'Arvicola gapperi is recombined as Clethrionomys gapperi' according to Doutt 1941
  • 'Arvicola gapperi is recombined as Clethrionomys gapperi' according to R. Smith 1940
  • 'Arvicola gapperi is recombined as Clethrionomys gapperi' according to R. Smith 1940
  • 'Arvicola gapperi is recombined as Clethrionomys gapperi' according to R. Anderson 1940
  • 'Arvicola gapperi is recombined as Clethrionomys gapperi' according to R. Kellogg 1939
  • 'Arvicola hiatidens is recombined as Ondatra hiatidens'
  • 'Arvicola involuta is a subjective synonym of Microtus guildayi'
  • 'Arvicola longicaudus is recombined as Microtus longicaudus'
  • 'Arvicola longicaudus is recombined as Microtus longicaudus' according to Lee and Durrant 1960
  • 'Arvicola longicaudus is recombined as Microtus longicaudus' according to Dalquest 1948
  • 'Arvicola longicaudus is recombined as Microtus longicaudus' according to R. Anderson and Rand 1944
  • 'Arvicola longicaudus is recombined as Microtus longicaudus' according to Goldman 1938
  • 'Arvicola longicaudus is recombined as Microtus longicaudus' according to J. Allen 1895
  • 'Arvicola longicaudus belongs to Arvicola' according to Merriam 1888
  • 'Arvicola mexicana is recombined as Microtus mexicanus' according to Benson 1934
  • 'Arvicola mexicana is recombined as Microtus mexicanus' according to Bailey 1932
  • 'Arvicola mexicana is recombined as Microtus mexicanus' according to Bailey 1902
  • 'Arvicola mexicana is recombined as Microtus mexicanus' according to Bailey 1900
  • 'Arvicola mexicana is recombined as Microtus mexicanus' according to C. Merriam 1898
  • 'Arvicola mexicana is recombined as Microtus mexicanus' according to Trouessart 1897
  • 'Arvicola mexicana belongs to Arvicola' according to Saussure 1861
  • 'Arvicola mexicana is recombined as Microtus mexicanus'
  • 'Arvicola mexicana is recombined as Microtus mexicanus' according to Hooper 1955
  • 'Arvicola mexicana is recombined as Microtus mexicanus' according to Hall 1948
  • 'Arvicola mexicana is recombined as Microtus mexicanus' according to Goldman 1938
  • 'Arvicola montana is recombined as Microtus montanus' according to Bailey 1900
  • 'Arvicola montana is recombined as Microtus montanus' according to Bailey 1898
  • 'Arvicola montana is recombined as Microtus montanus' according to Trouessart 1897
  • 'Arvicola montana belongs to Arvicola' according to Peale 1848
  • 'Arvicola montana is recombined as Microtus montanus'
  • 'Arvicola montana is recombined as Microtus montanus' according to S. Anderson 1954
  • 'Arvicola montana is recombined as Microtus montanus' according to Hall and Kelson 1951
  • 'Arvicola montana is recombined as Microtus montanus' according to Hall and Hayward 1941
  • 'Arvicola montana is recombined as Microtus montanus' according to Hall 1938
  • 'Arvicola montana is recombined as Microtus montanus' according to Hall 1935
  • 'Arvicola montana is recombined as Microtus montanus' according to Bailey 1917
  • 'Arvicola montana is recombined as Microtus montanus' according to Grinnell 1914
  • 'Arvicola montana is recombined as Microtus montanus' according to Grinnell 1913
  • 'Arvicola nuttalli is recombined as Ochrotomys nuttalli'
  • 'Arvicola nuttalli is recombined as Ochrotomys nuttalli' according to Packard 1969
  • 'Arvicola nuttalli is recombined as Ochrotomys nuttalli' according to Rippy and Harvey 1963
  • 'Arvicola nuttalli is recombined as Ochrotomys nuttalli' according to McCarley 1959
  • 'Arvicola nuttalli is recombined as Ochrotomys nuttalli' according to Hooper 1958
  • 'Arvicola sigmodus is a subjective synonym of Microtus guildayi'
  • 'Arvicola sigmodus is a subjective synonym of Pedomys dideltus' according to Hibbard 1955
  • 'Arvicola sigmodus is a subjective synonym of Microtus dideltus' according to Cope 1899
  • 'Arvicola sigmodus belongs to Arvicola' according to Cope 1871
  • 'Arvicola speothen is a subjective synonym of Microtus guildayi'
  • 'Arvicola tetradelta is a subjective synonym of Microtus speothen' according to Cope 1899
  • 'Arvicola tetradelta belongs to Arvicola' according to Cope 1871
  • 'Arvicola tetradelta is a subjective synonym of Microtus guildayi'
  • 'Arvicola tetradelta is a subjective synonym of Microtus speothen' according to Hibbard 1955
  • 'Arvicola xanthognatha is recombined as Microtus xanthognathus'
  • 'Arvicola xanthognatha is recombined as Microtus xanthognathus' according to G. Miller 1894
  • 'Arvicola xanthognatha belongs to Arvicola' according to Leach 1815
  • 'Asellia belongs to Hipposideridae'
  • 'Asinus aguascalentensis is a subjective synonym of Equus excelsus'
  • 'Atopomys belongs to Microtinae'
  • 'Atopomys salvelinus belongs to Atopomys'
  • 'Atopomys texensis belongs to Atopomys'
  • 'Auchenia hesterna is recombined as Camelops hesternus'
  • 'Auchenia huerfanensis is recombined as Camelops huerfanensis'
  • 'Baiomys belongs to Cricetinae'
  • 'Baiomys aquilonius belongs to Baiomys'
  • 'Baiomys kolbi belongs to Baiomys'
  • 'Baiomys rexroadensis belongs to Baiomys' according to Hibbard 1941
  • 'Baiomys rexroadensis belongs to Baiomys'
  • 'Barbastella belongs to Vespertilionidae'
  • 'Bassaris astutus is recombined as Bassariscus astutus'
  • 'Bassaris astutus belongs to Bassaris' according to Lichtenstein 1830
  • 'Bassariscus belongs to Procyoninae'
  • 'Bassariscus casei belongs to Bassariscus'
  • 'Bassariscus sonoitensis belongs to Bassariscus'
  • 'Bensonomys belongs to Cricetinae'
  • 'Bensonomys meadensis belongs to Bensonomys'
  • 'Bison belongs to Bovinae'
  • 'Bison aguascalientes is a subjective synonym of Bison latifrons'
  • 'Bison alaskensis is a subjective synonym of Bison priscus'
  • 'Bison alleni is a subjective synonym of Bison latifrons'
  • 'Bison angularis is a subjective synonym of Bison latifrons'
  • 'Bison angularis belongs to Bison' according to Figgins 1933
  • 'Bison antiquus is a subjective synonym of Bison bison'
  • 'Bison appalachicolus is a subjective synonym of Symbos cavifrons'
  • 'Bison californicus is a subjective synonym of Bison bison'
  • 'Bison californicus belongs to Bison' according to Rhoads 1897
  • 'Bison chaneyi is a subjective synonym of Bison latifrons'
  • 'Bison crassicornis is a subjective synonym of Bison priscus'
  • 'Bison crassicornis is a subjective synonym of Bison priscus' according to Guthrie 1970
  • 'Bison ferox is a subjective synonym of Bison latifrons'
  • 'Bison ferox belongs to Bison' according to Marsh 1877
  • 'Bison figginsi is a subjective synonym of Bison bison'
  • 'Bison geisti is a subjective synonym of Bison priscus'
  • 'Bison geisti belongs to Bison' according to Skinner and Kaisen 1947
  • 'Bison kansensis is a subjective synonym of Bison bison'
  • 'Bison occidentalis is a subjective synonym of Bison bison'
  • 'Bison occidentalis is a subjective synonym of Bison bison' according to Fuller and Bayrock 1965
  • 'Bison oliverhayi belongs to Bison' according to Figgins 1933
  • 'Bison oliverhayi is a subjective synonym of Bison bison'
  • 'Bison pacificus is a subjective synonym of Bison bison'
  • 'Bison pacificus belongs to Bison' according to Hay 1927
  • 'Bison praeoccidentalis is a subjective synonym of Bison priscus'
  • 'Bison praeoccidentalis belongs to Bison' according to Skinner and Kaisen 1947
  • 'Bison regius is a subjective synonym of Bison latifrons'
  • 'Bison regius belongs to Bison' according to Hay 1913
  • 'Bison rotundus is a subjective synonym of Bison latifrons'
  • 'Bison rotundus belongs to Bison' according to Figgins 1933
  • 'Bison taylori is a subjective synonym of Bison bison'
  • 'Bison texanus is a subjective synonym of Bison bison'
  • 'Bison texanus belongs to Bison' according to Hay and Cook 1928
  • 'Bison willistoni is a subjective synonym of Bison latifrons'
  • 'Bison willistoni belongs to Bison' according to Martin 1924
  • 'Blancocamelus belongs to Camelidae'
  • 'Blancocamelus meadei belongs to Blancocamelus'
  • 'Blarina belongs to Soricidae'
  • 'Blarina adamsi is recombined as Cryptotis adamsi'
  • 'Blarina adamsi is recombined as Cryptotis adamsi' according to Choate 1970
  • 'Blarina fossilis is a subjective synonym of Blarina brevicauda'
  • 'Blarina fossilis is a subjective synonym of Blarina brevicauda' according to Graham and Semken 1976
  • 'Blarina fossilis is a subjective synonym of Blarina brevicauda' according to Hibbard 1957
  • 'Blarina fossilis belongs to Blarina' according to Hibbard 1943
  • 'Blarina gidleyi is recombined as Paracryptotis gidleyi'
  • 'Blarina mexicana is recombined as Cryptotis mexicana'
  • 'Blarina ozarkensis belongs to Blarina'
  • 'Blarina ozarkensis belongs to Blarina' according to Graham and Semken 1976
  • 'Blarina ozarkensis belongs to Blarina' according to Brown 1908
  • 'Blarina simplicidens is a subjective synonym of Blarina brevicauda'
  • 'Blarina simplicidens is a subjective synonym of Blarina brevicauda' according to Hibbard 1957
  • 'Blarina simplicidens belongs to Blarina' according to Cope 1899
  • 'Blastocerus belongs to Odocoileinae'
  • 'Blastocerus extraneus belongs to Blastocerus'
  • 'Bootherium belongs to Caprinae'
  • 'Bootherium brazosis is a subjective synonym of Symbos cavifrons'
  • 'Bootherium brazosis belongs to Bootherium' according to Hesse 1942
  • 'Bootherium nivicolens is a subjective synonym of Symbos cavifrons'
  • 'Bootherium sargenti is a subjective synonym of Symbos cavifrons'
  • 'Boreostracon is a subjective synonym of Glyptotherium'
  • 'Boreostracon floridanus is recombined as Glyptotherium floridanum'
  • 'Borophagus belongs to Simocyoninae'
  • 'Borophagus diversidens belongs to Borophagus'
  • 'Bos belongs to Bovinae'
  • 'Bos arizonica is a subjective synonym of Bison latifrons'
  • 'Bos arizonica is a subjective synonym of Bison latifrons' according to F. Lucas 1899
  • 'Bos bison is recombined as Bison bison'
  • 'Bos bison belongs to Bos' according to Linnaeus 1758
  • 'Bos bombifrons is recombined as Bootherium bombifrons'
  • 'Bos bunnelli is a subjective synonym of Bos grunniens'
  • 'Bos crampianus is a subjective synonym of Bison latifrons'
  • 'Bos grunniens belongs to Bos'
  • 'Bos latifrons is recombined as Bison latifrons'
  • 'Bos latifrons is recombined as Bison latifrons' according to Skinner and Kaisen 1947
  • 'Bos moschatus is recombined as Ovibos moschatus'
  • 'Bovidae belongs to Artiodactyla'
  • 'Bovina is corrected as Bovinae and belongs to Bovidae'
  • 'Brachylagus belongs to Leporinae'
  • 'Brachylagus belongs to Leporidae' according to Kenner 1965
  • 'Brachylagus browni is recombined as Hypolagus browni'
  • 'Brachyprotoma belongs to Mephitinae'
  • 'Brachyprotoma breviramus is recombined as Buisnictis breviramus'
  • 'Brachyprotoma pristina is a subjective synonym of Brachyprotoma obtusata'
  • 'Brachyprotoma spelaea is a subjective synonym of Brachyprotoma obtusata'
  • 'Breameryx is a subjective synonym of Capromeryx'
  • 'Bretzia belongs to Cervidae'
  • 'Bretzia pseudalces belongs to Bretzia'
  • 'Buisnictis belongs to Mephitinae'
  • 'Buisnictis burrowsi belongs to Buisnictis'
  • 'Buisnictis meadensis is a subjective synonym of Buisnictis breviramus'
  • 'Burosor efforsorius is a subjective synonym of Castoroides ohioensis'
  • 'Callorhinus belongs to Otariidae'
  • 'Camelidae belongs to Artiodactyla'
  • 'Camelops belongs to Camelidae'
  • 'Camelops kansanus belongs to Camelops'
  • 'Camelops minidokae belongs to Camelops'
  • 'Camelops traviswhitei belongs to Camelops'
  • 'Camelus americanus is a subjective synonym of Hemiauchenia macrocephala'
  • 'Canidae belongs to Fissipedia'
  • 'Canimartes belongs to Grisoninae'
  • 'Canimartes cumminsii [misspelled as Canimartes cumminsi] belongs to Canimartes'
  • 'Caninae belongs to Canidae'
  • 'Canis belongs to Canidae'
  • 'Canis alpinus is recombined as Cuon alpinus'
  • 'Canis alpinus belongs to Canis' according to Pallas 1811
  • 'Canis andersoni is a subjective synonym of Canis latrans'
  • 'Canis armbrusteri belongs to Canis'
  • 'Canis arnensis belongs to Canis' according to Del Campana 1913
  • 'Canis arnensis is a subjective synonym of Canis lepophagus'
  • 'Canis ayersi is a subjective synonym of Canis dirus'
  • 'Canis caneloensis is a subjective synonym of Canis latrans'
  • 'Canis cedazoensis belongs to Canis'
  • 'Canis cinereoargenteus is recombined as Urocyon cinereoargenteus'
  • 'Canis cinereoargenteus belongs to Canis' according to Schreber 1775
  • 'Canis dirus belongs to Canis'
  • 'Canis edwardii is a subjective synonym of Canis priscolatrans'
  • 'Canis familiaris belongs to Canis'
  • 'Canis indianensis is a subjective synonym of Canis dirus'
  • 'Canis irvingtonensis is a subjective synonym of Canis latrans'
  • 'Canis lagopus is recombined as Alopex lagopus'
  • 'Canis latrans belongs to Canis'
  • 'Canis lepophagus belongs to Canis'
  • 'Canis lupus belongs to Canis'
  • 'Canis milleri is a subjective synonym of Canis lupus'
  • 'Canis mississippiensis is a subjective synonym of Canis dirus'
  • 'Canis orcutti is a subjective synonym of Canis latrans'
  • 'Canis priscolatrans belongs to Canis'
  • 'Canis priscolatrans belongs to Canis' according to Cope 1899
  • 'Canis riviveronis is a subjective synonym of Canis latrans'
  • 'Canis rufus belongs to Canis'
  • 'Canis texanus is recombined as Protocyon texanus'
  • 'Canis velox is recombined as Vulpes velox'
  • 'Canis velox is recombined as Vulpes velox' according to Bueler 1973
  • 'Canis velox belongs to Canis' according to Say 1823
  • 'Canis vulpes is recombined as Vulpes vulpes'
  • 'Canis vulpes is recombined as Vulpes vulpes' according to Churcher 1959
  • 'Capra belongs to Caprinae'
  • 'Capra tatarica is recombined as Saiga tatarica'
  • 'Caprinae belongs to Bovidae'
  • 'Capromeryx belongs to Antilocapridae'
  • 'Capromeryx arizonensis belongs to Capromeryx'
  • 'Capromeryx furcifer belongs to Capromeryx'
  • 'Capromeryx gidleyi belongs to Capromeryx'
  • 'Capromeryx mexicana belongs to Capromeryx'
  • 'Capromeryx minimus is a subjective synonym of Capromeryx furcifer'
  • 'Capromeryx minor belongs to Capromeryx'
  • 'Cardioderma belongs to Megadermatidae'
  • 'Cariacus ensifer is a subjective synonym of Odocoileus hemionus'
  • 'Castor belongs to Castoridae'
  • 'Castor accessor belongs to Castor'
  • 'Castor californicus belongs to Castor'
  • 'Castor canadensis belongs to Castor'
  • 'Castor zibethicus is recombined as Ondatra zibethicus'
  • 'Castor zibethicus is recombined as Fiber zibethicus' according to Hollister 1911
  • 'Castor zibethicus belongs to Castor' according to Linnaeus 1766
  • 'Castoridae belongs to Rodentia'
  • 'Castoroides belongs to Castoridae'
  • 'Castoroides nebrascensis is a subjective synonym of Castoroides ohioensis'
  • 'Castoroides nebrascensis belongs to Castoroides' according to Barbour 1931
  • 'Castoroides ohioensis belongs to Castoroides'
  • 'Cecilionycteris belongs to Archaeonycterididae'
  • 'Ceratomeryx belongs to Antilocapridae'
  • 'Ceratomeryx prenticei belongs to Ceratomeryx'
  • 'Cervalces belongs to Odocoileinae'
  • 'Cervalces alaskensis is a subjective synonym of Alces latifrons'
  • 'Cervalces alaskensis is a subjective synonym of Alces latifrons' according to Harington 1977
  • 'Cervalces alaskensis is a subjective synonym of Cervalces scotti' according to Churcher and Pinsof 1988
  • 'Cervalces borealis is a subjective synonym of Cervalces scotti'
  • 'Cervalces borealis belongs to Cervalces' according to Bensley 1913
  • 'Cervalces roosevelti is a subjective synonym of Cervalces scotti'
  • 'Cervalces roosevelti belongs to Cervalces' according to Hay 1913
  • 'Cervidae belongs to Artiodactyla'
  • 'Cervinae belongs to Cervidae'
  • 'Cervus belongs to Cervinae'
  • 'Cervus aguangae is a nomen dubium'
  • 'Cervus alces is recombined as Alces alces'
  • 'Cervus alces is recombined as Alces alces' according to Peterson 1955
  • 'Cervus alces belongs to Cervus' according to Linnaeus 1758
  • 'Cervus elaphus belongs to Cervus'
  • 'Cervus fortisi is a nomen dubium'
  • 'Cervus fortisi belongs to Cervus' according to Cope 1878
  • 'Cervus hemionus is recombined as Odocoileus hemionus'
  • 'Cervus hemionus belongs to Cervus' according to Rafinesque 1817
  • 'Cervus lascrucensis is a subjective synonym of Navahoceros fricki'
  • 'Cervus latifrons is recombined as Alces latifrons' according to Reynolds 1934
  • 'Cervus latifrons is recombined as Alces latifrons' according to Dawkins 1887
  • 'Cervus latifrons is recombined as Libralces latifrons' according to Azzaroli 1952
  • 'Cervus latifrons belongs to Cervus' according to Johnson 1874
  • 'Cervus latifrons is recombined as Alces latifrons'
  • 'Cervus latifrons is recombined as Alces latifrons' according to Kahlke 1969
  • 'Cervus latifrons is recombined as Alces latifrons' according to Kahlke 1965
  • 'Cervus latifrons is recombined as Alces latifrons' according to Kahlke 1960
  • 'Cervus latifrons is recombined as Alces latifrons' according to Kahlke 1956
  • 'Cervus lucasi is a nomen dubium'
  • 'Cervus lucasi belongs to Cervus' according to Hay 1927
  • 'Cervus scotti is recombined as Cervalces scotti'
  • 'Cervus scotti is recombined as Cervalces scotti' according to Azzaroli 1952
  • 'Cervus tarandus is recombined as Rangifer tarandus'
  • 'Cervus tarandus belongs to Cervus' according to Linnaeus 1758
  • 'Cervus whitneyi is a subjective synonym of Sangamona fugitiva'
  • 'Chamtwaria belongs to Vespertilionidae'
  • 'Chasmaporthetes belongs to Hyaenidae'
  • 'Chasmaporthetes ossifragus belongs to Chasmaporthetes'
  • 'Citellus bensoni is recombined as Spermophilus bensoni'
  • 'Citellus cochisei is recombined as Spermophilus cochisei'
  • 'Citellus cragini is recombined as Spermophilus cragini'
  • 'Citellus finlayensis is recombined as Spermophilus finlayensis'
  • 'Citellus howelli is recombined as Spermophilus howelli'
  • 'Citellus mcgheei [misspelled as Spermophilus magheei] belongs to Spermophilus'
  • 'Citellus meadensis is recombined as Spermophilus meadensis'
  • 'Citellus rexroadensis is recombined as Spermophilus rexroadensis'
  • 'Citellus rexroadensis is recombined as Spermophilus rexroadensis' according to Hemming 1956
  • 'Citellus taylori is recombined as Spermophilus taylori'
  • 'Citellus taylori is recombined as Spermophilus taylori' according to Hemming 1956
  • 'Citellus tuitus is recombined as Spermophilus tuitus'
  • 'Citellus tuitus is recombined as Spermophilus tuitus' according to Hemming 1956
  • 'Clethrionomys belongs to Microtinae'
  • 'Coendou belongs to Erethizontidae'
  • 'Coendou cumberlandicus belongs to Coendou'
  • 'Coendou stirtoni belongs to Coendou'
  • 'Condylura belongs to Talpidae'
  • 'Conepatus belongs to Mephitinae'
  • 'Corynorhinus alleganiensis is recombined as Plecotus alleganiensis'
  • 'Corynorhinus alleganiensis is recombined as Plecotus alleganiensis' according to R. Martin 1972
  • 'Corynorhinus tetralophodon is recombined as Plecotus tetralophodon'
  • 'Corynorhinus tetralophodon is recombined as Plecotus tetralophodon' according to R. Martin 1972
  • 'Corynorhinus tetralophodon belongs to Corynorhinus' according to Handley 1955
  • 'Cosomys belongs to Microtinae'
  • 'Cosomys primus belongs to Cosomys'
  • 'Cratogeomys belongs to Geomyidae'
  • 'Cratogeomys bensoni belongs to Cratogeomys'
  • 'Cricetidae belongs to Rodentia'
  • 'Cricetinae belongs to Cricetidae'
  • 'Cricetodipus parvus belongs to Cricetodipus' according to Peale 1848
  • 'Cricetodipus parvus is recombined as Perognathus parvus'
  • 'Cricetus talpoides is recombined as Thomomys talpoides'
  • 'Cricetus talpoides belongs to Cricetus' according to Richardson 1828
  • 'Crocuta inexpectata is a subjective synonym of Acinonyx studeri'
  • 'Crocuta inexpectata is a nomen dubium' according to Adams 1979
  • 'Cryptopterus belongs to Sciuridae'
  • 'Cryptopterus webbi belongs to Cryptopterus'
  • 'Cryptotis belongs to Soricidae'
  • 'Cryptotis meadensis belongs to Cryptotis'
  • 'Cudahyomys moorei is recombined as Reithrodontomys moorei'
  • 'Cudahyomys moorei belongs to Cudahyomys' according to Hibbard 1944
  • 'Cuon belongs to Canidae'
  • 'Cuvieronius belongs to Gomphotheriidae'
  • 'Cynomys belongs to Sciuridae'
  • 'Cynomys hibbardi belongs to Cynomys'
  • 'Cynomys leucurus belongs to Cynomys'
  • 'Cynomys meadensis is a subjective synonym of Cynomys ludovicianus'
  • 'Cynomys meadensis belongs to Cynomys' according to Hibbard 1956
  • 'Cynomys niobrarius belongs to Cynomys'
  • 'Cynomys vetus belongs to Cynomys'
  • 'Cystophora belongs to Monachinae'
  • 'Dama virginiana is recombined as Odocoileus virginianus'
  • 'Dasipidae is corrected as Dasypodidae and belongs to Edentata'
  • 'Dasypodinae belongs to Dasypodidae'
  • 'Dasypterus belongs to Vespertilionae'
  • 'Dasypterus floridanus is a subjective synonym of Lasiurus intermedius'
  • 'Dasypterus floridanus is a subjective synonym of Lasiurus intermedius' according to R. Martin 1972
  • 'Dasypterus floridanus belongs to Dasypterus' according to Miller 1902
  • 'Dasypterus golliheri is recombined as Lasiurus golliheri'
  • 'Dasypterus golliheri is recombined as Lasiurus golliheri' according to R. Martin 1972
  • 'Dasypus belongs to Dasypodinae'
  • 'Dasypus novemcinctus belongs to Dasypus'
  • 'Desmodontidae was reranked as the subfamily Desmodontinae and belongs to Phyllostomatidae'
  • 'Desmodus belongs to Desmodontinae'
  • 'Desmodus magnus is a subjective synonym of Desmodus stocki' according to R. Martin 1972
  • 'Desmodus magnus belongs to Desmodus' according to Gut 1959
  • 'Desmodus magnus is a subjective synonym of Desmodus stocki'
  • 'Desmodus stocki belongs to Desmodus'
  • 'Dibelodon praecursor is recombined as Rhynchotherium praecursor'
  • 'Dibelodon praecursor is recombined as Serbelodon praecursor' according to Osborn 1936
  • 'Dibelodon praecursor is recombined as Serridentinus praecursor' according to Osborn 1935
  • 'Dicea lepuscula is recombined as Notolagus lepusculus'
  • 'Dicotyles fossilis is a subjective synonym of Mylohyus nasutus'
  • 'Dicotyles nasutus is recombined as Mylohyus nasutus'
  • 'Dicotyles pennsylvanicus is a subjective synonym of Mylohyus nasutus'
  • 'Dicrostonyx belongs to Microtinae'
  • 'Didelphidae belongs to Marsupialia'
  • 'Didelphis belongs to Didelphidae'
  • 'Didelphis virginiana belongs to Didelphis'
  • 'Dinarctotherium merriami is a subjective synonym of Arctodus simus'
  • 'Dinobastis is a subjective synonym of Homotherium'
  • 'Dinobastis serus is recombined as Homotherium serum'
  • 'Dinofelis belongs to Machairodontinae'
  • 'Dipodomyinae belongs to Heteromyidae'
  • 'Dipodomys belongs to Dipodomyinae'
  • 'Dipodomys agilis belongs to Dipodomys'
  • 'Dipodomys gidleyi belongs to Dipodomys'
  • 'Dipodomys merriami belongs to Dipodomys'
  • 'Dipodomys ordii belongs to Dipodomys'
  • 'Dipodomys spectabilis belongs to Dipodomys'
  • 'Dipoides belongs to Castoridae'
  • 'Dipoides intermedius belongs to Dipoides'
  • 'Dipoides rexroadensis belongs to Dipoides'
  • 'Dipus hudsonius is recombined as Zapus hudsonius'
  • 'Dipus hudsonius belongs to Dipus' according to Zimmermann 1780
  • 'Dolichohippus is a subjective synonym of Equus'
  • 'Dolomys minor is recombined as Pliopotamys minor'
  • 'Dugongidae belongs to Sirenia'
  • 'Dysopes glaucinus belongs to Dysopes' according to Wagner 1843
  • 'Dysopes glaucinus is recombined as Eumops glaucinus'
  • 'Elephantidae belongs to Proboscidea'
  • 'Elephas (Euelephas) imperator is a subjective synonym of Mammuthus columbi'
  • 'Elephas americanus is a subjective synonym of Mammuthus primigenius'
  • 'Elephas americanus is recombined as Mammut americanum'
  • 'Elephas columbi is recombined as Mammuthus columbi'
  • 'Elephas eellsi is a subjective synonym of Mammuthus jeffersonii'
  • 'Elephas eellsi is a subjective synonym of Parelephas eelsi' according to Osborn 1942
  • 'Elephas eellsi belongs to Elephas' according to Hay 1926
  • 'Elephas exilis is a subjective synonym of Mammuthus jeffersonii'
  • 'Elephas exilis is recombined as Archidiskodon exilis' according to Osborn 1942
  • 'Elephas exilis belongs to Elephas' according to Stock and Furlong 1928
  • 'Elephas floridanus is a subjective synonym of Mammuthus jeffersonii'
  • 'Elephas floridanus is recombined as Parelephas floridanus' according to Osborn 1942
  • 'Elephas haroldcooki is a subjective synonym of Mammuthus meridionalis'
  • 'Elephas haroldcooki is a subjective synonym of Mammuthus meridionalis' according to Maglio 1973
  • 'Elephas imperator belongs to Elephas' according to Leidy 1858
  • 'Elephas imperator is a subjective synonym of Mammuthus columbi'
  • 'Elephas jacksoni belongs to Elephas' according to Mather 1838
  • 'Elephas jacksoni is a subjective synonym of Mammuthus primigenius'
  • 'Elephas jacksoni is recombined as Parelephas jacksoni' according to Osborn 1942
  • 'Elephas jeffersonii is recombined as Mammuthus jeffersonii'
  • 'Elephas jeffersonii is recombined as Parelephas jeffersonii' according to Osborn 1942
  • 'Elephas maibeni is a subjective synonym of Mammuthus columbi'
  • 'Elephas meridionalis is recombined as Mammuthus meridionalis'
  • 'Elephas meridionalis is recombined as Mammuthus meridionalis' according to Maglio 1973
  • 'Elephas primigenius is recombined as Mammuthus primigenius'
  • 'Elephas primigenius is recombined as Mammonteus primigenius' according to Osborn 1942
  • 'Elephas roosevelti is a subjective synonym of Mammuthus jeffersonii'
  • 'Elephas roosevelti is recombined as Parelephas roosevelti' according to Osborn 1942
  • 'Elephas roosevelti belongs to Elephas' according to Hay 1922
  • 'Elephas washingtonii is a subjective synonym of Mammuthus jeffersonii'
  • 'Elephas washingtonii is recombined as Parelephas washingtonii' according to Osborn 1942
  • 'Eligmodontia arizonae is recombined as Bensonomys arizonae'
  • 'Enhydra belongs to Lutrinae'
  • 'Enhydra macrodonta belongs to Enhydra'
  • 'Enhydriodon belongs to Lutrinae'
  • 'Eocastoroides is a subjective synonym of Procastoroides'
  • 'Eocastoroides lanei is a subjective synonym of Procastoroides sweeti'
  • 'Eptesicus belongs to Vespertilionae'
  • 'Equidae belongs to Perissodactyla'
  • 'Equus belongs to Equidae'
  • 'Equus (Hesperohippus) mexicanus is a subjective synonym of Equus pacificus'
  • 'Equus achates is a subjective synonym of Equus tau'
  • 'Equus bautistensis is a subjective synonym of Equus occidentalis'
  • 'Equus calobatus belongs to Equus' according to Troxel 1915
  • 'Equus calobatus belongs to Equus'
  • 'Equus complicatus belongs to Equus'
  • 'Equus conversidens belongs to Equus'
  • 'Equus crenidens [misspelled as Equus crinidens] belongs to Equus'
  • 'Equus cumminsii belongs to Equus'
  • 'Equus excelsus belongs to Equus'
  • 'Equus francisci is a subjective synonym of Equus tau'
  • 'Equus fraternus belongs to Equus'
  • 'Equus giganteus belongs to Equus'
  • 'Equus hatcheri is a subjective synonym of Equus niobrarensis'
  • 'Equus hemionus belongs to Equus'
  • 'Equus idahoensis is a subjective synonym of Equus simplicidens'
  • 'Equus lambei belongs to Equus'
  • 'Equus laurentius is a subjective synonym of Equus caballus'
  • 'Equus littoralis is a subjective synonym of Equus tau'
  • 'Equus mexicanus belongs to Equus' according to Hibbard 1955
  • 'Equus mexicanus is a subjective synonym of Equus giganteus'
  • 'Equus midlandensis is a subjective synonym of Equus scotti'
  • 'Equus minutus is a subjective synonym of Nannippus phlegon'
  • 'Equus niobrarensis belongs to Equus'
  • 'Equus occidentalis belongs to Equus'
  • 'Equus pacificus belongs to Equus'
  • 'Equus parastylidens belongs to Equus'
  • 'Equus pectinatus belongs to Equus'
  • 'Equus phlegon is recombined as Nannippus phlegon'
  • 'Equus quinni is a subjective synonym of Equus tau'
  • 'Equus scotti belongs to Equus'
  • 'Equus semiplicatus is a subjective synonym of Equus conversidens'
  • 'Equus semiplicatus is a subjective synonym of Equus intermedius' according to Matthew 1903
  • 'Equus simplicidens belongs to Equus'
  • 'Equus simplicidens belongs to Equus' according to Hibbard 1951
  • 'Equus tau belongs to Equus'
  • 'Eremotherium belongs to Megatheriidae'
  • 'Eremotherium carolinense is a subjective synonym of Eremotherium rusconii'
  • 'Eremotherium carolinense belongs to Eremotherium' according to Spillmann 1948
  • 'Erethizon belongs to Erethizontidae'
  • 'Erethizon bathygnathum is recombined as Coendou bathygnathum'
  • 'Erethizontidae belongs to Rodentia'
  • 'Erignathus belongs to Phocinae'
  • 'Etadonomys belongs to Dipodomyinae'
  • 'Etadonomys tiheni belongs to Etadonomys'
  • 'Euarctos optimus belongs to Euarctos' according to Shultz 1938
  • 'Euarctos optimus is a subjective synonym of Ursus americanus'
  • 'Euarctos vitabilis is a subjective synonym of Ursus americanus'
  • 'Euarctos vitabilis belongs to Ursus' according to Gidley 1913
  • 'Euceratherium belongs to Caprinae'
  • 'Euceratherium bizzelli is a subjective synonym of Euceratherium collinum'
  • 'Euceratherium collinum belongs to Euceratherium'
  • 'Eumetopias belongs to Otariidae'
  • 'Eumops belongs to Molossidae'
  • 'Eumylodon chapadmalensis is recombined as Glossotherium chapadmalense'
  • 'Eutamias belongs to Sciuridae'
  • 'Felidae belongs to Fissipedia'
  • 'Felinae belongs to Felidae'
  • 'Felis belongs to Felinae'
  • 'Felis (Lynx) canadensis is recombined as Lynx canadensis'
  • 'Felis amnicola belongs to Felis'
  • 'Panthera leo atrox is a subjective synonym of Panthera leo'
  • 'Felis augustus is a subjective synonym of Panthera onca'
  • 'Felis bituminosa is a subjective synonym of Felis concolor'
  • 'Felis bituminosa belongs to Felis' according to J. Merriam and Stock 1932
  • 'Felis calcaratus is a subjective synonym of Lynx rufus'
  • 'Felis calcaratus is a subjective synonym of Lynx rufus' according to Ewer 1973
  • 'Felis calcaratus belongs to Felis' according to Cope 1899
  • 'Felis concolor belongs to Felis'
  • 'Felis daggetti is a subjective synonym of Felis concolor'
  • 'Felis daggetti belongs to Felis' according to Merriam 1918
  • 'Felis fatalis is recombined as Smilodon fatalis'
  • 'Felis fatalis is recombined as Smilodon fatalis' according to Slaughter 1963
  • 'Felis fatalis is recombined as Smilodon fatalis' according to J. Merriam and Stock 1932
  • 'Felis hawveri is a subjective synonym of Felis concolor'
  • 'Felis hawveri belongs to Felis' according to Stock 1918
  • 'Felis hillanus is a subjective synonym of Borophagus diversidens'
  • 'Felis imperialis is a subjective synonym of Panthera leo'
  • 'Felis issiodorensis belongs to Felis' according to Croizet and Jobert 1828
  • 'Felis issiodorensis is recombined as Lynx issiodorensis'
  • 'Felis lacustris belongs to Felis'
  • 'Felis leo is recombined as Panthera leo'
  • 'Felis longicrus is a subjective synonym of Acinonyx trumani'
  • 'Felis lynx is recombined as Lynx lynx'
  • 'Felis onca is recombined as Panthera onca'
  • 'Felis pardalis belongs to Felis'
  • 'Felis rexroadensis is a subjective synonym of Felis lacustris'
  • 'Felis rufa is recombined as Lynx rufus'
  • 'Felis rufa is recombined as Lynx rufus' according to Ewer 1973
  • 'Felis studeri is recombined as Acinonyx studeri' according to Adams 1979
  • 'Felis studeri is a subjective synonym of Felis inexpectata' according to Kurten 1976
  • 'Felis studeri is recombined as Acinonyx studeri'
  • 'Felis trumani is recombined as Acinonyx trumani'
  • 'Felis trumani is recombined as Acinonyx trumani' according to Adams 1979
  • 'Felis trumani belongs to Felis' according to Orr 1969
  • 'Felis veronis is a subjective synonym of Panthera onca'
  • 'Felis wiedii belongs to Felis'
  • 'Felis yagouaroundi belongs to Felis'
  • 'Ferinestrix belongs to Mellivorinae'
  • 'Ferinestrix vorax belongs to Ferinestrix'
  • 'Fiber annectens is recombined as Ondatra annectens'
  • 'Fiber annectens is a subjective synonym of Ondatra zibethicus' according to R. Martin 1993
  • 'Fiber annectens belongs to Fiber' according to Brown 1908
  • 'Fiber nebrascensis is recombined as Ondatra nebrascensis'
  • 'Fiber oregonus is a subjective synonym of Ondatra zibethicus'
  • 'Fiber oregonus belongs to Fiber' according to Hollister 1911
  • 'Fissipeda was reranked as the suborder Fissipedia and belongs to Carnivora'
  • 'Geomyidae belongs to Rodentia'
  • 'Geomys belongs to Geomyidae'
  • 'Geomys adamsi belongs to Geomys'
  • 'Geomys bisulcatus is a subjective synonym of Geomys bursarius'
  • 'Geomys garbanii belongs to Geomys'
  • 'Geomys minor is recombined as Nerterogeomys minor'
  • 'Geomys paenebursarius is recombined as Nerterogeomys paenebursarius'
  • 'Geomys parvidens is a subjective synonym of Geomys bursarius' according to J. White and Downs 1961
  • 'Geomys parvidens is a subjective synonym of Geomys bursarius'
  • 'Geomys persimilis is recombined as Nerterogeomys persimilis'
  • 'Geomys pinetis belongs to Geomys'
  • 'Geomys quinni belongs to Geomys'
  • 'Geomys smithi is recombined as Nerterogeomys smithi'
  • 'Geomys townsendii is recombined as Thomomys townsendii'
  • 'Geomys townsendii is recombined as Thomomys townsendii' according to Thaeler 1968
  • 'Geomys umbrinus is recombined as Thomomys umbrinus'
  • 'Geomys umbrinus belongs to Geomys' according to Richardson 1829
  • 'Gigantocamelus is a subjective synonym of Titanotylopus'
  • 'Gigantocamelus fricki is a subjective synonym of Titanotylopus spatulus'
  • 'Glaucomys belongs to Sciuridae'
  • 'Glossotherium belongs to Mylodontidae'
  • 'Glyptodon belongs to Glyptodontidae'
  • 'Glyptodon mexicano is recombined as Glyptotherium mexicanum'
  • 'Glyptodon petaliferus is a nomen nudum'
  • 'Glyptodon septentrionalis is recombined as Holmesina septentrionalis'
  • 'Glyptodontidae belongs to Edentata'
  • 'Glyptotherium belongs to Glyptodontidae'
  • 'Glyptotherium arizonae belongs to Glyptotherium'
  • 'Glyptotherium texanum belongs to Glyptotherium'
  • 'Gomphotheriidae belongs to Proboscidea'
  • 'Grisoninae belongs to Mustelidae'
  • 'Gulo belongs to Mustelinae'
  • 'Gulo gidleyi is a subjective synonym of Gulo schlosseri'
  • 'Gulo schlosseri belongs to Gulo'
  • 'Halichoerus belongs to Phocinae'
  • 'Hayoceros belongs to Antilocapridae'
  • 'Hemiauchenia belongs to Camelidae'
  • 'Hesperomys boylii is recombined as Peromyscus boylii'
  • 'Hesperomys crinitus is recombined as Peromyscus crinitus'
  • 'Hesperomys crinitus belongs to Hesperomys' according to Merriam 1891
  • 'Hesperomys eremicus is recombined as Peromyscus eremicus'
  • 'Hesperomys eremicus belongs to Hesperomys' according to Baird 1858
  • 'Hesperomys floridanus is recombined as Peromyscus floridanus'
  • 'Hesperomys floridanus belongs to Hesperomys' according to Chapman 1889
  • 'Hesperomys gossypinus is recombined as Peromyscus gossypinus'
  • 'Hesperomys gossypinus belongs to Hesperomys' according to Le Conte 1853
  • 'Hesperomys maniculatus is recombined as Peromyscus maniculatus'
  • 'Hesperomys taylori is recombined as Baiomys taylori'
  • 'Hesperomys torridus is recombined as Onychomys torridus'
  • 'Hesperomys torridus belongs to Hesperomys' according to Coues 1874
  • 'Hesperomys truei is recombined as Peromyscus truei'
  • 'Hesperoscalops blancoensis is recombined as Scalopus blancoensis'
  • 'Hesperoscalops rexroadi is recombined as Scalopus rexroadi'
  • 'Heterogeomys belongs to Geomyidae'
  • 'Heterogeomys onerosus belongs to Heterogeomys'
  • 'Heteromyidae belongs to Rodentia'
  • 'Heteromyinae belongs to Heteromyidae'
  • 'Heteromys irroratus is recombined as Liomys irroratus'
  • 'Heteromys irroratus belongs to Heteromys' according to Gray 1868
  • 'Hipparion (Nannippus) was reranked as Nannippus and belongs to Equidae'
  • 'Hipparion cragini is a subjective synonym of Nannippus phlegon'
  • 'Hipposideros belongs to Hipposideridae'
  • 'Histiotus belongs to Vespertilionae'
  • 'Holmesina belongs to Pampatheriinae'
  • 'Holomeniscus macrocephalus is recombined as Hemiauchenia macrocephala'
  • 'Holomeniscus sulcatus is recombined as Camelops sulcatus'
  • 'Hominidae belongs to Primates'
  • 'Homo belongs to Hominidae'
  • 'Homo sapiens belongs to Homo'
  • 'Homotherium belongs to Machairodontinae'
  • 'Hyaenidae belongs to Fissipedia'
  • 'Hyaenognathus direptor is recombined as Borophagus direptor'
  • 'Hyaenognathus matthewi is a subjective synonym of Borophagus diversidens'
  • 'Hyaenognathus pachyodon is a subjective synonym of Borophagus diversidens'
  • 'Hyaenognathus solus is a subjective synonym of Borophagus direptor'
  • 'Hydrochoeridae belongs to Rodentia'
  • 'Hydrochoerus belongs to Hydrochoeridae'
  • 'Hydrochoerus holmesi belongs to Hydrochoerus'
  • 'Hydrochoerus pinckneyi is recombined as Neochoerus pinckneyi' according to Gut 1939
  • 'Hydrochoerus pinckneyi is recombined as Neochoerus pinckneyi' according to Simpson 1932
  • 'Hydrochoerus pinckneyi is recombined as Neochoerus pinckneyi' according to Kraglievich 1930
  • 'Hydrochoerus pinckneyi is recombined as Neochoerus pinckneyi'
  • 'Hydrochoerus pinckneyi is recombined as Neochoerus pinckneyi' according to Mones 1975
  • 'Hydrochoerus pinckneyi is recombined as Neochoerus pinckneyi' according to Webb 1974
  • 'Hydrochoerus pinckneyi is recombined as Neochoerus pinckneyi' according to Alvarez 1969
  • 'Hydrochoerus pinckneyi is recombined as Neochoerus pinckneyi' according to Ray 1958
  • 'Hydrochoerus pinckneyi is recombined as Neochoerus pinckneyi' according to Ray 1957
  • 'Hydrochoerus pinckneyi is recombined as Neochoerus pinckneyi' according to Gazin 1950
  • 'Hydrodamalis belongs to Dugongidae'
  • 'Hypolagus belongs to Archaeolaginae'
  • 'Hypolagus arizonensis belongs to Hypolagus'
  • 'Hypolagus furlongi belongs to Hypolagus'
  • 'Hypolagus limnetus belongs to Hypolagus'
  • 'Hypolagus regalis belongs to Hypolagus'
  • 'Hypudaeus leucogaster is recombined as Onychomys leucogaster'
  • 'Hypudaeus leucogaster belongs to Hypudaeus' according to Wied-Neuwied 1841
  • 'Hypudaeus ochrogaster is recombined as Microtus ochrogaster'
  • 'Hypudaeus ochrogaster is recombined as Microtus ochrogaster' according to Hall and Kelson 1959
  • 'Hypudaeus ochrogaster belongs to Hypudaeus' according to Wagner 1842
  • 'Hystrix dorsata is recombined as Erethizon dorsatum'
  • 'Hystrix dorsata is recombined as Erethizon dorsatum' according to Cuvier 1822
  • 'Ibex iowensis belongs to Ibex' according to Palmer 1956
  • 'Ibex iowensis is recombined as Capra iowensis'
  • 'Icaronycteris belongs to Archaeonycterididae'
  • 'Ischnoglossa nivalis is recombined as Leptonycteris nivalis'
  • 'Ischnoglossa nivalis belongs to Ischnoglossa' according to Saussure 1860
  • 'Ischyrosmilus belongs to Machairodontinae'
  • 'Ischyrosmilus crusafonti is a subjective synonym of Ischyrosmilus ischyrus'
  • 'Ischyrosmilus crusafonti belongs to Ischyrosmilus' according to Schultz and L. Martin 1970
  • 'Ischyrosmilus idahoensis is a subjective synonym of Ischyrosmilus ischyrus'
  • 'Ischyrosmilus johnstoni is a subjective synonym of Ischyrosmilus ischyrus'
  • 'Kraglievichia belongs to Pampatheriinae'
  • 'Kraglievichia floridanus belongs to Kraglievichia'
  • 'Lagomys collaris is recombined as Ochotona collaris'
  • 'Lagomys collaris is a subjective synonym of Ochotona alpina' according to Corbet 1978
  • 'Lagomys collaris belongs to Lagomys' according to Nelson 1893
  • 'Lagurus belongs to Microtinae'
  • 'Lama hollomani is a subjective synonym of Hemiauchenia macrocephala'
  • 'Lama stevensi is a subjective synonym of Hemiauchenia macrocephala'
  • 'Lasionycteris belongs to Vespertilionae'
  • 'Lasiurus belongs to Vespertilionae'
  • 'Lasiurus fossilis belongs to Lasiurus'
  • 'Lasiurus intermedius belongs to Lasiurus' according to H. Allen 1862
  • 'Lasiurus intermedius belongs to Lasiurus'
  • 'Lemmus belongs to Microtinae'
  • 'Lemmus sibiricus belongs to Lemmus'
  • 'Leporidae belongs to Lagomorpha'
  • 'Leporinae belongs to Leporidae'
  • 'Leptonycteris belongs to Phyllostomatinae'
  • 'Lepus belongs to Leporinae'
  • 'Lepus alleni belongs to Lepus'
  • 'Lepus americanus belongs to Lepus'
  • 'Lepus aquaticus is recombined as Sylvilagus aquaticus'
  • 'Lepus aquaticus is recombined as Limnolagus aquaticus' according to Corbet 1983
  • 'Lepus aquaticus is recombined as Limnolagus aquaticus' according to Lyon 1904
  • 'Lepus aquaticus belongs to Lepus' according to Bachman 1837
  • 'Lepus arcticus belongs to Lepus'
  • 'Lepus audubonii is recombined as Sylvilagus audubonii'
  • 'Lepus audubonii belongs to Lepus' according to Baird 1858
  • 'Lepus bachmani is recombined as Sylvilagus bachmani'
  • 'Lepus bachmani belongs to Lepus' according to Waterhouse 1839
  • 'Lepus benjamini belongs to Lepus'
  • 'Lepus californicus belongs to Lepus'
  • 'Lepus giganteus is a subjective synonym of Lepus alleni'
  • 'Lepus idahoensis is recombined as Brachylagus idahoensis'
  • 'Lepus nuttalli [misspelled as Sylvilagus nuttalli] belongs to Sylvilagus'
  • 'Lepus nuttalli belongs to Lepus' according to Bachman 1837
  • 'Lepus palustris is recombined as Sylvilagus palustris'
  • 'Lepus palustris is recombined as Limnolagus palustris' according to Corbet 1983
  • 'Lepus palustris is recombined as Limnolagus palustris' according to Lyon 1904
  • 'Lepus palustris belongs to Lepus' according to Bachman 1837
  • 'Lepus princeps is recombined as Ochotona princeps'
  • 'Lepus princeps is a subjective synonym of Ochotona alpina' according to Corbet 1978
  • 'Lepus princeps belongs to Lepus' according to Richardson 1828
  • 'Lepus sylvaticus is replaced by Lepus floridanus' according to Allen 1899
  • 'Lepus sylvaticus floridanus is recombined as Lepus floridanus' according to Allen 1899
  • 'Lepus sylvaticus floridanus is recombined as Sylvilagus floridanus'
  • 'Lepus sylvaticus floridanus belongs to Lepus sylvaticus' according to Allen 1890
  • 'Lepus townsendii belongs to Lepus'
  • 'Lepus transitionalis is recombined as Sylvilagus transitionalis'
  • 'Lepus transitionalis belongs to Lepus' according to Bangs 1895
  • 'Lepus vetus is recombined as Hypolagus vetus'
  • 'Liomys belongs to Heteromyidae'
  • 'Liomys centralis is recombined as Prodipodomys centralis'
  • 'Liomys centralis is recombined as Prodipodomys centralis' according to Hibbard 1972
  • 'Liops zuniensis is a subjective synonym of Symbos cavifrons'
  • 'Lontra belongs to Mustelidae'
  • 'Lupus niger is a subjective synonym of Canis rufus'
  • 'Lutra belongs to Lutrinae'
  • 'Lutra ingens is a subjective synonym of Satherium piscinarium'
  • 'Lutra iowa is a subjective synonym of Lutra canadensis'
  • 'Lutra iowa belongs to Lutra' according to Goldman 1941
  • 'Lutra parvicuspis is a subjective synonym of Lutra canadensis'
  • 'Lutra piscinaria is recombined as Satherium piscinarium'
  • 'Lutra rhoadsii is a subjective synonym of Lutra canadensis'
  • 'Lutravus cookii is recombined as Trigonictis cookii'
  • 'Lutravus idahoensis is recombined as Trigonictis idahoensis'
  • 'Lutreola macrodon is recombined as Mustela macrodon'
  • 'Lutrinae belongs to Mustelidae'
  • 'Lynx belongs to Felinae'
  • 'Machaerodus floridanus is a subjective synonym of Smilodon fatalis'
  • 'Machaerodus floridanus is a subjective synonym of Smilodon fatalis' according to Kurten 1965
  • 'Machaerodus floridanus is a subjective synonym of Smilodon fatalis' according to Bovard 1907
  • 'Machaerodus ischyrus is recombined as Ischyrosmilus ischyrus'
  • 'Machairodontinae belongs to Felidae'
  • 'Machairodus hesperus is recombined as Megantereon hesperus' according to Schultz and L. Martin 1970
  • 'Machairodus hesperus is recombined as Megantereon hesperus'
  • 'Mammut belongs to Mammutidae'
  • 'Mammut progenium is a subjective synonym of Mammut americanum'
  • 'Mammut progenium is recombined as Mastodon progenius' according to Osborn 1942
  • 'Mammut progenium belongs to Mammut' according to Hay 1914
  • 'Mammuthus belongs to Elephantidae'
  • 'Mammutidae belongs to Proboscidea'
  • 'Manati gigas is recombined as Hydrodamalis gigas'
  • 'Marmota belongs to Sciuridae'
  • 'Marmota arizonae belongs to Marmota'
  • 'Marmota mexicana is a subjective synonym of Paenemarmota barbouri'
  • 'Martes belongs to Mustelinae'
  • 'Martes caurina nobilis is recombined as Martes nobilis'
  • 'Martes gazini belongs to Martes' according to Hibbard 1958
  • 'Martes gazini is a subjective synonym of Mustela rexroadensis'
  • 'Martes parapennanti is a subjective synonym of Martes diluviana'
  • 'Mastodon is a subjective synonym of Mammut'
  • 'Mastodon is a subjective synonym of Mammut' according to Simpson 1945
  • 'Mastodon (Tetralophodon) mirificus is recombined as Stegomastodon mirificus'
  • 'Mastodon (Tetralophodon) mirificus is recombined as Stegomastodon mirificus' according to Hibbard 1951
  • 'Mastodon giganteus is a subjective synonym of Mammut americanum'
  • 'Mastodon giganteum belongs to Mastodon' according to Cuvier 1817
  • 'Mastodon shepardii is a subjective synonym of Rhynchotherium praecursor'
  • 'Mastodon successor is a subjective synonym of Stegomastodon mirificus'
  • 'Matthesia belongs to Archaeonycterididae'
  • 'Megachiroptera belongs to Chiroptera'
  • 'Megaderma belongs to Megadermatidae'
  • 'Megalonychidae belongs to Edentata'
  • 'Megalonyx belongs to Megalonychidae'
  • 'Megalonyx brachycephalus is a subjective synonym of Megalonyx jeffersonii'
  • 'Megalonyx californicus is a subjective synonym of Megalonyx jeffersonii'
  • 'Megalonyx californicus belongs to Megalonyx' according to Stock 1913
  • 'Megalonyx dissimilis is a subjective synonym of Megalonyx jeffersonii'
  • 'Megalonyx harlani is recombined as Glossotherium harlani'
  • 'Megalonyx harlani is recombined as Mylodon harlani' according to Lydekker 1887
  • 'Megalonyx harlani is recombined as Mylodon harlani' according to Owen 1859
  • 'Megalonyx harlani belongs to Megalonyx' according to Owen 1840
  • 'Megalonyx hogani is a subjective synonym of Megalonyx jeffersonii'
  • 'Megalonyx hogani belongs to Megalonyx' according to Stovall 1940
  • 'Megalonyx laqueatus is a subjective synonym of Megalonyx jeffersonii'
  • 'Megalonyx laqueatus belongs to Megalonyx' according to Harlan 1831
  • 'Megalonyx leidyi is a subjective synonym of Megalonyx jeffersonii'
  • 'Megalonyx leidyi belongs to Megalonyx' according to Lindahl 1893
  • 'Megalonyx leptostomus belongs to Megalonyx'
  • 'Megalonyx loxodon is a subjective synonym of Megalonyx wheatleyi'
  • 'Megalonyx milleri is a subjective synonym of Megalonyx jeffersonii'
  • 'Megalonyx milleri belongs to Megalonyx' according to Lyon 1938
  • 'Megalonyx scalper is a subjective synonym of Megalonyx wheatleyi'
  • 'Megalonyx scalper belongs to Megalonyx' according to Cope 1899
  • 'Megalonyx sierrensis is a subjective synonym of Megalonyx jeffersonii'
  • 'Megalonyx sierrensis belongs to Megalonyx' according to Sinclair 1905
  • 'Megalonyx sphenodon is a subjective synonym of Megalonyx wheatleyi'
  • 'Megalonyx tortulus is a subjective synonym of Megalonyx wheatleyi'
  • 'Megalonyx wheatleyi belongs to Megalonyx'
  • 'Megantereon belongs to Machairodontinae'
  • 'Megatheriidae belongs to Edentata'
  • 'Megatherium jeffersonii is recombined as Megalonyx jeffersonii'
  • 'Megatherium mirabile is a subjective synonym of Eremotherium rusconii'
  • 'Megatherium mirabile belongs to Megatherium' according to Leidy 1855
  • 'Megatherium rusconii is recombined as Eremotherium rusconii'
  • 'Melinae belongs to Mustelidae'
  • 'Mellivorinae belongs to Mustelidae'
  • 'Mephitinae belongs to Mustelidae'
  • 'Mephitis belongs to Mephitinae'
  • 'Mephitis fossidens is a subjective synonym of Osmotherium spelaeum'
  • 'Mephitis leptops is a subjective synonym of Osmotherium spelaeum'
  • 'Mephitis leuconotus is recombined as Conepatus leuconotus'
  • 'Mephitis leuconotus is recombined as Conepatus leuconotus' according to Hall and Kelson 1959
  • 'Mephitis leuconotus belongs to Mephitis' according to Lichtenstein 1832
  • 'Mephitis mesoleucus is a subjective synonym of Conepatus leuconotus'
  • 'Mephitis mesoleucus is recombined as Conepatus mesoleucus' according to Hall and Kelson 1959
  • 'Mephitis mesoleucus belongs to Mephitis' according to Lichtenstein 1832
  • 'Mephitis obtusata is recombined as Brachyprotoma obtusata'
  • 'Mephitis orthostichus is a subjective synonym of Osmotherium spelaeum'
  • 'Microchiroptera belongs to Chiroptera'
  • 'Microsorex belongs to Soricidae'
  • 'Microsorex minutus belongs to Microsorex'
  • 'Microsorex pratensis belongs to Microsorex'
  • 'Microtinae belongs to Cricetidae'
  • 'Microtus belongs to Microtinae'
  • 'Microtus deceitensis belongs to Microtus'
  • 'Microtus diluvianus is recombined as Neofiber diluvianus'
  • 'Microtus diluvianus is recombined as Neofiber diluvianus' according to Hibbard 1955
  • 'Microtus diluvianus belongs to Microtus' according to Cope 1896
  • 'Microtus guildayi belongs to Microtus'
  • 'Microtus involutus belongs to Microtus' according to Cope 1871
  • 'Microtus involutus is a subjective synonym of Microtus guildayi'
  • 'Microtus llanensis belongs to Microtus'
  • 'Microtus llanensis belongs to Microtus' according to Hibbard 1944
  • 'Microtus miurus belongs to Microtus'
  • 'Microtus paroperarius belongs to Microtus'
  • 'Mictomys is a subjective synonym of Synaptomys'
  • 'Mimomys belongs to Microtinae'
  • 'Mimomys monahani belongs to Mimomys'
  • 'Mimomys parvus is recombined as Ophiomys parvus'
  • 'Miniopterus belongs to Vespertilionidae'
  • 'Mirounga belongs to Monachinae'
  • 'Mirounga angustirostris belongs to Mirounga'
  • 'Molossidae belongs to Microchiroptera'
  • 'Molossides is a subjective synonym of Eumops' according to R. Martin 1972
  • 'Molossides is a subjective synonym of Eumops'
  • 'Molossides floridanus is a subjective synonym of Eumops glaucinus'
  • 'Molossides floridanus is recombined as Eumops floridanus' according to R. Martin 1972
  • 'Molossus perotis is recombined as Eumops perotis'
  • 'Molossus perotis belongs to Molossus' according to Schinz 1821
  • 'Monachinae belongs to Phocidae'
  • 'Monachus belongs to Monachinae'
  • 'Mormoopidae belongs to Microchiroptera'
  • 'Mormoops belongs to Mormoopidae'
  • 'Mormoops megaphylla belongs to Mormoops'
  • 'Morotherium leptonyx is a subjective synonym of Megalonyx leptostomus'
  • 'Mus bursarius belongs to Mus' according to Shaw 1800
  • 'Mus bursarius is recombined as Geomys bursarius'
  • 'Mus cinereus is recombined as Neotoma cinerea'
  • 'Mus cinereus belongs to Mus' according to Ord 1815
  • 'Mus floridanus is recombined as Neotoma floridana'
  • 'Mus floridanus belongs to Mus' according to Ord 1818
  • 'Mus hudsonius is recombined as Dicrostonyx hudsonius'
  • 'Mus hudsonius is recombined as Dicrostonyx hudsonius' according to Gloger 1841
  • 'Mus hudsonius belongs to Mus' according to Pallas 1778
  • 'Mus humulis is recombined as Reithrodontomys humulis'
  • 'Mus humulis belongs to Mus' according to Audubon and Bachman 1841
  • 'Mus monax is recombined as Marmota monax'
  • 'Mus pennsylvanicus is recombined as Microtus pennsylvanicus'
  • 'Mus pennsylvanicus belongs to Mus' according to Ord 1815
  • 'Mus polionotus is recombined as Peromyscus polionotus'
  • 'Mus polionotus belongs to Mus' according to Wagner 1843
  • 'Mus torquatus is recombined as Dicrostonyx torquatus'
  • 'Mus volans is recombined as Glaucomys volans'
  • 'Musculus leucopus belongs to Musculus' according to Rafinesque 1818
  • 'Musculus leucopus is recombined as Peromyscus leucopus'
  • 'Mustela belongs to Mustelinae'
  • 'Mustela diluviana is recombined as Martes diluviana'
  • 'Mustela erminea belongs to Mustela'
  • 'Mustela eversmanni belongs to Mustela'
  • 'Mustela frenata belongs to Mustela'
  • 'Mustela gazini is a subjective synonym of Mustela rexroadensis'
  • 'Mustela gulo is recombined as Gulo gulo'
  • 'Mustela lutra canadensis is recombined as Lutra canadensis'
  • 'Mustela lutris is recombined as Enhydra lutris'
  • 'Mustela meltoni belongs to Mustela'
  • 'Mustela nigripes belongs to Mustela'
  • 'Mustela pennanti is recombined as Martes pennanti'
  • 'Mustela reliquus is a subjective synonym of Mustela frenata'
  • 'Mustela rexroadensis belongs to Mustela'
  • 'Mustela zibellina americana is recombined as Martes americana'
  • 'Mustelidae belongs to Fissipedia'
  • 'Mustelinae belongs to Mustelidae'
  • 'Mylodon is a subjective synonym of Glossotherium'
  • 'Mylodon is a subjective synonym of Glossotherium' according to Hofstetter 1952
  • 'Mylodon is a subjective synonym of Glossotherium' according to Simpson 1945
  • 'Mylodon belongs to Mylodontidae' according to Owen 1859
  • 'Mylodon garmani is a subjective synonym of Glossotherium harlani'
  • 'Mylodon garmani belongs to Mylodon' according to Allen 1913
  • 'Mylodon renidens is a subjective synonym of Glossotherium harlani'
  • 'Mylodon sodalis is a subjective synonym of Glossotherium harlani'
  • 'Mylodon sodalis belongs to Mylodon' according to Cope 1878
  • 'Mylodon sulcidens is a subjective synonym of Glossotherium harlani'
  • 'Mylodontidae belongs to Edentata'
  • 'Mylohyus belongs to Tayassuidae'
  • 'Mylohyus browni is a subjective synonym of Mylohyus nasutus'
  • 'Mylohyus exortivus is a subjective synonym of Mylohyus nasutus'
  • 'Mylohyus gidleyi is a subjective synonym of Mylohyus nasutus'
  • 'Mylohyus gidleyi belongs to Mylohyus' according to Simpson 1929
  • 'Mylohyus tetragonus is a subjective synonym of Mylohyus nasutus'
  • 'Mylohyus tetragonus belongs to Mylohyus' according to Cope 1899
  • 'Myotis belongs to Vespertilionae'
  • 'Myotis grisecens belongs to Myotis'
  • 'Myotis mangamolaris belongs to Myotis'
  • 'Myotis rectidens is corrected as Myotis rectidentis and belongs to Myotis'
  • 'Myotis sodalis belongs to Myotis'
  • 'Myotis thysanodes belongs to Myotis'
  • 'Myzopoda belongs to Myzopodidae'
  • 'Nannippus beckensis belongs to Nannippus'
  • 'Napaeozapus belongs to Zapodidae'
  • 'Navahoceros belongs to Odocoileinae'
  • 'Nebraskomys belongs to Microtinae'
  • 'Nebraskomys mcgrewi belongs to Nebraskomys'
  • 'Nebraskomys rexroadensis belongs to Nebraskomys'
  • 'Nebraskomys taylori is recombined as Ophiomys taylori'
  • 'Necromantis belongs to Megadermatidae'
  • 'Nekrolagus belongs to Leporinae'
  • 'Neochoerus belongs to Hydrochoeridae'
  • 'Neofiber belongs to Microtinae'
  • 'Neofiber alleni belongs to Neofiber'
  • 'Neofiber leonardi belongs to Neofiber'
  • 'Neomeryx finni is a subjective synonym of Antilocapra americana'
  • 'Neosorex lacustris is recombined as Sorex lacustris'
  • 'Neotoma belongs to Cricetinae'
  • 'Neotoma albigula belongs to Neotoma'
  • 'Neotoma fossilis belongs to Neotoma'
  • 'Neotoma fuscipes belongs to Neotoma'
  • 'Neotoma lepida belongs to Neotoma'
  • 'Neotoma magister is a subjective synonym of Neotoma floridana'
  • 'Neotoma magister is a subjective synonym of Neotoma floridana' according to Schwartz and Odum 1957
  • 'Neotoma magister is a subjective synonym of Neotoma pennsylvanica' according to Poole 1940
  • 'Neotoma magister belongs to Neotoma' according to Baird 1857
  • 'Neotoma mexicana belongs to Neotoma'
  • 'Neotoma micropus belongs to Neotoma'
  • 'Neotoma taylori belongs to Neotoma'
  • 'Nerterogeomys belongs to Geomyidae'
  • 'Nothrotheriops belongs to Megatheriidae'
  • 'Nothrotherium graciliceps is a subjective synonym of Nothrotheriops shastensis' according to Paula Couto 1971
  • 'Nothrotherium graciliceps is a subjective synonym of Nothrotherium shastense' according to Stock 1925
  • 'Nothrotherium graciliceps belongs to Nothrotherium' according to Stock 1913
  • 'Nothrotherium graciliceps is a subjective synonym of Nothrotheriops shastensis'
  • 'Nothrotherium shastense is recombined as Nothrotheriops shastensis'
  • 'Nothrotherium shastense is recombined as Nothrotheriops shastensis' according to Paula Couto 1971
  • 'Nothrotherium shastense belongs to Nothrotherium' according to Sinclair 1905
  • 'Nothrotherium texanum is a subjective synonym of Nothrotheriops shastensis'
  • 'Nothrotherium texanum is a subjective synonym of Nothrotheriops shastensis' according to Paula Couto 1971
  • 'Nothrotherium texanum is a subjective synonym of Nothrotherium shastense' according to Lull 1929
  • 'Nothrotherium texanum belongs to Nothrotherium' according to Hay 1916
  • 'Notiosorex belongs to Soricidae'
  • 'Notiosorex jacksoni belongs to Notiosorex'
  • 'Notolagus belongs to Archaeolaginae'
  • 'Notonycteris belongs to Phyllostomatidae'
  • 'Nyctalus belongs to Vespertilionidae'
  • 'Nycticeius belongs to Vespertilionae'
  • 'Nyctinomus belongs to Molossidae'
  • 'Nyctinomus brasiliensis is recombined as Tadarida brasiliensis'
  • 'Nyctinomus brasiliensis is recombined as Tadarida brasiliensis' according to R. Martin 1972
  • 'Nyctinomus brasiliensis belongs to Nyctinomus' according to Geoffroy 1824
  • 'Nyctophylinae belongs to Vespertilionidae'
  • 'Ochotona belongs to Ochotonidae'
  • 'Ochotona whartoni belongs to Ochotona'
  • 'Ochotonidae belongs to Lagomorpha'
  • 'Ochrotomys belongs to Cricetinae'
  • 'Odobaenidae is corrected as Odobenidae and belongs to Pinnipedia'
  • 'Odobenus belongs to Odobenidae'
  • 'Odocoileinae belongs to Cervidae'
  • 'Odocoileus belongs to Odocoileinae'
  • 'Odocoileus brachydontus belongs to Odocoileus'
  • 'Odocoileus cascensis is a subjective synonym of Odocoileus hemionus'
  • 'Odocoileus cooki is a subjective synonym of Odocoileus virginianus'
  • 'Odocoileus halli belongs to Odocoileus' according to Alvarez 1969
  • 'Odocoileus halli is a subjective synonym of Navahoceros fricki'
  • 'Odocoileus sheridanus is a subjective synonym of Odocoileus virginianus'
  • 'Ogmodontomys belongs to Microtinae'
  • 'Ogmodontomys poaphagus belongs to Ogmodontomys'
  • 'Onager altidens is a subjective synonym of Equus hemionus'
  • 'Onager arellanoi is a subjective synonym of Equus excelsus'
  • 'Onager hibbardi is a subjective synonym of Equus excelsus'
  • 'Ondatra belongs to Microtinae'
  • 'Ondatra idahoensis belongs to Ondatra'
  • 'Ondatra kansasensis is a subjective synonym of Ondatra annectens'
  • 'Ondatra triradicatus is a subjective synonym of Ondatra nebrascensis'
  • 'Onychomys belongs to Cricetinae'
  • 'Onychomys fossilis belongs to Onychomys'
  • 'Onychomys gidleyi belongs to Onychomys'
  • 'Onychomys jinglebobensis belongs to Onychomys'
  • 'Onychomys pedroensis belongs to Onychomys'
  • 'Ophiomys belongs to Microtinae'
  • 'Ophiomys fricki belongs to Ophiomys'
  • 'Ophiomys magilli belongs to Ophiomys'
  • 'Oreamnos belongs to Caprinae'
  • 'Oreamnos harringtoni belongs to Oreamnos'
  • 'Oryctomys bottae is recombined as Thomomys bottae'
  • 'Oryctomys bottae belongs to Oryctomys' according to Eydoux and Gervais 1836
  • 'Oryzomys belongs to Cricetinae'
  • 'Oryzomys fossilis is a subjective synonym of Oryzomys palustris'
  • 'Oryzomys palustris belongs to Oryzomys'
  • 'Osmotherium belongs to Mephitinae'
  • 'Osmotherium spelaeum belongs to Osmotherium'
  • 'Osteoborus crassapineatus is a subjective synonym of Borophagus direptor'
  • 'Osteoborus crassipinaetus belongs to Osteoborus' according to Olsen 1956
  • 'Osteoborus crassipinaetus is a subjective synonym of Borophagus direptor'
  • 'Osteoborus hilli is a subjective synonym of Borophagus direptor'
  • 'Osteoborus progressus is a subjective synonym of Borophagus direptor'
  • 'Osteoborus progressus belongs to Osteoborus' according to Hibbard 1944
  • 'Otaria californiana is recombined as Zalophus californianus'
  • 'Otariina was reranked as the family Otariidae and belongs to Pinnipedia'
  • 'Otognosis longimembris belongs to Otognosis' according to Coues 1875
  • 'Otognosis longimembris is recombined as Perognathus longimembris'
  • 'Ovibos belongs to Caprinae'
  • 'Ovibos cavifrons is recombined as Symbos cavifrons'
  • 'Ovibos giganteus is a subjective synonym of Symbos cavifrons'
  • 'Ovibos proximus is a subjective synonym of Ovibos moschatus'
  • 'Ovibos yukonensis is a subjective synonym of Ovibos moschatus'
  • 'Ovis belongs to Caprinae'
  • 'Ovis canadensis belongs to Ovis'
  • 'Ovis catclawensis is a subjective synonym of Ovis canadensis'
  • 'Ovis catclawensis is recombined as Ovis canadensis catclawensis' according to Harris and Mundel 1974
  • 'Ovis dalli belongs to Ovis'
  • 'Paenemarmota belongs to Sciuridae'
  • 'Paenemarmota barbouri belongs to Paenemarmota'
  • 'Palaeochiropteryx belongs to Archaeonycterididae'
  • 'Palaeolama belongs to Camelidae'
  • 'Palaeonycteris belongs to Rhinolophidae'
  • 'Palaeophyllopora belongs to Hipposideridae'
  • 'Paleptesicus belongs to Vespertilionidae'
  • 'Pampatheriinae belongs to Dasypodidae'
  • 'Panthera belongs to Felinae'
  • 'Panthera palaeoonca [misspelled as Dinofelis paleoonca] belongs to Dinofelis'
  • 'Parabos dodsoni is recombined as Platycerabos dodsoni'
  • 'Paracryptotis belongs to Soricidae'
  • 'Paracryptotis rex belongs to Paracryptotis'
  • 'Paradipoides belongs to Castoridae'
  • 'Paradipoides stovalli belongs to Paradipoides'
  • 'Parageomys tobinensis is recombined as Geomys tobinensis'
  • 'Parahodomys is a subjective synonym of Neotoma'
  • 'Parahodomys belongs to ' according to Gidley and Gazin 1933
  • 'Parahodomys quadriplicatus is recombined as Neotoma quadriplicata'
  • 'Parahodomys spelaeus is recombined as Neotoma spelaea'
  • 'Parailurus belongs to Ailurinae'
  • 'Paramylodon is a subjective synonym of Glossotherium' according to Simpson 1945
  • 'Paramylodon is a subjective synonym of Glossotherium'
  • 'Paramylodon is a subjective synonym of Glossotherium' according to Hofstetter 1952
  • 'Paramylodon nebrascensis is a subjective synonym of Glossotherium harlani'
  • 'Paraphyllophora belongs to Hipposideridae'
  • 'Parascalops belongs to Talpidae'
  • 'Parelephas is a subjective synonym of Mammuthus'
  • 'Parelephas progressus is a subjective synonym of Mammuthus jeffersonii'
  • 'Parelephas progressus belongs to Parelephas' according to Osborn 1942
  • 'Pediolagus is a subjective synonym of Nekrolagus'
  • 'Pediolagus progressus is recombined as Nekrolagus progressus'
  • 'Pelycictis lobulatus is a subjective synonym of Osmotherium spelaeum'
  • 'Perodipus ingens is recombined as Dipodomys ingens'
  • 'Perodipus ingens belongs to Perodipus' according to Merriam 1904
  • 'Perognathinae belongs to Heteromyidae'
  • 'Perognathus belongs to Perognathinae'
  • 'Perognathus apache belongs to Perognathus'
  • 'Perognathus californicus belongs to Perognathus'
  • 'Perognathus flavus belongs to Perognathus'
  • 'Perognathus gidleyi belongs to Perognathus'
  • 'Perognathus hispidus belongs to Perognathus'
  • 'Perognathus inornatus belongs to Perognathus'
  • 'Perognathus intermedius belongs to Perognathus'
  • 'Perognathus magnus belongs to Perognathus'
  • 'Perognathus pearlettensis belongs to Perognathus'
  • 'Perognathus rexroadensis belongs to Perognathus'
  • 'Peromyscus belongs to Cricetinae'
  • 'Peromyscus anyapahensis belongs to Peromyscus'
  • 'Peromyscus baumgartneri belongs to Peromyscus'
  • 'Peromyscus berendsensis belongs to Peromyscus'
  • 'Peromyscus brachygnathus is recombined as Baiomys brachygnathus'
  • 'Peromyscus cochrani belongs to Peromyscus'
  • 'Peromyscus cragini belongs to Peromyscus'
  • 'Peromyscus cumberlandensis belongs to Peromyscus'
  • 'Peromyscus eliasi is recombined as Bensonomys eliasi'
  • 'Peromyscus eliasi is recombined as Bensonomys eliasi' according to Hibbard 1956
  • 'Peromyscus eliasi is recombined as Calomys eliasi' according to Czaplewski 1987
  • 'Peromyscus hagermanensis belongs to Peromyscus'
  • 'Peromyscus imperfectus belongs to Peromyscus'
  • 'Peromyscus irvingtonensis belongs to Peromyscus'
  • 'Peromyscus kansasensis belongs to Peromyscus'
  • 'Peromyscus minimus is recombined as Baiomys minimus'
  • 'Peromyscus nesodytes belongs to Peromyscus'
  • 'Peromyscus oklahomensis belongs to Peromyscus'
  • 'Peromyscus pectoralis belongs to Peromyscus'
  • 'Peromyscus progressus belongs to Peromyscus'
  • 'Phenacomys belongs to Microtinae'
  • 'Phenacomys intermedius belongs to Phenacomys'
  • 'Phenacomys primaevus belongs to Phenacomys' according to Hibbard 1937
  • 'Phenacomys primaevus is recombined as Pliophenacomys primaevus'
  • 'Phenacomys primaevus is recombined as Pliophenacomys primaevus' according to Hibbard 1972
  • 'Phoca belongs to Phocinae'
  • 'Phoca barbata is recombined as Erignathus barbatus'
  • 'Phoca cristata is recombined as Cystophora cristata'
  • 'Phoca groenlandica belongs to Phoca'
  • 'Phoca grypus is recombined as Halichoerus grypus'
  • 'Phoca hispida belongs to Phoca'
  • 'Phoca jubata is recombined as Eumetopias jubata'
  • 'Phoca rosmarus is recombined as Odobenus rosmarus'
  • 'Phoca tropicalis is recombined as Monachus tropicalis'
  • 'Phoca ursina is recombined as Callorhinus ursinus'
  • 'Phoca vitulina belongs to Phoca'
  • 'Phocidae belongs to Pinnipedia'
  • 'Phocinae belongs to Phocidae'
  • 'Phyllostomatidae belongs to Microchiroptera'
  • 'Phyllostomatinae belongs to Phyllostomatidae'
  • 'Pinnipedia was reranked as a suborder and belongs to Carnivora'
  • 'Pipistrellus belongs to Vespertilionae'
  • 'Pitymys aratai is recombined as Microtus aratai'
  • 'Pitymys cumberlandensis is recombined as Microtus cumberlandensis'
  • 'Pitymys cumberlandensis belongs to Pitymys' according to van der Meulen 1978
  • 'Pitymys hibbardi is recombined as Microtus hibbardi'
  • 'Pitymys hibbardi belongs to Pitymys' according to Holman 1959
  • 'Pitymys mcnowni is recombined as Microtus mcnowni'
  • 'Pitymys meadensis is recombined as Microtus meadensis'
  • 'Pitymys meadensis is recombined as Microtus meadensis' according to van der Meulen 1978
  • 'Pitymys meadensis belongs to Pitymys' according to Hibbard 1944
  • 'Planisorex belongs to Soricidae'
  • 'Platycerabos belongs to Bovinae'
  • 'Platygonus belongs to Tayassuidae'
  • 'Platygonus bicalcaratus belongs to Platygonus'
  • 'Platygonus compressus belongs to Platygonus'
  • 'Platygonus cumberlandensis is a subjective synonym of Platygonus vetus'
  • 'Platygonus intermediatus is a subjective synonym of Platygonus vetus'
  • 'Platygonus intermediatus belongs to Platygonus' according to J. W. Gidley 1921
  • 'Platygonus intermedius belongs to Platygonus'
  • 'Platygonus leptorhinus is a subjective synonym of Platygonus compressus'
  • 'Platygonus leptorhinus belongs to Platygonus' according to Williston 1894
  • 'Platygonus pearcei belongs to Platygonus'
  • 'Platygonus texanus is a subjective synonym of Platygonus bicalcaratus'
  • 'Platygonus vetus belongs to Platygonus'
  • 'Plecotus belongs to Vespertilionae'
  • 'Plecotus townsendii belongs to Plecotus'
  • 'Plesiothomomys potomacensis is recombined as Thomomys potomacensis'
  • 'Plesippus is a subjective synonym of Equus'
  • 'Plesippus is a subjective synonym of Equus' according to Skinner et al. 1972
  • 'Plesippus shoshonensis is a subjective synonym of Equus simplicidens'
  • 'Pliauchenia (Megatylopus) was reranked as Megatylopus and belongs to Camelidae'
  • 'Pliauchenia cochrani is recombined as Megatylopus cochrani'
  • 'Pliauchenia spatula is recombined as Titanotylopus spatulus'
  • 'Pliogeomys belongs to Geomyidae'
  • 'Pliogeomys parvus belongs to Pliogeomys'
  • 'Pliohippus francescana is a subjective synonym of Equus simplicidens'
  • 'Pliohippus proversus is a subjective synonym of Equus simplicidens'
  • 'Pliohippus proversus is a subjective synonym of Equus simplicidens' according to Skinner et al. 1972
  • 'Pliolemmus belongs to Microtinae'
  • 'Pliolemmus antiquus belongs to Pliolemmus'
  • 'Pliomys belongs to Microtinae'
  • 'Pliomys deeringensis belongs to Pliomys'
  • 'Pliophenacomys belongs to Microtinae'
  • 'Pliophenacomys finneyi belongs to Pliophenacomys'
  • 'Pliophenacomys idahoensis is a subjective synonym of Ophiomys taylori'
  • 'Pliophenacomys meadensis is recombined as Ophiomys meadensis'
  • 'Pliophenacomys osborni belongs to Pliophenacomys'
  • 'Pliopotamys belongs to Microtinae'
  • 'Pliopotamys meadensis belongs to Pliopotamys'
  • 'Podomys is a subjective synonym of Peromyscus'
  • 'Podomys belongs to Cricetidae' according to Carleton 1980
  • 'Porthocyon dubius is a subjective synonym of Borophagus diversidens'
  • 'Porthocyon matthewi belongs to Porthocyon' according to Freudenberg 1910
  • 'Porthocyon matthewi is a subjective synonym of Borophagus diversidens'
  • 'Praeovibos belongs to Caprinae'
  • 'Praeovibos priscus belongs to Praeovibos'
  • 'Praotherium palatinum is a nomen dubium'
  • 'Praotherium palatinum is recombined as Lagomys palatinus' according to Cope 1899
  • 'Praotherium palatinum belongs to Praotherium' according to Cope 1871
  • 'Pratilepus belongs to Leporinae'
  • 'Pratilepus kansasensis belongs to Pratilepus'
  • 'Predicrostonyx belongs to Microtinae'
  • 'Predicrostonyx hopkinsi belongs to Predicrostonyx'
  • 'Preptoceras mayfieldi is recombined as Soergelia mayfieldi'
  • 'Preptoceras sinclairi is a subjective synonym of Euceratherium collinum'
  • 'Procastoroides belongs to Castoridae'
  • 'Procastoroides idahoensis belongs to Procastoroides'
  • 'Procastoroides sweeti belongs to Procastoroides'
  • 'Procyon belongs to Procyoninae'
  • 'Procyon nanus is a subjective synonym of Procyon lotor'
  • 'Procyon nanus belongs to Procyon' according to Simpson 1929
  • 'Procyon priscus is a subjective synonym of Procyon lotor'
  • 'Procyon priscus belongs to Procyon' according to Leidy 1856
  • 'Procyon rexroadensis belongs to Procyon'
  • 'Procyon simus is a subjective synonym of Procyon lotor'
  • 'Procyon simus belongs to Procyon' according to Gidley 1906
  • 'Procyonidae belongs to Fissipedia'
  • 'Procyoninae belongs to Procyonidae'
  • 'Prodipodomys belongs to Dipodomyinae'
  • 'Prodipodomys idahoensis belongs to Prodipodomys'
  • 'Prodipodomys rexroadensis is a subjective synonym of Prodipodomys centralis'
  • 'Proneofiber belongs to Microtinae'
  • 'Proneofiber guildayi belongs to Proneofiber'
  • 'Protocyon belongs to Canidae'
  • 'Psammomys pinetorum is recombined as Microtus pinetorum'
  • 'Psammomys pinetorum belongs to Psammomys' according to Le Conte 1830
  • 'Pseudostoma castanops is recombined as Cratogeomys castanops'
  • 'Pseudostoma castanops is recombined as Cratogeomys castanops' according to R. Russell and Baker 1955
  • 'Pseudostoma castanops is recombined as Cratogeomys castanops' according to R. Russell and Baker 1955
  • 'Pseudostoma castanops is recombined as Cratogeomys castanops' according to Miller and Kellogg 1955
  • 'Pseudostoma castanops is recombined as Cratogeomys castanops' according to Nelson and Goldman 1934
  • 'Pseudostoma castanops is recombined as Cratogeomys castanops' according to C. Merriam 1895
  • 'Putorius rixosus is recombined as Mustela rixosa'
  • 'Putorius vison is recombined as Mustela vison'
  • 'Rangifer belongs to Odocoileinae'
  • 'Rangifer fricki is recombined as Navahoceros fricki'
  • 'Rangifer muscatinensis is a subjective synonym of Rangifer tarandus'
  • 'Reithrodon megalotis is recombined as Reithrodontomys megalotis'
  • 'Reithrodon megalotis belongs to Reithrodon' according to Baird 1858
  • 'Reithrodon montanus is recombined as Reithrodontomys montanus'
  • 'Reithrodon montanus belongs to Reithrodon' according to Baird 1855
  • 'Reithrodontomys belongs to Cricetinae'
  • 'Reithrodontomys fulvescens belongs to Reithrodontomys'
  • 'Reithrodontomys pratincola belongs to Reithrodontomys'
  • 'Reithrodontomys rexroadensis belongs to Reithrodontomys'
  • 'Rhinolophus belongs to Rhinolophidae'
  • 'Rhinonycteris belongs to Hipposideridae'
  • 'Rhynchotherium belongs to Gomphotheriidae'
  • 'Rhynchotherium falconeri is a subjective synonym of Rhynchotherium praecursor'
  • 'Rupicapra americana is recombined as Oreamnos americanus'
  • 'Rupicapra americana is recombined as Oreamnos americanus' according to Hall and Kelson 1959
  • 'Rupicapra americana is recombined as Oreamnos americanus' according to Hall and Kellogg 1955
  • 'Saiga belongs to Caprinae'
  • 'Saiga ricei is a subjective synonym of Saiga tatarica'
  • 'Sangamona belongs to Odocoileinae'
  • 'Sangamona fugitiva belongs to Sangamona'
  • 'Satherium belongs to Lutrinae'
  • 'Scalops latimanus is recombined as Scapanus latimanus'
  • 'Scalopus belongs to Talpidae'
  • 'Scalopus breweri is recombined as Parascalops breweri'
  • 'Scalopus breweri is recombined as Parascalops breweri' according to True 1894
  • 'Scalopus breweri belongs to Scalopus' according to Bachman 1842
  • 'Scapanus belongs to Talpidae'
  • 'Scaphoceros tyrelli is a subjective synonym of Symbos cavifrons'
  • 'Schistodelta sulcatus is a subjective synonym of Neofiber diluvianus'
  • 'Schistodelta sulcatus is a subjective synonym of Neofiber diluvianus' according to Hibbard 1955
  • 'Schistodelta sulcatus belongs to Schistodelta' according to Cope 1899
  • 'Sciuridae belongs to Rodentia'
  • 'Sciurus belongs to Sciuridae'
  • 'Sciurus alleni belongs to Sciurus'
  • 'Sciurus arizonensis belongs to Sciurus'
  • 'Sciurus carolinensis belongs to Sciurus'
  • 'Sciurus douglasii is recombined as Tamiasciurus douglasii'
  • 'Sciurus douglasii belongs to Sciurus' according to Bachman 1839
  • 'Sciurus hudsonicus is recombined as Tamiasciurus hudsonicus'
  • 'Sciurus hudsonicus belongs to Sciurus' according to Erxleben 1777
  • 'Sciurus lateralis is recombined as Spermophilus lateralis'
  • 'Sciurus lateralis belongs to Sciurus' according to Say 1823
  • 'Sciurus mexicanus is recombined as Spermophilus mexicanus'
  • 'Sciurus mexicanus belongs to Sciurus' according to Erxleben 1877
  • 'Sciurus niger belongs to Sciurus'
  • 'Sciurus sabrinus is recombined as Glaucomys sabrinus'
  • 'Sciurus sabrinus belongs to Sciurus' according to Shaw 1801
  • 'Sciurus striatus is recombined as Tamias striatus' according to Baird 1857
  • 'Sciurus striatus belongs to Sciurus' according to Linnaeus 1758
  • 'Sciurus striatus is recombined as Tamias striatus'
  • 'Sciurus striatus is recombined as Tamias striatus' according to Howell 1929
  • 'Sciurus striatus is recombined as Tamias striatus' according to Allen 1891
  • 'Sciurus tenuidens is a subjective synonym of Tamiasciurus hudsonicus'
  • 'Sciurus tenuidens belongs to Sciurus' according to Hay 1920
  • 'Sciurus tridecemlineatus is recombined as Spermophilus tridecemlineatus'
  • 'Sciurus tridecemlineatus belongs to Sciurus' according to Mitchell 1821
  • 'Sciurus variegatus is recombined as Spermophilus variegatus'
  • 'Sciurus variegatus belongs to Sciurus' according to Erxleben 1777
  • 'Scotophilus belongs to Vespertilionidae'
  • 'Scotophilus hesperus is recombined as Pipistrellus hesperus'
  • 'Scotophilus hesperus belongs to Scotophilus' according to H. Allen 1864
  • 'Sigmodon belongs to Cricetinae'
  • 'Sigmodon bakeri belongs to Sigmodon'
  • 'Sigmodon curtisi belongs to Sigmodon'
  • 'Sigmodon hilli is a subjective synonym of Sigmodon medius'
  • 'Sigmodon hispidus belongs to Sigmodon'
  • 'Sigmodon hudspethensis belongs to Sigmodon'
  • 'Sigmodon intermedius is a subjective synonym of Sigmodon medius'
  • 'Sigmodon medius belongs to Sigmodon'
  • 'Sigmodon minor is a subjective synonym of Sigmodon medius'
  • 'Sigmodon ochrognathus belongs to Sigmodon'
  • 'Simocyoninae belongs to Canidae'
  • 'Simonycteris stocki is recombined as Histiotus stocki'
  • 'Simonycteris stocki belongs to Simonycteris' according to Stirton 1931
  • 'Smilodon belongs to Machairodontinae'
  • 'Smilodon californicus is a subjective synonym of Smilodon fatalis'
  • 'Smilodon gracilis belongs to Smilodon'
  • 'Smilodon nebraskensis is a subjective synonym of Smilodon fatalis'
  • 'Smilodon trinitiensis is a subjective synonym of Smilodon fatalis'
  • 'Smilodontopsis is a subjective synonym of Smilodon'
  • 'Smilodontopsis conardi is a subjective synonym of Smilodon fatalis'
  • 'Smilodontopsis mooreheadi is a subjective synonym of Acinonyx trumani'
  • 'Smilodontopsis troglodytes is a subjective synonym of Smilodon fatalis'
  • 'Sminthosinis [misspelled as Sminthosinus] belongs to Grisoninae'
  • 'Sminthosinis bowleri [misspelled as Sminthosinus bowleri] belongs to Sminthosinus'
  • 'Soergelia belongs to Caprinae'
  • 'Soergelia elisabethae is a subjective synonym of Soergelia mayfieldi'
  • 'Soergelia elisabethae belongs to Soergelia' according to Schaub 1951
  • 'Sorex belongs to Soricidae'
  • 'Sorex aquaticus is recombined as Scalopus aquaticus'
  • 'Sorex aquaticus is recombined as Scalopus aquaticus' according to Geoffroy 1803
  • 'Sorex aquaticus belongs to Sorex' according to Linnaeus 1758
  • 'Sorex arcticus belongs to Sorex'
  • 'Sorex brevicaudus is recombined as Blarina brevicauda'
  • 'Sorex brevicaudus is recombined as Blarina brevicauda' according to Baird 1858
  • 'Sorex brevicaudus belongs to Sorex' according to Say 1823
  • 'Sorex cinereus belongs to Sorex'
  • 'Sorex crawfordi is recombined as Notiosorex crawfordi'
  • 'Sorex cristatus belongs to Sorex' according to Linnaeus 1758
  • 'Sorex cristatus is recombined as Condylura cristata'
  • 'Sorex cristatus is recombined as Condylura cristata' according to Illinger 1811
  • 'Sorex cudahyensis belongs to Sorex'
  • 'Sorex dispar belongs to Sorex'
  • 'Sorex dixonensis is recombined as Planisorex dixonensis'
  • 'Sorex franktownensis is a subjective synonym of Sorex cinereus'
  • 'Sorex franktownensis belongs to Sorex' according to Peterson 1926
  • 'Sorex fumeus belongs to Sorex'
  • 'Sorex hagermanensis belongs to Sorex'
  • 'Sorex hoyi is recombined as Microsorex hoyi'
  • 'Sorex kansasensis belongs to Sorex'
  • 'Sorex leahyi belongs to Sorex'
  • 'Sorex longirostris belongs to Sorex'
  • 'Sorex megapalustris belongs to Sorex'
  • 'Sorex meltoni belongs to Sorex'
  • 'Sorex merriami belongs to Sorex'
  • 'Sorex ornatus belongs to Sorex'
  • 'Sorex palustris belongs to Sorex'
  • 'Sorex parvus is recombined as Cryptotis parva'
  • 'Sorex personatus is a subjective synonym of Sorex cinereus'
  • 'Sorex personatus belongs to Sorex' according to Brown 1908
  • 'Sorex powersi belongs to Sorex'
  • 'Sorex rexroadensis belongs to Sorex'
  • 'Sorex sandersi belongs to Sorex'
  • 'Sorex saussurei belongs to Sorex'
  • 'Sorex scottensis belongs to Sorex'
  • 'Sorex taylori belongs to Sorex'
  • 'Sorex trowbridgii belongs to Sorex'
  • 'Sorex vagrans belongs to Sorex'
  • 'Soricidae belongs to Insectivora'
  • 'Spermophilus belongs to Sciuridae'
  • 'Spermophilus armatus belongs to Spermophilus'
  • 'Spermophilus boothi belongs to Spermophilus'
  • 'Spermophilus gunnisoni is recombined as Cynomys gunnisoni'
  • 'Spermophilus gunnisoni is recombined as Cynomys gunnisoni' according to Hollister 1916
  • 'Spermophilus gunnisoni is recombined as Cynomys gunnisoni' according to Baird 1858
  • 'Spermophilus gunnisoni belongs to Spermophilus' according to Baird 1855
  • 'Spermophilus johnstoni [misspelled as Spermophilus johnsoni] belongs to Spermophilus'
  • 'Spermophilus spilosoma belongs to Spermophilus'
  • 'Spilogale belongs to Mephitinae'
  • 'Spilogale gracilis belongs to Spilogale'
  • 'Spilogale gracilis belongs to Spilogale' according to Mead 1968
  • 'Spilogale marylandensis is a subjective synonym of Spilogale putorius'
  • 'Spilogale pedroensis belongs to Spilogale' according to Gazin 1942
  • 'Spilogale pedroensis is a subjective synonym of Spilogale putorius'
  • 'Spilogale rexroadi belongs to Spilogale'
  • 'Stegomastodon belongs to Gomphotheriidae'
  • 'Stegomastodon arizonae is a subjective synonym of Stegomastodon mirificus'
  • 'Stegomastodon arizonae belongs to Stegomastodon' according to Gidley 1926
  • 'Stegomastodon primitivus is a subjective synonym of Stegomastodon mirificus'
  • 'Stegomastodon primitivus belongs to Stegomastodon' according to Osborn 1936
  • 'Stegomastodon rexroadensis is a subjective synonym of Stegomastodon mirificus'
  • 'Stegomastodon texanus is a subjective synonym of Stegomastodon mirificus'
  • 'Stehlinia belongs to Vespertilionidae'
  • 'Stockoceros belongs to Antilocapridae'
  • 'Sylvilagus belongs to Leporinae'
  • 'Sylvilagus bensonensis is recombined as Aluralagus bensonensis'
  • 'Sylvilagus leonensis belongs to Sylvilagus'
  • 'Sylvilagus palustrellus is a subjective synonym of Sylvilagus leonensis'
  • 'Sylvilagus palustrellus belongs to Sylvilagus' according to Gazin 1950
  • 'Symbos belongs to Caprinae'
  • 'Symbos australis is a subjective synonym of Symbos cavifrons'
  • 'Symbos australis belongs to Symbos' according to Brown 1908
  • 'Symbos convexifrons is a subjective synonym of Symbos cavifrons'
  • 'Symbos promptus is a subjective synonym of Symbos cavifrons'
  • 'Symmetrodontomys belongs to Cricetinae'
  • 'Symmetrodontomys simplicidens belongs to Symmetrodontomys'
  • 'Synaptomys belongs to Microtinae'
  • 'Synaptomys anzaensis belongs to Synaptomys'
  • 'Synaptomys australis belongs to Synaptomys'
  • 'Synaptomys bunkeri belongs to Synaptomys'
  • 'Synaptomys cooperi belongs to Synaptomys'
  • 'Synaptomys kansasensis belongs to Synaptomys'
  • 'Synaptomys landesi belongs to Synaptomys'
  • 'Synaptomys meltoni belongs to Synaptomys'
  • 'Synaptomys rinkeri belongs to Synaptomys'
  • 'Synaptomys vetus belongs to Synaptomys'
  • 'Tadarida belongs to Molossidae'
  • 'Tadarida constantinei belongs to Tadarida'
  • 'Talpini was reranked as the family Talpidae and belongs to Insectivora'
  • 'Tamias belongs to Sciuridae'
  • 'Tamias aristus belongs to Tamias'
  • 'Tamias leucurus is recombined as Ammospermophilus leucurus'
  • 'Tamias minimus is recombined as Eutamias minimus' according to Howell 1929
  • 'Tamias minimus is recombined as Eutamias minimus' according to Miller and Rehn 1901
  • 'Tamias minimus belongs to Tamias' according to Bachman 1839
  • 'Tamias minimus is recombined as Eutamias minimus'
  • 'Tamiasciurus belongs to Sciuridae'
  • 'Tanupolama blancoensis is recombined as Hemiauchenia blancoensis'
  • 'Tanupolama mirifica is recombined as Palaeolama mirifica'
  • 'Tanupolama seymourensis is a subjective synonym of Hemiauchenia blancoensis'
  • 'Taphozous belongs to Emballonuridae'
  • 'Tapiridae belongs to Perissodactyla'
  • 'Tapirus belongs to Tapiridae'
  • 'Tapirus copei belongs to Tapirus'
  • 'Tapirus excelsus is a subjective synonym of Tapirus veroensis'
  • 'Tapirus excelsus belongs to Tapirus' according to Simpson 1945
  • 'Tapirus haysii is a subjective synonym of Tapirus copei'
  • 'Tapirus haysii californicus is recombined as Tapirus californicus'
  • 'Tapirus merriami belongs to Tapirus'
  • 'Tapirus tennesseae is a subjective synonym of Tapirus veroensis'
  • 'Tapirus tennesseae is a nomen dubium' according to Simpson 1945
  • 'Tapirus veroensis belongs to Tapirus'
  • 'Tatu bellus is recombined as Dasypus bellus'
  • 'Tatu bellus belongs to Tatu' according to Simpson 1930
  • 'Taurotragus americanus is a subjective synonym of Euceratherium collinum'
  • 'Taxidea belongs to Melinae'
  • 'Taxidea marylandica is a subjective synonym of Taxidea taxus'
  • 'Taxidea marylandica is a subjective synonym of Taxidea taxus' according to Hall and Kelson 1959
  • 'Taxidea robusta is a subjective synonym of Taxidea taxus'
  • 'Taxidea sulcata is a subjective synonym of Taxidea taxus'
  • 'Tayassuidae belongs to Artiodactyla'
  • 'Teonoma spelaea is a subjective synonym of Neotoma cinerea'
  • 'Teonoma spelaea belongs to Teonoma' according to Sinclair 1905
  • 'Tetrameryx belongs to Antilocapridae'
  • 'Tetrameryx conklingi is recombined as Stockoceros conklingi'
  • 'Tetrameryx falkenbachi is recombined as Hayoceros falkenbachi'
  • 'Tetrameryx irvingtonensis belongs to Tetrameryx'
  • 'Tetrameryx knoxensis belongs to Tetrameryx'
  • 'Tetrameryx mooseri belongs to Tetrameryx'
  • 'Tetrameryx onusrosagris is recombined as Stockoceros onusrosagris'
  • 'Tetrameryx tacubayensis belongs to Tetrameryx'
  • 'Thomomys belongs to Geomyidae'
  • 'Thomomys gidleyi belongs to Thomomys'
  • 'Thomomys microdon belongs to Thomomys'
  • 'Thomomys orientalis belongs to Thomomys'
  • 'Tisisthenes belongs to Mustelinae'
  • 'Tisisthenes parvus belongs to Tisisthenes'
  • 'Titanotylopus belongs to Camelidae'
  • 'Titanotylopus nebraskensis belongs to Titanotylopus'
  • 'Tremarctinae belongs to Ursidae'
  • 'Tremarctos belongs to Tremarctinae'
  • 'Tremarctos mexicanus is a subjective synonym of Tremarctos floridanus'
  • 'Tremarctotherium is a subjective synonym of Arctodus'
  • 'Tremarctotherium belongs to ' according to Kraglievich 1926
  • 'Trichechidae belongs to Sirenia'
  • 'Trichechus belongs to Trichechidae'
  • 'Trichechus manatus belongs to Trichechus'
  • 'Trigonictis belongs to Grisoninae'
  • 'Trigonictis kansasensis is a subjective synonym of Trigonictis idahoensis'
  • 'Trucifelis is a subjective synonym of Smilodon'
  • 'Trucifelis is a subjective synonym of Smilodon' according to Slaughter 1963
  • 'Trucifelis is a subjective synonym of Smilodon' according to J. Merriam and Stock 1932
  • 'Uncia mercerii is recombined as Machaerodus mercerii' according to Slaughter 1960
  • 'Uncia mercerii is recombined as Machaerodus mercerii' according to Matthew 1918
  • 'Uncia mercerii is recombined as Smilodontopsis mercerii' according to Brown 1908
  • 'Uncia mercerii is recombined as Smilodon mercerii' according to Cope 1899
  • 'Uncia mercerii is a subjective synonym of Smilodon gracilis'
  • 'Uncia mercerii is a subjective synonym of Ischyrosmilus gracilis' according to Churcher 1984
  • 'Urocyon belongs to Canidae'
  • 'Urocyon atwaterensis is a subjective synonym of Urocyon cinereoargenteus'
  • 'Urocyon minicephalus is a subjective synonym of Urocyon cinereoargenteus'
  • 'Urocyon progressus belongs to Urocyon'
  • 'Ursidae belongs to Fissipedia'
  • 'Ursinae belongs to Ursidae'
  • 'Ursus belongs to Ursinae'
  • 'Ursus (Euarctos) vitabilis is a subjective synonym of Ursus americanus'
  • 'Ursus abstrusus belongs to Ursus'
  • 'Ursus americanus belongs to Ursus'
  • 'Ursus amplidens is a subjective synonym of Ursus americanus'
  • 'Ursus amplidens belongs to Ursus' according to Leidy 1853
  • 'Ursus arctos belongs to Ursus'
  • 'Ursus haplodon is a subjective synonym of Arctodus pristinus'
  • 'Ursus haplodon is a subjective synonym of Arctodus pristinus' according to Kurten 1967
  • 'Ursus horribilis is a subjective synonym of Ursus arctos'
  • 'Ursus horribilis belongs to Ursus' according to Ord 1815
  • 'Ursus lotor is recombined as Procyon lotor'
  • 'Ursus lotor belongs to Ursus' according to Linnaeus 1758
  • 'Ursus luscus is recombined as Gulo luscus' according to Sabine 1823
  • 'Ursus luscus belongs to Ursus' according to Linnaeus 1758
  • 'Ursus luscus is a subjective synonym of Gulo gulo'
  • 'Ursus luscus is a subjective synonym of Gulo gulo' according to Kurten and Rausch 1959
  • 'Ursus maritimus belongs to Ursus'
  • 'Ursus optimus is a subjective synonym of Ursus americanus'
  • 'Ursus procerus is a subjective synonym of Ursus arctos'
  • 'Ursus taxus is recombined as Taxidea taxus'
  • 'Urus priscus is recombined as Bison priscus'
  • 'Urus priscus belongs to Urus' according to Bojanus 1827
  • 'Vampyravus belongs to Phyllostomatidae'
  • 'Vesperimus difficilis is recombined as Peromyscus difficilis'
  • 'Vesperimus difficilis belongs to Vesperimus' according to Allen 1891
  • 'Vespertiliavus belongs to Emballonuridae'
  • 'Vespertilio belongs to Vespertilionidae'
  • 'Vespertilio austroriparius is recombined as Myotis austroriparius'
  • 'Vespertilio austroriparius belongs to Vespertilio' according to Rhoads 1897
  • 'Vespertilio borealis is recombined as Lasiurus borealis'
  • 'Vespertilio borealis belongs to Vespertilio' according to Muller 1776
  • 'Vespertilio californicus belongs to Vespertilio' according to Audubon and Bachman 1842
  • 'Vespertilio californicus is recombined as Myotis californicus'
  • 'Vespertilio cinereus is recombined as Lasiurus cinereus'
  • 'Vespertilio cinereus belongs to Vespertilio' according to Palisot de Beauvois 1796
  • 'Vespertilio evotis is recombined as Myotis evotis'
  • 'Vespertilio evotis belongs to Vespertilio' according to H. Allen 1864
  • 'Vespertilio fuscus is recombined as Eptesicus fuscus'
  • 'Eptesicus grandis is a subjective synonym of Eptesicus fuscus'
  • 'Vespertilio humeralis is recombined as Nycticeius humeralis'
  • 'Vespertilio humeralis belongs to Vespertilio' according to Rafinesque 1818
  • 'Vespertilio keenii is recombined as Myotis keenii'
  • 'Vespertilio keenii belongs to Vespertilio' according to C. Merriam 1895
  • 'Vespertilio leibi is recombined as Myotis leibi'
  • 'Vespertilio leibi belongs to Vespertilio' according to Audubon and Bachman 1842
  • 'Vespertilio lucifugus is recombined as Myotis lucifugus'
  • 'Vespertilio lucifugus belongs to Vespertilio' according to Le Conte 1831
  • 'Vespertilio noctivagans is recombined as Lasionycteris noctivagans'
  • 'Vespertilio noctivagans belongs to Vespertilio' according to Le Conte 1831
  • 'Vespertilio pallidus is recombined as Antrozous pallidus'
  • 'Vespertilio pallidus belongs to Vespertilio' according to Le Conte 1856
  • 'Vespertilio rafinesquii is recombined as Plecotus rafinesquii'
  • 'Vespertilio rafinesquii belongs to Vespertilio' according to Lesson 1818
  • 'Vespertilio subflavus is recombined as Pipistrellus subflavus'
  • 'Vespertilio subflavus belongs to Vespertilio' according to F. Cuvier 1832
  • 'Vespertilio velifer is recombined as Myotis velifer'
  • 'Vespertilio velifer belongs to Vespertilio' according to J. Allen 1890
  • 'Vespertilio volans is recombined as Myotis volans'
  • 'Vespertilio volans belongs to Vespertilio' according to H. Allen 1866
  • 'Vespertilionae belongs to Vespertilionidae'
  • 'Vespertilionidae belongs to Microchiroptera'
  • 'Viverra mephitis is recombined as Mephitis mephitis'
  • 'Viverra putorius is recombined as Spilogale putorius'
  • 'Vulpes belongs to Canidae'
  • 'Vulpes fulva is a subjective synonym of Vulpes vulpes'
  • 'Vulpes fulva is a subjective synonym of Vulpes vulpes' according to Churcher 1959
  • 'Vulpes fulva belongs to Vulpes' according to Desmarest 1829
  • 'Vulpes littoralis is recombined as Canis littoralis' according to Van Gelder 1978
  • 'Vulpes littoralis belongs to Vulpes' according to Baird 1857
  • 'Vulpes littoralis is recombined as Urocyon littoralis'
  • 'Vulpes macrotis belongs to Vulpes'
  • 'Vulpes macrotis belongs to Vulpes' according to C. Merriam 1888
  • 'Vulpes palmaria is a subjective synonym of Vulpes vulpes'
  • 'Vulpes palmaria belongs to Vulpes' according to Hay 1917
  • 'Xenoglyptodon fredericensis is a subjective synonym of Glyptotherium arizonae'
  • 'Xenoglyptodon fredericensis is recombined as Glyptodon fredericensis' according to Melton 1964
  • 'Xenoglyptodon fredericensis belongs to Xenoglyptodon' according to Meade 1953
  • 'Zalophus belongs to Otariidae'
  • 'Zapodidae belongs to Rodentia'
  • 'Zapus belongs to Zapodidae'
  • 'Zapus adamsi is a subjective synonym of Zapus hudsonius'
  • 'Zapus burti belongs to Zapus'
  • 'Zapus insignis is recombined as Napaeozapus insignis'
  • 'Zapus insignis is recombined as Napaeozapus insignis' according to R. Anderson 1942
  • 'Zapus insignis is recombined as Napaeozapus insignis' according to Prince 1941
  • 'Zapus insignis is recombined as Napaeozapus insignis' according to C. Jackson 1919
  • 'Zapus insignis is recombined as Napaeozapus insignis' according to G. Miller 1900
  • 'Zapus insignis belongs to Zapus' according to Miller 1891
  • 'Zapus princeps belongs to Zapus'
  • 'Zapus rinkeri belongs to Zapus'
  • 'Zapus sandersi belongs to Zapus'