ammonites

Taxonomic names from P. A. Jell and J. M. Adrain 2003

  • Acadolenus, Sdzuy 1967 [Ellipsocephalidae]
  • Acrocephalitidae, family, Hupé 1953 [Ptychopariida]
  • Aeglina, Barrande 1850 [Cyclopygidae]
  • Agnostus pusillus, Tullberg 1880 [Peronopsidae]
  • Agraulidae, family, Raymond 1913 [Ptychopariida]
  • Aksayaspis, Ergaliev 2001 [Cheilocephalidae]
  • Aksayaspis convexus, Ergaliev 2001 [Cheilocephalidae]
  • Alborsella, Kushan 1973 [Ptychaspididae]
  • Aldonaiidae, family, Hupé 1953 [Ptychopariida]
  • Alsataspididae, family, Turner 1940 [Asaphida]
  • Altaiaspis, Ivshin 1960 [Eulomidae]
  • Altiplanelaspis, Pribyl and Vanek 1980 [Trilobita]
  • Amgaspididae, family, Chernysheva 1960 [Corynexochida]
  • Anapliomera, Demott 1987 [Pliomeridae]
  • Anasobella, Campbell 1967 [Cheiruridae]
  • Andesaspis, Kobayashi 1935 [Olenidae]
  • Andrarinidae, family, Raymond 1937 [Asaphida]
  • Anomocaraspis, Ivshin 1953 [Proasaphiscidae]
  • Anomocarellidae, family, Hupé 1955 [Asaphida]
  • Antagmidae, family, Hupé 1953 [Ptychopariida]
  • Aocaspis, Dolambi and Gond 1992 [Nileidae]
  • Aphelaspididae, family, Palmer 1960 [Asaphida]
  • Araiocaris, Pribyl and Vanek 1980 [Asaphidae]
  • Archaeuloma, Li 1978 [Eulomidae]
  • Areiaspis, Pribyl and Vanek 1964 [Cheiruridae]
  • Armonia, Walcott 1924 [Marjumiidae]
  • Atopidae, family, Hupé 1953 [Ptychopariida]
  • Auritamidae, family, Opik 1967 [Asaphida]
  • Australoacaste, Benedetto and Martel 1976 [Calmoniidae]
  • Australoscutellum, Chatterton and Campbell 1980 [Styginidae]
  • Babinops, Feist and Becker 1997 [Phacopidae]
  • Baniaspis, Destombes 1972 [Acastidae]
  • Bathycheilidae, family, Pribyl 1953 [Phacopida]
  • Bavarillidae, family, Sdzuy 1957 [Phacopida]
  • Bellacartwrightia, Lieberman and Kloc 1997 [Acastidae]
  • Benedettia, Toro and Mondali 1981 [Pliomeridae]
  • Bessazoon, Curtis and Lane 1998 [Dalmanitidae]
  • Bigotinidae, family, Hupé 1953 [Ptychopariida]
  • Bigranulella, Shaw and Clark 1968 [Solenopleuridae]
  • Blountina, Lochmann 1944 [Asaphiscidae]
  • Bohemillidae, family, Barrande 1872 [Asaphida]
  • Bohemolichas, Pribyl and Vanek 1972 [Lichidae]
  • Bolaspididae, family, Howell and Moore 1959 [Ptychopariida]
  • Brachyaspis, Salter 1866 [Asaphidae]
  • Branisaspis, Pribyl and Vanek 1980 [Asaphidae]
  • Calmoniidae, family, Delo 1935 [Phacopida]
  • Caphyra, Barrande 1847 [Remopleurididae]
  • Carinopyge, Maksimova 1955 [Pterygometopidae]
  • Cedariidae, family, Raymond 1937 [Ptychopariida]
  • Centriproetus, Snajdr 1977 [Tropidocoryphidae]
  • Changqingia intermedia (Walcott 1906) [Solenopleuridae]
  • Chatiania, Yang 1977 [Corynexochidae]
  • Chattiaspis, Struve 1958 [Dalmanitidae]
  • Cheilocephalidae, family, Shaw 1956 [Corynexochida]
  • Chimaerastella, Gandl 1972 [Acastidae]
  • Chlustinia, Pribyl and Vanek 1965 [Odontopleuridae]
  • Chungkingaspis, Lu 1962 [Olenidae]
  • Coignouina, Reed 1943 [Aulacopleuridae]
  • Conocephalites, Barrande 1852 [Conocoryphidae]
  • Conocoryphidae, family, Angelin 1854 [Ptychopariida]
  • Conokephalinidae, family, Hupé 1953 [Ptychopariida]
  • Conoparia, Hawle and Corda 1847 [Aulacopleuridae]
  • Conophrys, Callaway 1877 [Shumardiidae]
  • Corynexochidae, family, Angelin 1854 [Corynexochida]
  • Costadiscus, Babcock 1994 [Weymouthiidae]
  • Cyclopagnostus, Howell 1937 [Spinagnostidae]
  • Cyclopygidae, family, Raymond 1925 [Asaphida]
  • Cyrtometopella, Nikolaisen 1961 [Cheiruridae]
  • Damesellidae, family, Kobayashi 1935 [Lichida]
  • Deanokephalus, Pillet 1992 [Remopleurididae]
  • Decordinaspis, Harper and Romano 1967 [Trinucleidae]
  • Deiradonyx, Opik 1982 [Dolichometopidae]
  • Dekalymene, Curtis and Lane 1998 [Calymenidae]
  • Delgadoa, Thadeau 1947 [Styginidae]
  • Diceratocephalus armatus, Lu 1954 [Diceratocephalidae]
  • Dikelocephalidae, family, Miller 1889 [Asaphida]
  • Dinesidae, family, Lermontova 1940 [Corynexochida]
  • Dionididae, family, Gürich 1907 [Asaphida]
  • Dokimocephalidae, family, Kobayashi 1935 [Ptychopariida]
  • Douposiella, Lu and Zhang 1974 [Ptychopariidae]
  • Edelsteinaspididae, family, Hupé 1953 [Corynexochida]
  • Elbaspis, Baldis and Blasco 1973 [Odontopleuridae]
  • Elimaproetus, Curtis and Lane 1997 [Proetidae]
  • Ellipsocephalidae, family, Matthew 1887 [Ptychopariida]
  • Ellipsocephaloididae, family, Hupé 1955 [Ptychopariida]
  • Elvinaspis, Ergaliev 2001 [Elviniidae]
  • Elvinaspis explicatus, Ergaliev 2001 [Elviniidae]
  • Elviniidae, family, Kobayashi 1935 [Ptychopariida]
  • Eohomalonotus, Reed 1918 [Homalonotidae]
  • Eomalungia, Lee 1978 [Estaingiidae]
  • Eopiriproetus, Alberti 1966 [Tropidocoryphidae]
  • Eosoptychoparia, Zhang 1963 [Ptychopariidae]
  • Eosoptychopyge, Zhang 1981 [Asaphidae]
  • Ermanella, Maksimova 1955 [Bathyuridae]
  • Estaingia, Pocock 1964 [Estaingiidae]
  • Estaingiidae, family, Opik 1970 [Ptychopariida]
  • Eucalymene, Lu 1975 [Leiostegiidae]
  • Eurekiidae, family, Hupé 1953 [Asaphida]
  • Exigua, Howell 1937 [Plethopeltidae]
  • Fallagnostus, Howell 1935 [Condylopygidae]
  • Fandianaspis, Lee 1978 [Redlichiida]
  • Fenghuangella, Yang 1977 [Diceratocephalidae]
  • Formosocephalus, Pegel 1982 [Anomocaridae]
  • Fremontia, Raw 1936 [Olenellidae]
  • Fuyunia, Hsiang and Zhang 1981 [Asaphidae]
  • Ganovexopyge, Wolfart 1997 [Alokistocaridae]
  • Geesops, Struve 1972 [Phacopidae]
  • Gerasaphes, Clarke 1897 [Asaphidae]
  • Girvanagnostus, Kobayashi 1939 [Metagnostidae]
  • Glabretina, Lochmann 1965 [Hystricuridae]
  • Glyptagnostidae, family, Whitehouse 1936 [Agnostida]
  • Goldillaenoides, Balashova 1959 [Styginidae]
  • Goldius, L.G. deKoninck 1841 [Styginidae]
  • Goniotelus, Ulrich 1927 [Bathyuridae]
  • Guizhoupliomerops, Zhu and Yin 1978 [Pliomeridae]
  • Hadrocephalites, Sundberg and McCollum 2002 [Ptychopariidae]
  • Hammatocnemis, Kielan 1960 [Pliomeridae]
  • Hanzhongaspis, Chen 1975 [Isocolidae]
  • Harpididae, family, Whittington 1950 [Harpetida]
  • Harringtonacaste, Baldis and Blasco 1976 [Acastidae]
  • Hartella, Matthew 1885 [Conocoryphidae]
  • Hawkinsaspis, Rasetti 1968 [Lonchocephalidae]
  • Hawkinsia, Rasetti 1965 [Lonchocephalidae]
  • Helokybe, Thomas 1979 [Proetidae]
  • Herse, Hawle and Corda 1847 [Solenopleuridae]
  • Holocephalinidae, family, Hupé 1953 [Ptychopariida]
  • Holometopus, Angelin 1854 [Proetidae]
  • Holotrachelidae, family, Warburg 1925 [Proetida]
  • Holubaspis, Pribyl 1950 [Hystricuridae]
  • Homalonotidae, family, Chapman 1890 [Phacopida]
  • Honania, Li 1965 [Proasaphiscidae]
  • Howellaspis, Lochmann and Denson 1944 [Menomoniidae]
  • Hungaiidae, family, Raymond 1924 [Asaphida]
  • Huntoniatonia, Campbell [Dalmanitidae]
  • Hupeidiscus, Zhang 1974 [Tsunyidiscidae]
  • Huzhuia, Zhu 1965 [Solenopleuridae]
  • Hyperagnostus, Kobayashi 1955 [Agnostidae]
  • Hystricuridae, family, Hupé 1953 [Proetida]
  • Iberocoryphe, Hammann 1977 [Homalonotidae]
  • Ichangia ichangensis, Chang 1965 [Estaingiidae]
  • Ichangolithus, Lu 1963 [Trinucleidae]
  • Idahoiidae, family, Lochman 1956 [Asaphida]
  • Ijacephalus, Ogienko 1974 [Acrocephalitidae]
  • Illaenuridae, family, Vodges 1890 [Corynexochida]
  • Inkouia, Zhang and Fan 1960 [Olenidae]
  • Isocolidae, family, Angelin 1854 [Ptychopariida]
  • Ityophoridae, family, Warburg 1925 [Ptychopariida]
  • Jakutidae, family, Suvorova 1950 [Corynexochida]
  • Jangudaspis princeps, Ogienko 1956 [Ptychopariidae]
  • Jialaopsis, Qian and Zhou 1974 [Ptychopariidae]
  • Jixianella, Zhang 2001 [Proasaphiscidae]
  • Josina, Lochmann and Hu 1960 [Menomoniidae]
  • Jujuyops, Baldis and Blasco 1976 [Calmoniidae]
  • Junggarella, Xiang and Zhang 1981 [Cheiruridae]
  • Juraspis, Egorova 1972 [Anomocaridae]
  • Kaolishaniidae, family, Kobayashi 1935 [Corynexochida]
  • Kerberodiscus, Bassett 1976 [Weymouthiidae]
  • Kerfornella, Henry 1976 [Homalonotidae]
  • Kingstoniidae, family, Kobayashi 1933 [Ptychopariida]
  • Klabavia, Pribyl and Vanek 1969 [Asaphidae]
  • Kuraspoides, Ogienko and Garina 1999 [Lonchocephalidae]
  • Kutsingocephalus, Li and Wang 1963 [Proasaphiscidae]
  • Kweichowilla, Zhang 1964 [Shumardiidae]
  • Latiproetus, Lu 1962 [Proetidae]
  • Liangshanaspis, Zhang 1974 [Homalonotidae]
  • Liangshanocephalus, Chen 1975 [Isocolidae]
  • Liaotropis, Schrank 1975 [Kaolishaniidae]
  • Liaotropis tropis, Schrank 1975 [Kaolishaniidae]
  • Lichakephalidae, family, Tripp 1957 [Lichida]
  • Linguocalymene, Tomczykowa 1991 [Calymenidae]
  • Liostracinidae, family, Raymond 1937 [Asaphida]
  • Llanoaspididae, family, Lochmann 1944 [Ptychopariida]
  • Lodenicia, Prantl and Vanek 1958 [Tropidocoryphidae]
  • Lohanpopsis, Lu 1965 [Remopleurididae]
  • Lonchocephalidae, family, Hupé 1953 [Ptychopariida]
  • Lorenzellidae, family, Zhang 1963 [Ptychopariida]
  • Loshanella, Lu 1975 [Remopleurididae]
  • Luyanhaoaspis, Peng 2001 [Asaphiscidae]
  • Marjumiidae, family, Kobayashi 1935 [Ptychopariida]
  • Mcnairia, Deiss 1939 [Alokistocaridae]
  • Megagnostus, Robison 1994 [Agnostida]
  • Megistaspis (Ekeraspis), Tjernvik 1956 [Asaphidae]
  • Meitanillaenus, Zhang 1974 [Styginidae]
  • Mendoparabolina, Rusconi 1951 [Olenidae]
  • Menevia, Lake 1938 [Holocephalinidae]
  • Metadoxididae, family, Whitehouse 1939 [Redlichiida]
  • Metagnostidae, family, Jaekel 1909 [Agnostida]
  • Metaphillipsia, Reed 1943 [Proetidae]
  • Metaredlichioides, Qian and Yao 1974 [Redlichiida]
  • Mimocryphaeus, Gandl 1972 [Acastidae]
  • Missisquoiidae, family, Hupé 1953 [Trilobita]
  • Murphycops, Lespérance 1968 [Phacopidae]
  • Namanoiidae, family, Lermontova 1951 [Trilobita]
  • Nangaoia, Zhou 1974 [Ptychopariidae]
  • Nanshanaspis, Zhang and Fan 1960 [Raphiophoridae]
  • Nelegeria, Korobov 1966 [Ellipsocephalidae]
  • Neoanomocarella, Xiang 1963 [Anomocarellidae]
  • Neolichas, Curtis and Lane 1998 [Lichidae]
  • Neopsilocephalina, Yin 1978 [Nileidae]
  • Nepeidae, family, Whitehouse 1939 [Ptychopariida]
  • Neptunagnostella, Pek 1977 [Metagnostidae]
  • Nerudaspis, Pribyl and Vanek 1965 [Asaphidae]
  • Niuchangella, Zhang 1974 [Scharyiidae]
  • Norwoodiidae, family, Walcott 1916 [Ptychopariida]
  • Notaiella, Ogienko 1974 [Plethopeltidae]
  • Ogygia, A. Brongniart 1817 [unclassified genus]
  • Olenopsis, Bornemann 1891 [Dolerolenidae]
  • Omegops, Struve 1976 [Phacopidae]
  • Onchometopus, Schmidt 1898 [Asaphidae]
  • Paedumias (Walcott 1910) [Olenellidae]
  • Pagetiellus, Lermontova 1940 [Hebediscidae]
  • Pagodiidae, family, Kobayashi 1935 [Corynexochida]
  • Pagometopus, Henningsmoen 1959 [Alsataspididae]
  • Palaeolenidae, family, Hupé 1953 [Ptychopariida]
  • Palquiella, Suárez-Soruco 1975 [Alsataspididae]
  • Panderiidae, family, Bruton 1968 [Corynexochida]
  • Panibole, E. Groning 1985 [Proetidae]
  • Papyriaspididae, family, Whitehouse 1939 [Ptychopariida]
  • Parabolinoididae, family, Lochman 1956 [Asaphida]
  • Parabriscoia, Kobayashi 1935 [Dikelocephalidae]
  • Parachangshania, Qian 1958 [Changshaniidae]
  • Paradamesella, Yang 1977 [Damesellidae]
  • Paradoxididae, family, Hawle and Corda 1847 [Redlichiida]
  • Parakoldinioidia, Endo 1937 [Missisquoiidae]
  • Paranacaste, Popp 1989 [Calmoniidae]
  • Paranomocarella, Yang 1977 [Anomocarellidae]
  • Paraphoreotropis, Shaw 1968 [Diceratocephalidae]
  • Paraplicatolina, Benedetto 1977 [Olenidae]
  • Parapliomera, Maksimova 1962 [Pliomeridae]
  • Paratamdaspis, Ergaliev 2001 [Asaphidae]
  • Paratamdaspis longiformis, Ergaliev 2001 [Asaphidae]
  • Parvidumus, Kobayashi and Hamada 1980 [Proetidae]
  • Pateraspis, Prantl and Pribyl 1947 [Cheiruridae]
  • Pearylandia, Robison 1988 [Marjumiidae]
  • Peltabellia sibirica (Maksimova 1955) [Bathyuridae]
  • Penchiopsis, Lu 1976 [Asaphidae]
  • Petrbokia, Pribyl and Vanek 1965 [Nileidae]
  • Pharostomatidae, family, Hupé 1953 [Phacopida]
  • Phoidagnostoides, Pillet 1978 [Agnostidae]
  • Phylacops, Cooper and Kindle 1936 [Cyclopygidae]
  • Phylacteridae, family, Ludvigsen and Westrop 1989 [Ptychopariida]
  • Pilekiidae, family, Sdzuy 1955 [Phacopida]
  • Plagiurella, Resser 1937 [Ptychopariidae]
  • Platagnostus, Howell 1935 [Phalacromidae]
  • Platylisania, Zhang and Jell 1987 [Lisaniidae]
  • Platymetopus, Angelin 1854 [Lichidae]
  • Platypeltis, Callaway 1877 [Nileidae]
  • Plethopeltidae, family, Raymond 1925 [Ptychopariida]
  • Plethopeltoides, Khramova 1968 [Plethopeltidae]
  • Pliomerina martelli (Reed 1917) [Pliomeridae]
  • Poliellaites, Sundberg and McCollum 2003 [Dolichometopidae]
  • Ponumia, Hu 1970 [Phylacteridae]
  • Poshania, Chang 1959 [Ordosiidae]
  • Pradoella, Hammann 1977 [Calymenidae]
  • Proasaphiscidae, family, Zhang 1963 [Ptychopariida]
  • Proavus, Poletaeva 1972 [Solenopleuridae]
  • Prosopiscidae, family, Fortey and Shergold 1984 [Phacopida]
  • Prostrix, Holloway 1994 [Encrinuridae]
  • Protaitzehoia, Yang 1978 [Damesellidae]
  • Protillaenus, Raymond 1937 [Kingstoniidae]
  • Protolenella conica, Qian and Yao 1974 [Ellipsocephalidae]
  • Protophillipsinella, Chen 1975 [Styginidae]
  • Protoscutellum, Snajdr 1960 [Styginidae]
  • Pseudokoldinella, Timokhin 1988 [Plethopeltidae]
  • Pseudokoldinioidia, Endo 1944 [Missisquoiidae]
  • Pseudolorenzella, Romanenko 1970 [Lorenzellidae]
  • Pseudopetigurus, Prantl and Pribyl 1949 [Isocolidae]
  • Pseudophalacroma, Pokrovskaya 1958 [Ptychagnostidae]
  • Pseudosolenoparia, Zhou 1974 [Solenopleuridae]
  • Pseudospatulina, Hahn 1968 [Proetidae]
  • Pseudotalbotina, Benedetto 1977 [Lonchocephalidae]
  • Psiloyuepingia, Qian and Qiu 1983 [Ceratopygidae]
  • Pterygometopidae, family, Reed 1905 [Phacopida]
  • Ptychoparia theano, Walcott 1905 [Asaphiscidae]
  • Punctularia, Raymond 1937 [Pagodiidae]
  • Qingzhenaspis, Yin 1978 [Zacanthoididae]
  • Qinlingialingia, P. A. Jell and J. M. Adrain 2003 [Anomocaridae]
  • Raaschella, Lochmann 1938 [Lonchocephalidae]
  • Rabuloproetus, Snajdr 1977 [Tropidocoryphidae]
  • Raymondia (Kobayashi 1935) [Raymondinidae]
  • Raymondinidae, family, Clark 1924 [Ptychopariida]
  • Rejkocephalus, Kordule 1990 [Paradoxididae]
  • Remopleuridioides, Harrington and Leanza 1957 [Nileidae]
  • Retamaspis, Hammann 1972 [Dalmanitidae]
  • Reubenella, Lochmann 1966 [Leiostegiidae]
  • Rhax, Lane and Thomas 1978 [Styginidae]
  • Rhaxeros, Lane and Thomas 1980 [Styginidae]
  • Richardsonella laciniosa, Shergold 1972 [Remopleurididae]
  • Rokycania, Pribyl and Vanek 1965 [Nileidae]
  • Rokycanocoryphe, Pribyl and Vanek 1987 [Tropidocoryphidae]
  • Ruzickaia, Pribyl 1950 [Conokephalinidae]
  • Sanbernardaspis, Acenolaza 1973 [Asaphidae]
  • Sarkiidae, family, Hupé 1953 [Trilobita]
  • Schaderthalaspis, Alberti 1983 [Proetidae]
  • Scharyiidae, family, Osmolska 1957 [Proetida]
  • Schizophorus, Balashova 1953 [Asaphidae]
  • Schopfaspis, Palmer and Gatehouse 1972 [Alokistocaridae]
  • Sculptaspis, Nikolaisen 1983 [Remopleurididae]
  • Segmentagnostus, Pek 1977 [Metagnostidae]
  • Semisphaerocephalus, Ivshin 1953 [Ptychopariidae]
  • Serrania, Linan 1978 [Bigotinidae]
  • Shengia, Xiang 1963 [Lisaniidae]
  • Shergoldia, Zhang and Jell 1987 [Tsinaniidae]
  • Shitaia, Qian and Zhang 1983 [Idahoiidae]
  • Silesiops, Chlupác 1966 [Proetidae]
  • Skelipyx, Lane 1971 [Cheiruridae]
  • Solenopleuracea, superfamily, Angelin 1854 [Ptychopariida]
  • Solenopleuridae, family, Angelin 1854 [Ptychopariida]
  • Sonoraspis, Stoyanow 1952 [Dolichometopidae]
  • Spinagnostus, Howell 1935 [Spinagnostidae]
  • Spizharaspis, Ergaliev 2001 [Trilobita]
  • Spizharaspis rarus, Ergaliev 2001 [Trilobita]
  • Struveria, Rickards 1964 [Dalmanitidae]
  • Suriaspis, Acenolaza and Rabano 1990 [Asaphidae]
  • Szeaspis, Chang 1959 [Proasaphiscidae]
  • Szechuanolenus, Zhang and Zhu 1978 [Estaingiidae]
  • Tafilaltaspis, Alberti 1966 [Tropidocoryphidae]
  • Tafnaspis, Leanza and Baldis 1975 [Telephinidae]
  • Tagenarella, Lazarenko 1968 [Llanoaspididae]
  • Tagenarella eniseica, Lazarenko 1968 [Llanoaspididae]
  • Taihangshaniashania, P. A. Jell and J. M. Adrain 2003 [Damesellidae]
  • Taihungshaniidae, family, Sun 1931 [Asaphida]
  • Tangyaia, Lu 1974 [Asaphidae]
  • Tankhella, Chernysheva 1961 [Proasaphiscidae]
  • Taxioura, Resser 1939 [Dorypygidae]
  • Telephus, Barrande 1852 [Telephinidae]
  • Tersella, Petrunina 1973 [Hystricuridae]
  • Tetinia, Chlupác 1971 [Proetidae]
  • Tiresias, McCoy 1846 [Isocolidae]
  • Tolbinella, Egorova 1983 [Redlichiidae]
  • Tricrepicephalidae, family, Palmer 1954 [Ptychopariida]
  • Trigonyangaspis, P. A. Jell and J. M. Adrain 2003 [Ptychopariidae]
  • Tropicoryphe, Snajdr 1977 [Tropidocoryphidae]
  • Tsunyidiscus tingi (Lu 1942) [Tsunyidiscidae]
  • Tukalandaspis, Lazarenko 1968 [Ptychopariidae]
  • Tukalandaspis egens, Lazarenko 1968 [Ptychopariidae]
  • Tumidulaspis, Romanenko 1967 [Catillicephalidae]
  • Typhloniscus, Salter 1856 [Calmoniidae]
  • Uriarra, Chatterton and Campbell 1980 [Odontopleuridae]
  • Utaspis, Robison 1964 [Alokistocaridae]
  • Utiidae, family, Kobayashi 1935 [Ptychopariida]
  • Vistoia, Walcott 1925 [Zacanthoididae]
  • Voigtaspis, Alberti 1967 [Tropidocoryphidae]
  • Waisfeldaspis, Vaccari 2001 [Styginidae]
  • Wanshania, Rong and Yang 1977 [Leiostegiidae]
  • Westergaardella, Kobayashi 1962 [Conokephalinidae]
  • Xenocyclopyge, Lu 1962 [Cyclopygidae]
  • Xinjiangia, Zhang 1981 [Raphiophoridae]
  • Yinganaspis, Zhang 1981 [Shumardiidae]
  • Yuehsienszella, Zhang 1963 [Antagmidae]
  • Yunnanocephalidae, family, Hupé 1953 [Ptychopariida]
  • Zaplaops, Baldis and Blasco 1976 [Phacopidae]
  • Zetaproetus, Snajdr 1983 [Tropidocoryphidae]
  • Zhujia, Ju 1983 [Tsinaniidae]