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Libristoma

Trilobita

Synonymy list
YearName and author
1990Libristoma Fortey
1994Libristoma Hughes
2002Libristoma Ebach and McNamara

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
RankNameAuthor
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
subclassLibristoma
subclassLibristoma

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Subcl. †Libristoma Fortey 1990
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Or. †Asaphida Salter 1864
+
G. †Aethodionide Zhou and Ju 1983
Fm. †Anomocarellidae Hupé 1955
+
G. †Anomocarella Walcott 1905
+
Anomocarella chinensis Walcott 1905
Anomocarella glabera Yang et al. 1993
Anomocarella spatha Mason 1935
Anomocarella stenorachis Kobayashi 1961
Anomocarella zushimiaoensis Yang et al. 1993
G. †Eoanomocarella Zhang and Wang 1985
G. †Fissanomocarella Peng et al. 1995
+
Fissanomocarella paibiensis Peng et al. 1995
G. †Hanshania Zhang and Wang 1985
G. †Huayuania Peng et al. 1995
+
Huayuania subcalva Peng et al. 1995
G. †Liocare Suvorova 1981
G. †Liopeishania Chang 1963
+
Liopeishania leura Yang et al. 1993
Liopeishania lubrica Chang 1957
Liopeishania marginata Resser and Endo 1937
Liopeishania spannensis Palmer and Gatehouse 1972
G. †Liopelta Suvorova 1981
G. †Luia Chang 1959
G. †Lydiaspis Suvorova 1981
G. †Megalopsis Qian 1983
G. †Neoanomocarella Xiang 1963
+
Neoanomocarella asiatica Hsiang 1963
Invalid names: Neoanomocarella asiatica Hsiang 1963 [valid]
G. †Orthodorsum Nan and Zan 1982
G. †Paranomocarella Yang 1977
+
Paranomocarella fortis Peng et al. 1995
Paranomocarella pujiabaensis Yang et al. 1993
Paranomocarella transversa Yang et al. 1993
G. †Peishania Resser and Endo 1935
+
Invalid names: Parapeishania Qiu 1983 [synonym]
G. †Peishanoides Qiu 1983
G. †Plebiellus Zhang et al. 1980
+
Plebiellus latilimbatus Zhang et al. 1980
Plebiellus lugouensis Yang et al. 1993
Plebiellus obsoletus Zhang et al. 1980
Fm. †Anomocaridae Poulsen 1927
+
G. †Abharella Wittke 1984
G. †Afghanocare Wolfart 1975
+
Afghanocare guizhouensis Yuan and Yin 1998
Afghanocare truncatum Peng 1987
G. †Amginia Pegel 1981
G. †Anomocare Angelin 1854
+
Anomocare convexa Walcott 1911
Anomocare laeve Angelin 1852
Anomocare laevis Angelin 1851
G. †Anomocarina Lermontova 1940
+
Anomocarina absona Rozova 1964
Anomocarina excavata Angelin 1851
Anomocarina perrara Rozova 1964
Anomocarina splendens Lermontova 1940
G. †Anomocarioides Lermontova 1940
+
Anomocarioides amplus Rozova 1964
Anomocarioides tersus Rozova 1964
G. †Anomocariopsis Sivov 1955
G. †Callaspis Zhang 1983
G. †Chondranomocare Pospelov and Fedyanina 1958
+
Chondranomocare australis Palmer and Gatehouse 1972
G. †Dilatalimbus Ogienko 1991
G. †Elandaspis Egorova 1982
G. †Eocatuniella Egorova 1969
G. †Forchhammeria Lermontova and Chernysheva 1950
G. †Formosocephalus Pegel 1982
G. †Fuquania Zhao and Huang 1981
+
Fuquania conica Zhao and Huang 1981
Fuquania gelaobaoensis Zhao and Huang 1981
G. †Glyphanellus Ivshin 1953
G. †Glyphaspellus Ivshin 1952
+
Glyphaspellus sinensis Peng et al. 2004
G. †Guizhouanomocare Li 1978
G. †Hanivella Sivov 1955
G. †Harataspis Egorova and Savitsky 1969
G. †Hunanaspis Zhou 1977
G. †Igarkiella Rozova 1964
+
Igarkiella igarkaensis Rozova 1964
G. †Iohomia Hu 1971
G. †Irinia Egorova and Savitsky 1968
G. †Jimanomocare Yuan and Yin 1998
+
Jimanomocare nanum Yuan and Yin 1998
G. †Juraspis Egorova 1972
G. †Kokuria Kobayashi 1935
G. †Kolbinella Repina 1960
G. †Kotuia Kobayashi 1943
G. †Lomsucaspis Lazarenko and Datsenko 1967
G. †Longxumenia Guo and Duan 1978
G. †Macrotoxus Lorenz 1906
G. †Metanomocare Lermontova 1940
+
Metanomocare honestum Rozova 1964
Metanomocare perbonum Rozova 1964
G. †Nadiyella Romanenko 1988
G. †Paibianomocare Peng et al. 2004
+
Paibianomocare lineatum Peng et al. 2004
Paibianomocare paibiense Peng et al. 2004
G. †Palella Howell 1937
G. †Paracoosia Kobayashi 1936
+
Paracoosia huayuanensis Peng et al. 2004
Paracoosia kingi Wittke 1984
Invalid names: Manchurocephalus Endo 1944 [synonym]
G. †Parakotuia Zhu 1960
G. †Paranomocare Li and Yin 1978
G. †Pjatkovaspellus Hajrullina 1973
G. †Qinlingialingia Jell and Adrain 2002
+
Qinlingialingia henanensis Yang et al. 1993
Qinlingialingia magnoccipitis Yang et al. 1993
Qinlingialingia transversa Yang et al. 1993
Invalid names: Qinlingia Yang et al. 1993 [replaced]
G. †Rectifrontinella Drygant and Konstantynenko 2001
G. †Russiana Özdikmen 2009
+
Russiana polita Pegel 1986
Invalid names: Scintilla Pegel 1986 [replaced]
G. †Sachaspis Egorova 1969
G. †Schoriecare Rozova 1964
+
Schoriecare latum Lazarenko 1960
Schoriecare ratum Rozova 1964
G. †Schoriella Sivov 1955
G. †Sivovella Poletaeva 1967
G. †Usovinurus Ivshin 1960
G. †Wutingshania Chu 1959
+
Wutingshania lui Chu 1959
G. †Yongwolia Kobayashi 1962
Superfm. †Anomocaroidea Poulsen 1927
+
G. †Leichneyella Opik 1967
Subor. †Asaphina Salter 1864
+
Superfm. †Asaphacea Burmeister 1843
+
Invalid names: Dikelocephalinidae Kobayashi 1936 [empty]
Invalid names: Illaenacea Corda 1847 [empty]
Superfm. †Asaphoidea Salter 1864
+
Fm. †Asaphidae Burmeister 1843
+
G. †Anataphrus Whittington 1954
+
Anataphrus borraeus Whittington 1954
Anataphrus kermiti Amati 2014
Anataphrus martinensis Ross and Shaw 1972
Anataphrus megalophrys Amati 2014
Anataphrus spurius Phleger, Jr. 1933
G. †Asaphellus Callaway 1877
+
Asaphellus artus Robison and Pantoja-Alor 1968
Asaphellus aspinus Robison and Pantoja-Alor 1968
Asaphellus catamarcensis Kobayashi 1935
Asaphellus clarksoni Tortello and Esteban 2016
Asaphellus communis Robison and Pantoja-Alor 1968
Asaphellus graffi Thoral 1946
Asaphellus homfrayi Salter 1866
+
Invalid names: Hemigyraspis affinus McCoy 1849 [synonym]
Asaphellus isabelae Meroi Arcerito et al. 2015
Asaphellus jujuanus Harrington 1937
Asaphellus nazarenensis Tortello and Esteban 2014
Asaphellus riojanus Harrington and Leanza 1957
Asaphellus stenorhachis Harrington 1938
Asaphellus trinodosus Chang 1949
Invalid names: Asaphelloides Kobayashi 1937 [synonym], Asaphoon Hutchison and Ingham 1967 [synonym], Hemigyraspis Raymond 1910 [synonym], Megalaspidella Kobayashi 1937 [synonym], Plesiomegalaspis Thoral 1946 [synonym]
Subfm. †Asaphinae Burmeister 1843
+
G. †Asaphus Brongniart 1822
+
Invalid names: Schizophorus Balashova 1953 [synonym]
G. †Lonchobasilicus Zhou 1980
+
Invalid names: Sinomegalaspis Qu 1982 [synonym]
G. †Ogygitella Harrington and Leanza 1957
G. †Pseudobasilicus Reed 1930
G. †Pseudomegalaspis Jaanusson 1953
G. †Atopasaphus Shergold 1971
+
Atopasaphus petasatus Shergold 1971
G. †Aulacoparia Hintze and Jaanusson 1956
+
Subg. †Aulacoparia (Aulacoparia) Hintze and Jaanusson 1956
Subg. †Aulacoparia (Aulacoparina) Hintze and Jaanusson 1956
G. †Australopyge Harrington and Leanza 1957
+
Australopyge acanthura Harrington and Leanza 1957
Australopyge russoi Harrington and Leanza 1957
G. †Basilicus Salter 1849
+
Subg. †Basilicus (Basiliella) Kobayashi 1934
Basilicus asper Zhou and Fortey 1986
Basilicus jinlini Zhou and Fortey 1986
Basilicus laeviculus Raymond 1925
Basilicus mckeei Ross 1970
Basilicus tyrannus Murchison 1839
Invalid names: Carinobasiliella Pribyl and Vanek 1980 [synonym], Dolerobasilicus Harrington and Leanza 1942 [synonym], Mekynophrys Harrington 1938 [synonym], Parabasilicus Kobayashi 1934 [synonym]
G. †Bellefontia Walcott 1924
+
Bellefontia ibexensis Hintze 1953
G. †Birmanites Sheng 1934
+
Birmanites akchiensis Ghobadi Pour et al. 2011
Birmanites brevicus Xiang and Zhou 1987
Birmanites latus Angelin 1851
Birmanites qilangensis Zhang 1981
G. †Bohemopyge Pribyl 1951
G. †Borogothus Tjernvik 1956
G. †Brachyaspis Salter 1866
+
Brachyaspis alacer Billings 1866
Brachyaspis altilis Raymond 1912
Brachyaspis australis Whittington 1954
Brachyaspis leptaenarum Warburg 1925
G. †Branisaspis Pribyl and Vanek 1980
G. †Burminresia Laurie and Shergold 1996
+
Burminresia prima Laurie and Shergold 1996
G. †Ectenaspis Raymond 1920
+
Ectenaspis beckeri Slocom 1913
Ectenaspis burkhalteri Amati 2014
Ectenaspis homalonotoides Walcott 1879
G. †Emanuelaspis Laurie and Shergold 1996
+
Subg. †Emanuelaspis (Emanuelaspis) Laurie and Shergold 1996
Subg. †Emanuelaspis (Emanuelina) Laurie and Shergold 1996
G. †Eoasaphus Kobayashi 1936
+
Invalid names: Anorina Whitehouse 1936 [objective synonym]
G. †Eoisotelus Wang 1938
+
Eoisotelus orientalis Wang 1938
+
Invalid names: Eoisotelus mathieui Chang 1950 [synonym], Eoisotelus suni Chang 1950 [synonym]
G. †Fuyunia Hsiang and Zhang 1981
G. †Gerasaphes Clarke 1897
G. †Gogiura Rozova and Dubatolova 1985
G. †Griphasaphus Opik 1967
G. †Guohongjunia Zhang 1999
+
G. †Homalopyge Jaanusson 1956
G. †Hunnebergia Tjernvik 1956
G. †Isabelinia Rabano 1989
+
Isabelinia glabrata Salter 1853
Subfm. †Isotelinae Angelin 1854
+
G. †Golasaphus Shergold 1971
G. †Hoekaspis Kobayashi 1937
G. †Isoteloides Raymond 1910
G. †Isotelus Dekay 1824
+
Invalid names: Homotelus Raymond 1920 [synonym]
G. †Megalaspides Brögger 1886
+
Invalid names: Lannacus Tjernvik 1956 [synonym]
G. †Megistaspis Jaanusson 1956
+
Invalid names: Megalaspis Angelin 1851 [replaced]
G. †Notopeltis Harrington and Leanza 1957
G. †Isyrakopeltis Rosov and Dubatolova 1985
G. †Kainisiliellina Baldis and González 1987
+
Kainisiniella cuyana Baldis and González 1987
G. †Kayseraspis Harrington 1938
+
Subg. †Kayseraspis (Plesiomegalaspis) Thoral 1946
Kayseraspis asaphelloides Harrington 1938
Kayseraspis brackebuschi Harrington 1938
G. †Klabavia Pribyl and Vanek 1969
G. †Kobayashia Harrington 1938
G. †Lachnostoma Ross 1951
+
Lachnostoma disputa Fortey 1975
Lachnostoma platypyga Fortey and Bruton 2013
G. †Lisogorites Chugaeva 1958
+
Lisogorites mistus Zhou et al. 1995
Lisogorites tarimensis Zhang 1981
+
Invalid names: Tangyaia shaerganensis Zhang 1981 [synonym]
Invalid names: Tangyaia Lu 1974 [synonym], Trigonoaspis Koroleva 1961 [synonym]
G. †Lycophron Fortey and Shergold 1984
+
Lycophron freemani Laurie 2006
Lycophron rex Fortey and Shergold 1984
G. †Merlinia Fortey and Owens 1987
+
Merlinia megacantha Leanza 1941
Merlinia murchisoniae Murchison 1839
+
Invalid names: Merlinia menapiensis Hicks 1873 [synonym], Merlinia solvensis Hicks 1873 [synonym]
G. †Metaptychopyge Balashova 1964
+
Metaptychopyge truncata Nieszkowski 1895
G. †Metayuepingia Liu 1977
+
Metayuepingia riccardii Tortello and Esteban 2016
G. †Nahannia Chatterton and Ludvigsen 1976
+
Nahannia humilisulcata Chatterton and Ludvigsen 1976
Nahannia mediocrisulcata Chatterton and Ludvigsen 1976
G. †Neopeltis Zhang 1983
G. †Nerudaspis Pribyl and Vanek 1965
G. †Nileoides Raymond 1920
+
Nileoides perkinsi Raymond 1910
G. †Ningkianites Lu 1975
+
G. †Niobides Harrington and Leanza 1957
+
Niobides armatus Harrington and Leanza 1957
G. †Niobina Lake 1946
+
Niobina taurina Harrington and Leanza 1957
Subfm. †Niobinae Jaanusson 1959
+
G. †Gog Fortey 1975
G. †Lapidaria Tjernvik 1956
G. †Niobe Angelin 1851
Subfm. †Nobiliasaphinae Balashova 1971
+
G. †Liomegalaspides Lu and Chang 1974
G. †Mioptychopyge Zhou et al. 1998
G. †Opsimasaphus Kielan 1960
G. †Nobiliasaphus Pribyl and Vanek 1965
G. †Norasaphus Fortey and Shergold 1984
+
Subg. †Norasaphus (Norasaphites) Fortey and Shergold 1984
Subg. †Norasaphus (Norasaphus) Fortey and Shergold 1984
Subg. †Norasaphus (Shergoldina) Feist and Talent 2000
G. †Norinia Troedsson 1937
+
Norinia cucullata Halle 1927
G. †Ogmasaphus Jaanusson 1953
+
Ogmasaphus costatus Jaanusson 1953
Ogmasaphus jaanussoni Henningsmoen 1960
Ogmasaphus kiaeri Henningsmoen 1960
Ogmasaphus multistriatus Henningsmoen 1960
Ogmasaphus praetextus Törnquist 1884
Ogmasaphus stoermeri Henningsmoen 1960
G. †Ogyginus Raymond 1912
+
Ogyginus armoricanus Tromelin and Lebesconte 1876
Subfm. †Ogygiocarinae Raymond 1913
+
G. †Asaphiscus Meek 1873
G. †Maryvillia Walcott 1916
G. †Orria Walcott 1916
G. †Ogygiocaris Angelin 1854
+
Ogygiocaris araiorhachis Harrington and Leanza 1957
Ogygiocaris concentrica Funquist 1919
Ogygiocaris dilatata Brünnich 1781
Ogygiocaris iruyensis Tortello and Esteban 2016
Ogygiocaris sarsi Angelin 1878
Ogygiocaris striolata Henningsmoen 1960
Invalid names: Araiocaris Pribyl and Vanek 1980 [synonym], Ogygiocarella Harrinton and Leanza 1957 [synonym]
G. †Ogygites Tromelin and Lebescote 1876
G. †Ogygitoides Kobayashi 1934
G. †Onchometopus Schmidt 1898
+
Onchometopus obtusus Hall 1847
G. †Parabellefontia Hintze 1953
+
Parabellefontia concinna Hintze 1953
G. †Paramegalaspis Thoral 1935
+
Invalid names: Dolerasaphus Harrington and Leanza 1957 [synonym]
G. †Paratamdaspis Ergaliev 2001
+
Paratamdaspis longiformis Ergaliev 2001
G. †Penchiopsis Lu 1976
G. †Plectasaphus Jaanusson 1953
+
Plectasaphus plicicostis Törnquist 1884
G. †Popovkiaspis Balashova 1966
+
Popovkiaspis pogrebowi Lamansky 1905
G. †Presbynileus Hintze 1954
+
Subg. †Presbynileus (Presbynileus) Jaanusson 1959
Presbynileus elongatus Hintze 1953
Presbynileus ibexensis Hintze 1953
Presbynileus utahensis Hintze 1953
Invalid names: Paranileus Hintze 1953 [replaced]
G. †Priceaspis Legg 1976
+
Invalid names: Fitzroyaspis Legg 1976 [synonym]
G. †Proasaphus Balashova 1966
+
Proasaphus primus Balashova 1966
Subfm. †Promegalaspidinae Jaanusson 1959
+
G. †Promegalaspides Westergård 1939
G. †Proscharyia Peng 1990
G. †Protopresbynileus Hintze 1954
+
Protopresbynileus divergens Fortey et al. 2024
Invalid names: Pseudonileus Hintze 1953 [replaced]
G. †Protoptychopyge Balashova 1959
G. †Pseudasaphus Schmidt 1901
+
Pseudasaphus tecticaudatus Steinhardt 1874
G. †Pseudoasaphus Schmidt 1901
+
Pseudoasaphus globifrons Eischwald 1857
Pseudoasaphus limatus Jaanusson 1953
G. †Pseudogriphasaphus Peng 1992
+
G. †Pseudogygites Kobayashi 1934
+
+
Invalid names: Pseudogygites canadensis Chapman 1856 [synonym]
G. †Pseudoptyocephalus Legg 1976
G. †Psilocephalina Hsu 1948
+
G. †Ptychopyge Angelin 1854
Subfm. †Ptychopyginae Balashova 1964
+
G. †Eisarkaspis Laurie 2006
G. †Madiganaspis Laurie 2006
G. †Paraptychopyge Balashova 1964
G. †Ptyocephalus Agassiz 1843
+
Kirkella declevita Ross 1951
Ptyocephalus acclivus Hintze 1953
Ptyocephalus vigilans Whittington 1948
Invalid names: Kirkella Kobayashi 1942 [synonym]
G. †Sanbernardaspis Acenolaza 1973
G. †Stegnopsis Whittington 1965
+
Stegnopsis erythragora Amati 2014
Stegnopsis huttoni Billings 1865
Stegnopsis solitarius Whittington 1965
G. †Stenorhachis Hintze and Jaanusson 1956
+
G. †Suriaspis Acenolaza and Rabano 1990
G. †Tchukeraspis Rosov and Dubatolova 1985
G. †Thysanopyge Kayser 1898
+
Thysanopyge argentina Kayser 1898
Thysanopyge clavijoi Harrington and Leanza 1957
Thysanopyge latelimbata Harrington and Leanza 1957
Invalid names: Basilicoides Harrington 1937 [synonym]
G. †Trigonocerca Ross 1951
+
Trigonocerca typica Ross 1951
G. †Trigonocercella Hintze 1953
+
Trigonocercella acuta Hintze 1953
G. †Valdaites Balashova 1976
+
Valdaites aciculatus Angelin 1854
+
Invalid names: Asaphus densistriatus Törnquist 1884 [synonym], Asaphus undulatus Steinhardt 1874 [synonym]
Valdaites limatus Jaanusson 1953
G. †Vogdesia Raymond 1910
+
Vogdesia bearsi Raymond 1905
Vogdesia bromidensis Esker, III 1964
Vogdesia gigas Raymond 1920
Vogdesia minnesotensis Foerste 1886
Vogdesia obtusus Hall 1847
Vogdesia vigilans Meek and Worthen 1870
G. †Xenasaphus Jaanusson 1953
+
Subg. †Xenasaphus (Delphasaphus) Ivantsov 2000
Subg. †Xenasaphus (Xenasaphus) Jaanusson 1953
G. †Xenostegium Walcott 1924
+
Xenostegium shepardi Raymond 1922
G. †Zhenganites Yin 1978
+
Invalid names: Eosoptychoparia Zhang 1963 [synonym], Eosoptychopyge Zhang 1981 [synonym]
G. †Zuninaspis Harrington and Leanza 1957
+
Zuninaspis acuminata Harrington and Leanza 1957
Invalid names: Ogygiinae Raymond 1913 [empty]
Fm. †Ceratopygidae Raymond 1913
+
G. †Ajacicrepida Wengtang and Jell 1987
G. †Asiocephalus Palmer 1968
+
Asiocephalus sulcatus Lisogor 1970
G. †Boschchekulia Lermontova 1951
G. †Ceratopyge Hawle and Corda 1847
+
Ceratopyge forficuloides Harrington and Leanza 1957
Ceratopyge mareki Mergl 1984
G. †Charchaqia Troedsson 1937
+
Charchaqia halli Jago 1991
Charchaqia norini Troedsson 1937
Invalid names: Aplotaspis Henderson 1976 [synonym]
G. †Diceratopyge Troedsson 1937
+
Diceratopyge distalis Peng 1992
Diceratopyge elongata Peng 1983
Diceratopyge mobergi Troedsson 1937
Diceratopyge obesa Peng 1983
G. †Dichelepyge Harrinton and Leanza 1952
+
Dichelepyge pascuali Harrington and Leanza 1952
Invalid names: Bicornipyge Lisogor 1961 [synonym]
G. †Dipleuropyge Lermontova 1951
G. †Haniwoides Kobayashi 1953
+
Haniwoides brevicus Zhang et al. 1980
Haniwoides longus Kobayashi 1935
Haniwoides varia Shergold 1980
Invalid names: Yuepingia Lu 1956 [synonym]
G. †Hedinaspis Troedsson 1951
+
Hedinaspis regalis Troedsson 1937
Hedinaspis shengi Lu 1964
Hedinaspis uniformis Bao and Jago 2000
Invalid names: Hedinia Troedsson 1937 [replaced]
G. †Hunanopyge Peng 1984
+
Hunanopyge sejuncta Peng 1984
G. †Hysterolenus Moberg 1898
Subfm. †Iwayaspidinae Kobayashi 1962
+
G. †Cermatops Shergold 1980
G. †Kaltykelina Petrunina 1973
G. †Kaufmannella Sdzuy 1979
G. †Kogenium Kobayashi 1935
G. †Macropyge Stubblefield 1927
+
Subg. †Macropyge (Promacropyge) Lu 1964
+
Invalid names: Aksapyge Lisogor 1977 [synonym]
Invalid names: Lichapyge Callaway 1874 [synonym]
G. †Macropygella Rosov and Dubatolova 1985
G. †Mansuyella Endo 1937
G. †Nannopeltis Harrington and Leanza 1957
+
Nannopeltis modesta Harrington 1938
G. †Neohedinaspis Xiang and Zhang 1984
G. †Onychopyge Harrington 1938
+
Onychopyge acenolazai Tortello and Esteban 2016
Onychopyge argentina Harrington and Leanza 1957
Onychopyge gonzalezae Tortello and Esteban 2016
Onychopyge longispina Harrington and Leanza 1957
Onychopyge plagiacantha Harrington and Leanza 1957
Onychopyge riojana Harrington 1938
Onychopyge sculptura Robison and Pantoja-Alor 1968
Invalid names: Prionopyge Harrington and Leanza 1942 [objective synonym]
G. †Proceratopyge Wallerius 1895
+
Subg. †Proceratopyge (Lopnorites) Troedsson 1937
Subg. †Proceratopyge (Sinoproceratopyge) Lu and Lin 1980
Proceratopyge canadensis Chatterton and Ludvigsen 1998
Proceratopyge conifrons Wallerius 1895
Proceratopyge distensa Lu and Lin 1989
Proceratopyge fuyangensis Lu and Lin 1987
Proceratopyge incondita Harrington and Leanza 1957
Proceratopyge longa Bao and Jago 2000
Proceratopyge mirabilis Lu and Lin 1989
Proceratopyge nathorsti Westergard 1922
Proceratopyge promisca Choi et al. 2008
Proceratopyge rectispinata Troedsson 1937
+
Invalid names: Lopnorites fragilis Troedsson 1937 [synonym], Proceratopyge cylindrica Chien 1961 [synonym]
Proceratopyge tenuita Lazarenko 1966
Proceratopyge zhejiangensis Lu and Lin 1989
G. †Pseudohysterolenus Harrington and Leanza 1957
+
Pseudohysterolenus infidus Harrington and Leanza 1957
G. †Pseudoyuepingia Chien 1961
+
Pseudoyuepingia asaphoides Kobayashi 1962
Pseudoyuepingia brevica Lu and Lin 1980
Pseudoyuepingia elongata Lu and Lin 1989
Pseudoyuepingia intermedia Lu and Lin 1989
Pseudoyuepingia jiantangensis Duan et al. 1999
Pseudoyuepingia zhejiangensis Lu and Lin 1980
Invalid names: Iwayaspis Kobayashi 1960 [synonym]
G. †Tamdaspis Lisogor 1977
+
Tamdaspis cylindrica Qian and Qiu 1983
Tamdaspis intermedia Qian and Qiu 1983
Tamdaspis tamdensis Lisogor 1977
Invalid names: Psiloyuepingia Qian and Qiu 1983 [synonym]
G. †Tropidopyge Harrington and Kay 1951
+
Tropidopyge alveus Fortey 1974
Tropidopyge laevis Ergaliev 1980
G. †Yuepingioides Lu and Lin 1984
+
Yuepingioides ocellata Lu and Lin 1980
Yuepingioides parallelus Lu and Lin 1983
Fm. †Remopleurididae Hawle and Corda 1847
+
G. †Aktugaiella Ergaliev 1980
+
Aktugaiella acuminulata Ergaliev 1980
Aktugaiella assurgentis Ergaliev 1980
G. †Apatokephalina Sivov 1955
G. †Apatokephaloides Raymond 1924
+
Apatokephaloides pauper Billings 1865
G. †Apatokephalops Lu 1975
+
Invalid names: Aristokainella Zhiyi and Jinlin 1978 [synonym], Wanliangtingia Lu and Chang 1974 [synonym]
G. †Apatokephalus Brögger 1896
+
Apatokephalus canadensis Kobayashi 1953
Apatokephalus dagmarae Mergl 1984
Apatokephalus exiguus Harrington and Leanza 1957
Apatokephalus nyaicus Rozova 1968
Apatokephalus rugosus Tortello and Esteban 2016
Apatokephalus sarculum Fortey and Owens 1991
Apatokephalus serratus Boeck 1838
Apatokephalus tibicen Pribyl and Vanek 1980
G. †Artokephalus Sivov and Egorova 1955
G. †Blosyropsis Whittington 1965
+
Blosyropsis billingsi Whittington 1965
G. †Brachypleura Angelin 1854
+
Brachypleura cordata Nikolaisen 1983
Brachypleura sexlineata Angelin 1851
Invalid names: Sculptaspis Nikolaisen 1983 [synonym]
G. †Deanokephalus Pillet 1992
G. †Diplapatokephalus Raymond 1937
+
Diplapatokephalus finalis Walcott 1884
G. †Dislobosaspis Yin et al. 1999
+
G. †Eoapatokephalus Rozova 1983
G. †Eorobergia Cooper 1953
+
Eorobergia breviceps Raymond 1925
Eorobergia grandis Whittington 1965
Eorobergia marginalis Raymond 1925
Eorobergia striata Petrunina 1990
G. †Haniwa Kobayashi 1933
+
Haniwa sosanensis Kobayashi 1933
G. †Hexacopyge Yuan and Zhou
+
Hexacopyge nasuta Lu 1957
G. †Hukasawaia Kobayashi 1953
G. †Hypodicranotus Whittington 1952
+
Hypodicranotus striatulus Walcott 1875
+
Invalid names: Hypodicranotus missouriensis Foerste 1920 [synonym]
G. †Ivshinaspis Petrunina 1973
+
Ivshinaspis crispa Petrunina 1973
Ivshinaspis formosa Duan et al. 1999
Ivshinaspis reticulata Bao and Jago 2000
G. †Jiia Zhou and Zhang 1978
G. †Kainella Walcott 1925
+
Kainella billingsi Walcott 1924
Kainella conica Kobayashi 1935
Kainella eleutherolfi Pratt 1988
Kainella flagricauda White 1874
+
Invalid names: Kainella inexpectans Walcott 1884 [synonym]
Kainella meridionalis Kobayashi 1935
Kainella teiichii Vaccari and Waisfeld 2010
G. †Lacorsalina Bursky 1970
+
Lacorsalina bellatula Fortey 1980
G. †Lingukainella Kobayashi 1953
G. †Lohanpopsis Lu 1965
G. †Loshanella Lu 1975
G. †Mendosina Shergold 1975
+
Mendosina laciniosa Shergold 1971
G. †Menoparia Ross 1951
+
Menoparia elegans Dean 1989
Menoparia genalunata Ross 1951
Menoparia lunalata Ross 1953
G. †Naustia Ludvigsen 1982
+
Naustia colombiana Harrington and Kay 1951
G. †Oculeus Poletaeva and Romanenko 1970
G. †Portentosus Egorova 1955
G. †Praepatokephalus Lochman 1964
G. †Proapatokephalops Rozova 1960
G. †Pseudokainella Harrington 1938
+
Pseudokainella armatus Hintze 1953
Pseudokainella keideli Harrington 1938
Pseudokainella lata Kobayashi 1935
Pseudokainella pustulosa Harrington and Leanza 1957
Invalid names: Elankaspis Egorova 1976 [synonym], Elkanaspis Ludvigson 1982 [synonym], Fatocephalus Duan and An 1982 [synonym]
G. †Pugilator Nikolaisen 1991
+
Pugilator deckeri Cooper 1953
Pugilator yukonensis Churkin 1966
G. †Remopleuridiella Ross 1951
+
Subfm. †Remopleuridinae Hawle and Corda 1847
+
G. †Amphitryon Hawle and Corda 1874
G. †Remopleurella Dean 1963
G. †Remopleurides Portlock 1843
G. †Robergia Wiman 1905
G. †Sculptella Nikolaisen 1952
Invalid names: Hypodicranotinae Pribyl and Vanel 1972 [synonym]
G. †Richardsonella Raymond 1924
+
Richardsonella convexa Rasetti 1944
Richardsonella cristata Billings 1860
Richardsonella elongata Rasetti 1944
Richardsonella megalops Billings 1860
Richardsonella unisulcata Rasetti 1944
Richardsonella variagranula Robison and Pantoja-Alor 1968
G. †Robergiella Whittington 1959
+
Robergiella brevilingua Fortey 1980
Robergiella correcta Reed 1903
Robergiella neteorum Tripp 1980
Robergiella sagittalis Whittington 1959
Robergiella tjernviki Hoel 1999
G. †Scinocephalus Ross 1951
+
G. †Sigmakainella Shergold 1971
+
Sigmakainella longilira Shergold 1971
Sigmakainella translira Shergold 1971
G. †Sunocavia Özdikmen 2009
+
Sunocavia dactyloides Guo and Duan 1978
Invalid names: Cavia Sun 1993 [replaced]
G. †Tramoria Reed 1899
G. †Yosimuraspis Kobayashi 1960
Invalid names: Kainellidae Ulrich and Resser 1930 [invalid subgroup], Richardsonellidae Raymond 1924 [invalid subgroup]
Superfm. †Cyclopygoidea Raymond 1925
+
Fm. †Cyclopygidae Raymond 1925
+
G. †Amicus Koroleva 1967
G. †Aspidaeglina Holub 1911
G. †Circulocrania Fortey and Owens 1987
G. †Cyclopyge Hawle and Corda 1847
+
Cyclopyge recurva Lu 1962
+
Invalid names: Cyclopyge binodosa Zhang 1981 [synonym]
Cyclopyge vigilans Cooper and Kindle 1936
Invalid names: Aeglina Barrande 1850 [objective synonym]
G. †Degamella Marek 1961
G. †Ellipsotaphrus Whittard 1952
G. †Emmrichops Marek 1961
G. †Gastropolus Whittard 1966
G. †Girvanopyge Kobayashi 1960
+
Invalid names: Cremastoglottos Whittard 1961 [synonym], Nanlingia Wei and Zhou 1983 [synonym]
G. †Microparia Hawle and Corda 1847
+
Subg. †Microparia (Heterocyclopyge) Marek 1961
Subg. †Microparia (Microparia) Hawle and Corda 1847
+
Invalid names: Microparia (Paramicroparia) Zhang 1981 [synonym]
Subg. †Microparia (Quadratapyge) Zhou in Zhou et al 1977
G. †Novakella Whittard 1961
+
Invalid names: Incisopyge Pillet and Courtessole 1985 [synonym]
G. †Phylacops Cooper and Kindle 1936
+
Subfm. †Pricyclopyginae Fortey and Owens 1987
+
G. †Pricyclopyge Richter and Richter 1954
+
Invalid names: Bicyclopyge Horbinger and Vanek 1985 [synonym]
G. †Prospectatrix Fortey 1981
+
Prospectatrix genatenta Stubblefield and Bulman 1927
G. †Psilacella Whittard 1952
G. †Sagavia Koroleva 1967
+
Sagavia laxa Zhou et al. 2014
G. †Selenoptychus Hawle and Corda 1847
G. †Symphysops Raymond 1925
+
Symphysops armatus Barrande 1872
Symphysops djebaglensis Kolova 1936
G. †Xenocyclopyge Lu 1962
Invalid names: Bohemillidae Barrande 1872 [invalid subgroup]
Fm. †Nileidae Angelin 1854
+
G. †Aocaspis Dolambi and Gond 1992
G. †Barrandia M'Coy 1849
+
Barrandia homfrayi Hicks 1875
Barrandia mccoyi Walcott 1884
G. †Berkutaspis Lisogor 1947
G. †Borthaspidella Rasetti 1954
+
Borthaspidella gaspensis Rasetti 1954
G. †Bumastides Veber 1948
G. †Elongatanileus Ji 1986
G. †Homalopteon Salter 1867
G. †Illaenopsis Salter 1865
+
Illaenopsis stenorhachis Harrington 1938
Illaenopsis thomsoni Salter 1866
Invalid names: Rokycania Pribyl and Vanek 1965 [synonym]
G. †Kodymaspis Prantl and Pribyl 1950
+
Kodymaspis limena Šnajdr 1984
G. †Lakaspis Kobayashi 1937
G. †Neopsilocephalina Yin 1978
Nileidae stenorhachis Harrington 1938
G. †Nileus Dalman 1827
+
Nileus affinis Billings 1865
Nileus amplus Zhou et al. 2014
Nileus australis Tortello and Esteban 2014
Nileus cingolanii Tortello and Esteban 2016
Nileus depressus Boeck 1838
Nileus deynouxi Destombes et al. 1969
Nileus erici Tortello and Esteban 2016
Nileus exarmatus Tjernvik 1956
Nileus gabata Dean 1973
Nileus glazialis Schrank 1973
Nileus hesperaffinis Ross and Barnes 1967
Nileus lacunosa Whittington 1965
Nileus macrops Billings 1865
Nileus orbiculatoides Schrank 1972
Nileus orbiculatus Tjernvik 1956
Nileus petilus Xia 1978
Nileus planiceps Nielsen 1995
Nileus porosus Fortey 1975
Nileus scrutator Billings 1865
Nileus walcotti Endo 1932
+
Invalid names: Nileus liangshanensis Lu 1975 [synonym]
Invalid names: Remopleuridioides Harrington and Leanza 1957 [synonym]
G. †Parabarrandia Prantl and Pribyl 1949
G. †Paraperaspis Zhou et al. 2014
+
Paraperaspis angustus Zhou et al. 2014
+
Invalid names: Nileus transversus Zhang 1981 [synonym]
Paraperaspis dawangouensis Zhou et al. 2014
G. †Peraspis Whittington 1965
+
Peraspis erugata Ross 1970
Peraspis kolouros Norford and Ross 1978
Peraspis lineolata Raymond 1925
Peraspis omega Fortey 1975
Peraspis yukonensis Dean 1973
G. †Petrbokia Pribyl and Vanek 1965
G. †Platypeltoides Pribyl 1949
+
Subg. †Platypeltoides (Troedssonia) Poletaeva 1960
Platypeltoides croftii Callaway 1877
Platypeltoides perseis Mergl 2006
Invalid names: Platypeltis Callaway 1877 [replaced]
G. †Poronileus Fortey 1975
+
Poronileus fistulosus Fortey 1975
Poronileus isoteloides Fortey 1975
Poronileus jugatus Fortey 1975
Poronileus vallancei Fortey 1975
G. †Psilocephalinella Kobayashi 1951
+
Invalid names: Borthaspis Stubblefield 1951 [objective synonym]
G. †Shenjiawania Peng 1984
G. †Symphysurina Ulrich 1924
+
Symphysurina brevis Fortey 1983
Symphysurina bulbosa Lochman 1964
Symphysurina elegans Poulsen 1937
Symphysurina goniura Billings 1860
Symphysurina myopia Westrop and in Landing et al 2003
Symphysurina robusta Poulsen 1937
Symphysurina spicata Ulrich in Walcott 1925
Symphysurina uncaspicata Hintze 1953
Symphysurina walcotti Kindle 1929
+
Invalid names: Symphysurina brevispicata Hintze 1953 [synonym]
Symphysurina woosteri Ulrich and Walcott 1924
G. †Symphysurus Goldfuss 1843
+
Symphysurus angustatus Sars and Boeck 1838
+
Invalid names: Symphysurus socialis Linnarsson 1869 [synonym]
Symphysurus arcticus Fortey 1975
Symphysurus goldfussi Walcott 1884
Symphysurus palpebrosus Barrande 1852
G. †Varvia Tjernvik 1956
+
Varvia breviceps Angelin 1854
Fm. †Symphysurinidae Kobayashi 1955
+
G. †Eurysymphysurina Fortey and Bruton 2013
+
Eurysymphysurina spora Fortey and Bruton 2013
G. †Randaynia Boyce 1989
+
Randaynia langdoni Boyce 1989
Randaynia saundersi Boyce 1989
Fm. †Taihungshaniidae Sun 1931
+
G. †Asaphellina Chalmas and Bergeron 1989
G. †Asaphopsis Mansuy 1920
G. †Omeipsis Kobayashi 1951
G. †Taihungshania Sun 1931
+
Taihungshania miqueli Bergeron 1893
Invalid names: Miquelina Thoral 1935 [synonym]
G. †Tungtzuella Lu 1957
Superfm. †Dikelocephaloidea Miller 1889
+
Fm. †Dikelocephalidae Miller 1889
+
G. †Berkeia Resser 1937
+
Berkeia glabellamersa Wilson 1949
Berkeia typica Resser 1937
G. †Blandicephalus Palmer 1954
+
Blandicephalus texanus Palmer 1954
G. †Briscoia Walcott 1924
+
Briscoia angustilimba Westrop 1986
Briscoia coloradoensis Walcott 1914
Briscoia dalyi Walcott 1914
Briscoia devinei Billings 1865
Briscoia elegans Kobayashi 1935
+
Invalid names: Parabriscoia stenorachis Kobayashi 1935 [synonym]
Briscoia llanoensis Winston and Nicholls 1967
Briscoia nevadensis Resser 1937
Briscoia pertransversa Lochman 1956
Briscoia schucherti Ulrich and Resser 1930
Briscoia septentrionalis Kobayashi 1935
+
Invalid names: Briscoia mertiei Kobayashi 1935 [synonym], Briscoia robusta Kobayashi 1935 [synonym]
Briscoia sinclairensis Walcott 1924
Invalid names: Parabriscoia Kobayashi 1935 [synonym]
G. †Dikelocephalus Owen 1852
+
Dicellocephalus bilobatus Hall and Whitfield 1877
Dicellocephalus iole Walcott 1884
Dicellocephalus marica Walcott 1884
Dicellocephalus nasutus Walcott 1884
Dicellocephalus tribulus Walcott 1912
Dikelocephalus halli Ulrich and Resser 1930
+
Invalid names: Dikelocephalus barretti Ulrich and Resser 1930 [synonym], Dikelocephalus beani Ulrich and Resser 1930 [synonym], Dikelocephalus brevis Ulrich and Resser 1930 [synonym], Dikelocephalus declivis Ulrich and Resser 1930 [synonym], Dikelocephalus edwardsi Ulrich and Resser 1930 [synonym], Dikelocephalus gracilis Ulrich and Resser 1930 [synonym], Dikelocephalus granosus Ulrich and Resser 1930 [synonym], Dikelocephalus hotchkissi Ulrich and Resser 1930 [synonym], Dikelocephalus inaequalis Ulrich and Resser 1930 [synonym], Dikelocephalus intermidius Ulrich and Resser 1930 [synonym], Dikelocephalus juvinalis Ulrich and Resser 1930 [synonym], Dikelocephalus marginatus Ulrich and Resser 1930 [synonym], Dikelocephalus norwalkensis Ulrich and Resser 1930 [synonym], Dikelocephalus orbiculatus Ulrich and Resser 1930 [synonym], Dikelocephalus ovatus Ulrich and Resser 1930 [synonym], Dikelocephalus oweni Ulrich and Resser 1930 [synonym], Dikelocephalus postrectus Ulrich and Resser 1930 [synonym], Dikelocephalus raaschi Ulrich and Resser 1930 [synonym], Dikelocephalus regalis Ulrich and Resser 1940 [synonym], Dikelocephalus retrorsus Ulrich and Resser 1930 [synonym], Dikelocephalus subplanus Ulrich and Resser 1930 [synonym], Dikelocephalus thwaitesi Ulrich and Resser 1930 [synonym], Dikelocephalus weidmani Ulrich and Resser 1930 [synonym], Dikelocephalus wiltonensis Ulrich and Resser 1930 [synonym], Dikelocephalus wisconsinensis Ulrich and Resser 1930 [synonym], Ogygia minnesotensis Chapman 1856 [synonym]
Dikelocephalus wisconensis Ulrich and Resser 1930
G. †Elkia Walcott 1924
G. †Monocheilus Resser 1937
+
Monocheilus anatinum Hall 1863
Monocheilus micros Walter 1926
G. †Neoiranella Özdikmen 2006
+
Neoiranella latefrons King 1937
Invalid names: Iranella Hupe 1953 [replaced]
G. †Osceolia Walcott 1914
G. †Princetonella Lochman 1953
G. †Pterocephalops Rasetti 1944
+
G. †Randicephalus Ivshin 1962
G. †Stigmacephalus Resser 1937
+
Stigmacephalus oweni Hall 1863
G. †Walcottaspis Ulrich and Resser 1930
+
Walcottaspis vanhornei Walcott 1914
Invalid names: Saukiidae Ulrich and Resser 1930 [synonym]
Fm. †Ptychaspididae Raymond 1924
+
G. †Alborsella Kushan 1973
G. †Changia Sun 1924
+
Changia chinensis Sun 1924
Invalid names: Coreanocephalus Kobayashi 1935 [synonym], Quadraticephalus Sun 1925 [synonym]
G. †Eoptychaspis Nelson 1951
G. †Eowuhuia Zhang and Wang 1984
G. †Euptychaspis Ulrich 1931
G. †Idiomesus Raymond 1924
G. †Imlerella Loch and Taylor 2004
G. †Kathleenella Ludvigsen 1982
G. †Keithia Raymond 1924
+
Keithia similis Rasetti 1944
Keithia subclavatus Billings 1860
G. †Keithiella Rasetti 1944
+
Keithiella brevis Rasetti 1944
Keithiella cylindrica Billings 1860
Keithiella depressa Rasetti 1944
G. †Macronoda Lochmann 1964
+
Macronoda punctata Loch et al. 1993
Invalid names: Promesus Lochman 1964 [synonym]
G. †Plectrella Ludvigsen and Westrop 1989
G. †Proricephalus Westrop 1986
G. †Ptychaspis Hall 1863
+
Ptychaspis granulosa Owen 1852
Ptychaspis minuta Whitfield 1878
Ptychaspis pustulosa Hall and Whitfield 1877
Ptychaspis tuberosa Feniak 1952
Invalid names: Asioptychaspis Kobayashi 1933 [synonym]
G. †Saukioides Kobayashi 1952
+
Invalid names: Jeholaspis Kobayashi 1953 [objective synonym]
G. †Sunwaptia Westrop 1986
G. †Wilcoxaspis Westrop 1986
Invalid names: Dikelocephaliidae Miller 1889 [empty]
Fm. †Eurekiidae Hupé 1953
+
G. †Arcadiaspis Westrop et al. 2005
G. †Bandalaspis Ivshin 1962
G. †Bayfieldia Clark 1924
+
Bayfieldia tumifrons Clark 1924
G. †Corbina
G. †Corbinia Walcott 1924
+
Corbinia horatio Walcott 1924
+
Invalid names: Corbinia valida Walcott 1925 [synonym]
G. †Eurekia Walcott 1924
+
Eurekia apopsis Winston and Nicholls 1967
Eurekia plectocanthus Loch et al. 1993
G. †Leocephalus Ivshin 1962
G. †Lochmanaspis Ivshin 1962
G. †Magnacephalus Stitt 1971
G. †Maladia Rose 1983
G. †Tostonia Walcott 1924
Fm. †Hungaiidae Raymond 1924
+
G. †Asaphopsoides Hupé 1953
+
Asaphopsoides florentinensis Etheridge 1905
+
Invalid names: Asaphopsis gracicostatus Kobayashi 1940 [synonym], Asaphopsis juneensis Kobayashi 1940 [synonym]
Invalid names: Dainellicauda Kobayashi 1960 [synonym]
G. †Ciliocephalus Liu 1977
G. †Dactylocephalus Hsu 1948
G. †Dikelocephalopsis Poletaeva 1955
G. †Hungaia Walcott 1914
+
Hungaia magnifica Billings 1860
Invalid names: Acrohybus raymond 1937 [synonym]
G. †Hungioides Kobayashi 1936
+
Hungioides acutinasus Fortey and Shergold 1984
Hungioides intermedia Harrington and Leanza 1957
Invalid names: Argentinops Pribyl and Vanĕk 1980 [synonym]
G. †Leimitzia Sdzuy 1955
G. †Songtaoia Yin 1978
Invalid names: Dikelokephalinidae Kobayashi 1936 [invalid subgroup]
Fm. †Ordosiidae Lu 1954
+
G. †Kontrastina Rozova 1964
+
Kontrastina samodiica Rozova 1964
G. †Ordosia Lu 1954
G. †Paralevisia Zhang and Jell 1987
G. †Poshania Chang 1959
G. †Taitzuia Resser and Endo 1935
+
Taitzuia abnormis Zhang et al. 1980
G. †Taitzuina Zhang and Yuan 1981
+
Taitzuina lubrica Zhang and Yuan 1981
G. †Parabumastides Ji 1987
Fm. †Remopleuridae Hawle and Corda 1847
+
G. †Atratebia Shergold 1975
+
Atratebia nexosa Shergold 1975
G. †Teratorhynchus Reed 1903
Fm. †Rhyssometopidae Oepik 1967
+
G. †Plectrifer Opik 1967
G. †Qiandongaspis Yuan and Yin 1998
+
Qiandongaspis qiandongensis Yuan and Yin 1998
G. †Rhyssometopus Oepik 1967
+
G. †Rhyssometropus Opik 1967
G. †Tasmana Jago et al. 2004
+
Tasmana truncata Jago et al. 2004
Invalid names: Pseudocyclopyge [nomen nudum], Trinucleoidea Hawle and Corda 1847 [empty]
Or. †Ptychopariida Swinnerton 1915
+
Fm. †Acrocephalitidae Hupé 1953
+
G. †Acrocephalella Rozova 1963
+
Acrocephalella granulosa Rozova 1963
G. †Acrocephalites Wallerius 1895
+
Acrocephalites borealicus Lazarenko 1960
Acrocephalites glomeratus Walcott 1916
Acrocephalites insignis Walcott 1916
Acrocephalites majus Walcott 1916
Acrocephalites militans Lermontova 1940
Acrocephalites redivivus Rozova 1964
Acrocephalites reductus Rozova 1964
Acrocephalites tutus Walcott 1916
Invalid names: Acantholenus Matthew 1898 [synonym]
G. †Acrodirotes Opik 1967
G. †Asturiaspis Sdzuy 1968
G. †Brutaspis Ivshin 1962
G. †Cermataspis Opik 1967
G. †Decus Pegel 1981
G. †Diceratocephalina Maksimova 1962
+
Diceratocephalina miranda Maksimova 1962
G. †Ijacephalus Ogienko 1974
G. †Mansiella Rozova 1968
+
Mansiella mansica Rozova 1968
G. †Pseudacrocephalaspina Ergaliev 1980
+
Fm. †Alokistocaridae Resser 1939
+
G. †Alokistocare Lorenz 1906
+
Alokistocare alta Fritz 1968
Alokistocare althea Walcott 1916
Alokistocare aoris Walcott 1916
Alokistocare charax Walcott 1917
Alokistocare georgense Resser 1935
Alokistocare modestum Lochman 1952
Alokistocare nactum Resser 1938
Alokistocare nasutum Rasetti 1965
Alokistocare natale Resser 1938
Alokistocare noduliferum Resser 1938
Alokistocare normale Resser 1938
Alokistocare notatum Resser 1938
Alokistocare nothum Resser 1938
Alokistocare paranotatum Rasetti 1951
Alokistocare pomona Walcott 1916
Alokistocare punctatum Resser 1939
Alokistocare septum Resser 1939
Alokistocare spencense Resser 1939
Alokistocare subcoronatum Hall and Whitfield 1877
Alokistocare swasii Sundberg 1994
Invalid names: Pseudoalokistocare Sundberg 1994 [synonym]
G. †Alokistocarella Resser 1938
+
Alokistocarella mexicana Lochman 1952
Alokistocarella spencei Resser 1939
G. †Amecephalina Poulson 1927
G. †Amecephaloides Repina 1964
G. †Amecephalus Walcott 1924
+
Amecephalus agnesensis Walcott 1912
Amecephalus arrojosensis Lochman 1952
Amecephalus cleora Walcott 1917
Amecephalus idahoense Resser 1939
Amecephalus laticaudum Resser 1939
Amecephalus piochensis Walcott 1886
+
Invalid names: Alokistocare packi Resser 1935 [synonym]
Invalid names: Strotocephalus Resser 1935 [synonym]
G. †Annamitia Mansuy 1916
G. †Arellanella Lochman 1948
+
Arellanella caborcana Lochman 1948
Arellanella sonora Lochman 1952
G. †Beldirella Pokrovskaya 1960
G. †Bythicheilus Resser 1939
+
Bythicheilus alveatum Resser 1939
Bythicheilus typicum Resser 1939
G. †Chancia Walcott 1924
+
Chancia angusta Resser 1939
Chancia maladensis Resser 1939
Chancia rasettii Shaw 1957
Chancia venusta Resser 1939
G. †Chanciaopsis Sundberg 1994
+
Chanciaopsis heteromorphos Sundberg 1994
Chanciaopsis odarayensis Rasetti 1951
Chanciaopsis palliseri Walcott 1908
G. †Danzhaiaspis Zhang et al. 1980
+
Danzhaiaspis daopingensis Zhao and Huang 1981
Danzhaiaspis quadratus Zhang et al. 1980
G. †Ehmania Resser 1935
+
Ehmania gallatinensis Meek 1873
Ehmania smithi Walcott 1911
Ehmania walcotti Resser 1935
Ehmania weedi Resser 1935
G. †Ehmaniella Resser 1937
+
Ehmaniella angustigena Sundberg 1994
Ehmaniella casta Chien and Zhou 1974
Ehmaniella fronsplanata Sundberg 1994
+
Ehmaniella quadrans Hall and Whitfield 1877
Ehmaniella similis Zhang et al. 1980
Ehmaniella waptaensis Rasetti 1951
Invalid names: Anomalocephalus Deiss 1939 [synonym], Clappaspis Deiss 1939 [synonym]
G. †Elrathia Walcott 1924
+
Elrathia grazierensis Rasetti 1965
Elrathia idahoensis Resser 1938
Elrathia kingi Meek 1870
Elrathia longiceps Resser 1938
Elrathia occidentalis Walcott 1884
Elrathia permulta Walcott 1918
Elrathia rara Resser 1939
Elrathia sampsoni Resser 1938
Elrathia spencei Resser 1939
G. †Erdoradites Ivshin 1962
G. †Ganovexopyge Wolfart 1997
+
Invalid names: Scottia Wolfart 1994 [replaced]
G. †Inglefieldia Poulson 1927
+
Inglefieldia affinis Poulsen 1927
Inglefieldia imperfecta Lochman 1952
Inglefieldia porosa Poulsen 1927
G. †Jenkinsonia Robison 1971
G. †Kistocare Lochman 1948
+
Kistocare corbini Lochman 1948
Kistocare tontoensis Resser 1945
G. †Lenacare Egorova 1976
G. †Parapachyaspis Qiu 1983
G. †Parehmania Deiss 1939
+
Parehmania obscura Deiss 1939
Invalid names: Mcnairia Deiss 1939 [synonym], Rowia Deiss 1939 [synonym], Thomsonaspis Deiss 1939 [synonym]
G. †Pedinocephalina Rozova 1960
G. †Proveedoria Lochman 1948
+
Proveedoria starquistae Lochman 1948
G. †Schopfaspis Palmer and Gatehouse 1972
+
Schopfaspis granulosus Palmer and Gatehouse 1972
G. †Shabanovia Doweld 2013
+
Shabanovia submissa Doweld 2013
+
Invalid names: Furia submissa Egorova and Shabanov 1987 [replaced]
Invalid names: Furia Egorova and Shabanov 1987 [replaced]
G. †Tympanuella Sundberg 1994
+
Tympanuella transversa Sundberg 1994
G. †Utaspis Robison 1964
Invalid names: Ehmaniellidae Sundberg 1994 [synonym]
G. †Amphorella Rozova 1963
Subfm. †Atratebiinae Shergold 1980
+
G. †Taishania Sun 1935
+
Taishania bassifrons Dean 2006
Taishania platyfrons Shergold 1980
G. †Balnibarbi Fortey 1974
G. †Bifodina Robison and Pantoja-Alor 1968
+
Bifodina longifrons Robison and Pantoja-Alor 1968
Fm. †Bolaspididae Howell and Moore 1959
+
G. †Acrocephalops Poulson 1927
+
Acrocephalops nitida Resser 1935
G. †Bolaspidaspis Rozova 1964
+
Bolaspidaspis puta Rozova 1964
G. †Bolaspis Resser 1935
+
Bolaspis errata Resser 1935
Bolaspis haynesi Walcott 1916
Bolaspis labrosa Walcott 1916
Bolaspis neihartensis Resser 1935
Bolaspis raymondi Resser 1935
Bolaspis ticida Walcott 1916
G. †Eldoradia Resser 1935
+
Eldoradia dunbari Lochman 1938
Eldoradia linnarssoni Walcott 1884
+
Invalid names: Eldoradia lata Resser 1935 [synonym]
Eldoradia prospectensis Walcott 1884
G. †Rawlinsella Shaw 1956
Fm. †Catillicephalidae Raymond 1938
+
G. †Acheilops Ulrich 1931
G. †Buttsia Wilson 1951
+
Buttsia globosa Lu and Lin 1987
Buttsia inexpectata Fortey 1980
Buttsia parvula Khramova 1977
G. †Calculites Fortey 1983
+
Calculites microps Rasetti 1944
Calculites stevensi Fortey 1983
G. †Catillicephala Raymond 1937
G. †Cryptoderaspis Rasetti 1946
G. †Distazeris Raymond 1937
+
G. †Agelagma Opik 1967
+
Invalid names: Paradistazeris Zhang et al. 1980 [synonym]
Distazeris hunanensis Peng 1987
G. †Galeaspis Ivshin 1955
G. †Lajishanaspis Chu 1979
+
G. †Madarocephalus Resser 1938
G. †Matania Rasetti 1946
G. †Onchonotellus Lermontova 1956
+
Onchonotellus abnormis Ivshin 1956
Onchonotellus fenghuangensis Duan et al. 1999
Onchonotellus perlatus Ivshin 1962
Onchonotellus privus Rozova 1968
Onchonotellus tchecurensis Lazarenko 1966
Invalid names: Onchonotina Lu 1964 [synonym], Seletella Ivshin 1955 [synonym]
G. †Onchonotopsis Rasetti 1946
G. †Onchonotus Raymond 1924
+
Onchonotus convexus Rasetti 1944
Onchonotus globosus Billings 1860
Onchonotus granulatus Rasetti 1944
Onchonotus nasutus Walcott 1911
Onchonotus richardsoni Walcott 1911
G. †Pemphigaspis Hall 1863
+
Invalid names: Hallaspis Raasch and Lochman 1943 [synonym]
G. †Peracheilus Ludvigsen 1986
+
Peracheilus marcoui Raymond 1924
Peracheilus spinosus Rasetti 1945
Invalid names: Acheilus Clark 1924 [replaced]
G. †Theodenisia Clark 1948
+
Theodenisia paulula Khramova 1977
Invalid names: Mannschreekia Stitt 1983 [synonym]
G. †Triarthropsis Ulrich 1931
G. †Tumidulaspis Romanenko 1967
G. †Tuojiangella Duan et al. 1999
+
Tuojiangella tuojiangensis Duan et al. 1999
G. †Urbanaspis Ivshin 1953
G. †Welleraspis Kobayashi 1935
+
Welleraspis jerseyensis Weller 1990
Invalid names: Avonaspis Lochman 1940 [synonym]
G. †Yukonaspis Kobayashi 1936
G. †Conococheaguea Rasetti 1959
Fm. †Conocoryphidae Angelin 1854
+
G. †Bailiaspis Resser 1936
+
Bailiaspis bufo Hicks 1865
Bailiaspis dalmani Angelin 1878
Bailiaspis elegans Hartt 1868
Bailiaspis emarginata Linarsson 1877
Bailiaspis glabrata Angelin 1878
Bailiaspis granulata Matthew 1885
G. †Bailiella Matthew 1885
+
Bailiella aequalis Linarsson 1882
Bailiella arcuata Matthew 1885
Bailiella baileyi Hartt 1868
Bailiella cobboldi Resser 1936
Bailiella comleyensis Resser 1936
Bailiella heberti Munier-Chalmas and Bergeron 1889
Bailiella impressa Linarsson 1879
Bailiella lantenoisi Mansuy 1916
Bailiella lata Zhang et al. 1980
Bailiella levyi Munier-Chalmas and Bergeron 1889
Bailiella lyelli Hicks 1871
Bailiella tenuicincta Linarsson 1879
Bailiella teres Grönwall 1902
Bailiella walcotti Matthew 1885
Invalid names: Liocephalus Grönwall 1902 [synonym]
G. †Cainatops Matthew 1899
+
Invalid names: Cornucocoryphe Sdzuy and Linan 1996 [synonym]
G. †Conocoryphe Hawle and Corda 1847
+
Subg. †Conocoryphe (Bailiella) Matthew 1885
Conocoryphe atlanta Snajdr 1982
Conocoryphe bullata Howell 1925
Conocoryphe sulzeri Schlotheim 1823
Invalid names: Conocephalites Barrande 1852 [objective synonym], Couloumania Thoral 1946 [synonym]
G. †Ctenocephalus Hawle and Corda 1847
+
Ctenocephalus granulatus Walcott 1884
Ctenocephalus hartti Resser 1936
G. †Elyx Brogger 1879
G. †Hartella Matthew 1885
+
G. †Novocatharia Özdikmen 2009
+
Novocatharia ferralsensis Courtessole 1967
Invalid names: Catharia Alvaro and Vizcaino 2003 [replaced]
G. †Parabailiella Thoral 1946
Fm. †Conokephalinidae Hupé 1953
+
G. †Buitella Lazarenko 1964
+
Buitella buitensis Lazarenko 1964
G. †Catuniella Egorova 1956
+
Catuniella lauta Lazarenko 1960
G. †Conokephalina Broegger 1886
+
Invalid names: Lobocephalina Ruzicka 1940 [synonym], Ruzickaia Pribyl 1950 [synonym]
G. †Maspakites Lazarenko and Nikiforov 1968
+
Maspakites occidentalis Lazarenko and Nikiforov 1968
G. †Meisterella Ivshin 1952
G. †Miranda Jegorova 1984
G. †Suludella Egorova and Savitsky 1968
+
Suludella davnii Palmer and Gatehouse 1972
Suludella spinosa Palmer and Gatehouse 1972
G. †Westergaardella Kobayashi 1962
Fm. †Crepicephalidae Kobayashi 1935
+
G. †Bagongshania Lin 1983
+
G. †Coosia Walcott 1911
+
Coosia alethes Walcott 1916
Coosia longocula Palmer 1962
Coosia pernamagna Wilson 1954
G. †Coosina Rasetti 1956
+
Coosina ariston Walcott 1916
Coosina kindlei Westrop 1992
G. †Coosinoides Ivshin 1962
+
Coosinoides anhuiensis Lu and Zhu 1980
G. †Crepicephalina Resser and Endo 1935
+
Crepicephalina convexus Walcott 1911
Crepicephalina pergranosa Resser and Endo 1937
Crepicephalina ruichengensis Zhang et al. 1980
G. †Crepicephalus Owen 1852
+
Crepicephalus australis Palmer 1954
Crepicephalus comus Walcott 1916
Crepicephalus thoosa Walcott 1916
G. †Hsuchuangia Lu and Zhu 1983
+
Hsuchuangia huoshanensis Zhang and Wang 1985
Hsuchuangia longiceps Lu and Zhu 2001
Hsuchuangia luliangshanensis Zhang and Wang 1985
G. †Idioura Zhang et al. 1980
+
Idioura granosa Zhang et al. 1980
Idioura laevigata Zhang et al. 1980
G. †Kasatchaspis Ivshin 1962
G. †Sinocoosella Yuan and Yin 1998
+
Sinocoosella typica Yuan and Yin 1998
G. †Sinocrepicephalus Zhang and Jinlin 1984
G. †Temnoura Sun 1977
+
Invalid names: Asteromajia Nan and Zan 1982 [synonym]
G. †Uncaspis Kobayashi 1935
Fm. †Diceratocephalidae Lu 1954
+
G. †Ajrikina Kryskov 1963
+
Ajrikina elongata Ergaliev 1980
Ajrikina hunanensis Peng 1987
+
Invalid names: Jiangnania fengzuensis Lu and Lin 1989 [synonym], Jiangnania fuyangensis Lu and Lin 1989 [synonym]
Ajrikina miranda Lin et al. 1983
Invalid names: Huamiaocephalus Qiu 1983 [synonym], Jiangnania Lin et al. 1983 [synonym]
G. †Anopocodia Opik 1967
G. †Aulacodigma Opik 1967
G. †Cyclolorenzella Kobayashi 1960
+
Cyclolorenzella acalle Walcott 1905
Cyclolorenzella convexa Resser and Endo 1937
Cyclolorenzella hebeiensis Zhu and Wittke 1989
Cyclolorenzella parabola Resser and Endo 1937
Cyclolorenzella uniforma Zhu and Wittke 1989
G. †Diceratocephalus Lu 1954
+
G. †Fenghuangella Yang 1977
+
Fenghuangella coniformis Ergaliev 1980
Fenghuangella lata Qian and Zhou 1984
Fenghuangella magnispina Lin et al. 1983
Fenghuangella striata Qian and Zhou 1984
Fenghuangella subtriangularis Lin et al. 1983
Invalid names: Cyclolorenzellina Ergaliev 1980 [synonym]
G. †Tholifrons Palmer 1968
+
Tholifrons minuta Palmer 1968
Invalid names: Paraphoreotropis Shaw 1968 [synonym]
G. †Trigocephalus Duan et al. 1999
+
Trigocephalus trigoformis Duan et al. 1999
Fm. †Elviniidae Kobayashi 1936
+
G. †Chariocephalus Hall 1863
+
Chariocephalus tumifrons Hall and Whitfield 1877
G. †Dartonaspis Miller 1936
G. †Drumaspis Resser 1942
+
Drumaspis sabulosa Grant 1962
Drumaspis tanycodia Grant 1962
G. †Dunderbergia Walcott 1924
+
Dunderbergia bigranulosa Palmer 1960
Dunderbergia brevispina Palmer 1965
Dunderbergia calculosa Palmer 1965
Dunderbergia halli Resser 1935
Dunderbergia polybothra Palmer 1960
Dunderbergia simplex Rasetti 1961
G. †Dytremacephalus Palmer 1954
+
Dytremacephalus laevis Palmer 1954
Dytremacephalus strictus Rasetti 1965
G. †Elburgia Palmer 1960
+
Elburgia intermedia Palmer 1965
Elburgia quinnensis Resser 1942
G. †Elvinaspis Ergaliev 2001
+
Elvinaspis explicatus Ergaliev 2001
G. †Elvinia Walcott 1924
G. †Elviniella Palmer 1960
+
Elviniella laevis Palmer 1960
G. †Elvinoides Ivshin 1962
G. †Elviraspis Ivshin 1962
G. †Elyaspis Kurtz 1975
G. †Irvingella Ulrich and Resser 1924
+
Irvingella angustilimbata Kobayashi 1938
Irvingella flohri Resser 1942
+
Invalid names: Irvingella adamsensis Resser 1942 [synonym]
Irvingella major Ulrich and Resser 1924
+
Invalid names: Irvingella septentrionalis Walcott and Resser 1924 [synonym]
Irvingella norilica Lazarenko 1968
Irvingella perfecta Chernysheva 1968
Irvingella transversa Palmer 1965
Irvingella tropica Opik 1963
Invalid names: Komaspis Kobayashi 1935 [synonym], Parairvingella Kobayashi 1938 [synonym]
G. †Jessievillia Hohensee and Stitt 1989
+
Jessievillia radiatus Hohensee and Stitt 1989
G. †Kujandina
G. †Maladioides Kobayashi 1933
+
Maladioides qinlingensis Yang et al. 1993
G. †Megadunderbergia Kobayashi 1938
G. †Onchopeltis Rasetti 1944
+
Onchopeltis spectabilis Rasetti 1944
G. †Paraenshia Qiu 1983
G. †Pesaia Walcott and Ressler 1928
G. †Prismenaspis Henderson 1976
+
Prismenaspis magnus Ergaliev 1980
Prismenaspis trisulcatus Ergaliev 1980
G. †Pseudosaukia Rasetti 1944
+
Pseudosaukia sesostris Billings 1865
G. †Qingshuihella Zhang 1980
G. †Indiligens Özdikmen 2009
+
Indiligens clonograpti Stubblefield and Bulman 1927
Invalid names: Hospes Stubblefield and Bulman 1927 [replaced]
G. †Kazellina Sivov 1955
Fm. †Kingstoniidae Kobayashi 1935
+
G. †Ankoura Resser 1938
G. †Blountia Walcott 1916
+
Blountia alemon Walcott 1916
Blountia alexas Walcott 1916
Blountia amage Walcott 1916
Blountia andreas Walcott 1916
Blountia anser Walcott 1916
Blountia mimula Walcott 1916
Blountia terranovica Resser 1942
Blountia virginica Rasetti 1961
Invalid names: Homodictya Raymond 1937 [synonym], Protillaenus Raymond 1937 [synonym]
G. †Brachyaspidion Miller 1936
G. †Bynumia Walcott 1924
+
Bynumia eumus Walcott 1924
G. †Bynumina Resser 1942
G. †Calvipelta Westrop 1986
G. †Clelandia Cossman 1902
+
Clelandia aspina Ross and Barnes 1967
Clelandia bispina Ross and Barnes 1967
Clelandia parabola Cleland 1900
Clelandia utahensis Ross 1951
Invalid names: Bynumiella Resser 1942 [synonym], Harrisia Cleland 1900 [replaced]
G. †Ithycephalus Resser 1938
G. †Kingstonia Walcott 1924
+
Kingstonia apion Walcott 1924
Kingstonia ara Walcott 1924
Kingstonia neimonggolensis Zhang and Zhou 1993
Kingstonia peltata Palmer and in Palmer and Peel 1981
Kingstonia vagrans Lochman 1938
G. †Komaspidella Kobayashi 1938
+
Komaspidella laevis Rasetti 1961
Komaspidella lata Rasetti 1961
Komaspidella thea Walcott 1890
Invalid names: Ataktaspis Lochman and Duncan 1944 [synonym], Buttsina Rozova 1968 [synonym]
G. †Larifugula Ludvigsen 1982
G. †Pugionicauda Westrop 1986
G. †Saonella Rozova 1968
+
Saonella saonica Rozova 1968
G. †Wanwanaspis Kobayashi 1966
+
Wanwanaspis pygidion Shergold 1975
Fm. †Lisaniidae Chang 1963
+
G. †Dazhuia Yang et al. 1993
+
Dazhuia dazhuensis Yang et al. 1993
G. †Eoshengia Yang 1978
+
Eoshengia constricta Zhang 1981
Eoshengia dongqinlingia Yang et al. 1993
Eoshengia gaoqiaogouensis Yang et al. 1993
Eoshengia paratenuis Yang et al. 1993
Eoshengia parva Yang et al. 1993
Eoshengia rigida Yang et al. 1993
Eoshengia shorteglabella Yang et al. 1993
Eoshengia spinosa Yang 1978
Eoshengia tenuis Zhang 1981
Invalid names: Baojingia Yang 1977 [synonym]
G. †Extrania Qian 1983
+
Extrania trigona Yang et al. 1993
G. †Himalisania Peng et al. 2009
+
Himalisania sudani Jell and Hughes 1997
G. †Lisaniella Chang 1963
+
Lisaniella elongata Chang 1963
Lisaniella elongataformis Ergaliev 1980
G. †Megalisania Qiu 1983
G. †Metalisania Ju 1983
+
G. †Paralisaniella Qiu 1983
G. †Platylisania Zhang and Jell 1987
G. †Quandraspis Yang et al. 1993
+
Quandraspis shengwanensis Yang et al. 1993
G. †Redlichaspis Kobayshi 1935
G. †Shengia Xiang 1963
+
Shengia quadrata Hsiang 1963
Shengia trapezia Peng 1992
G. †Xichuania Yang et al. 1993
+
Xichuania magnipalpebra Yang et al. 1993
Xichuania xiuzigouensis Yang et al. 1993
Fm. †Lonchocephalidae Hupé 1955
+
G. †Amiaspis Lochmann 1944
G. †Bolaspidellus Lazerenko and Datsenko 1967
G. †Calymenidius Rasetti 1944
+
Calymenidius tuberculatus Rasetti 1944
G. †Caulaspina Rozova 1963
+
Caulaspina convexa Rozova 1963
G. †Caulaspis Rozova 1960
G. †Durinia Robison 1988
G. †Glaphyraspis Resser 1937
+
Glaphyraspis ovata Rasetti 1961
Glaphyraspis parva Walcott 1899
Glaphyraspis parviformis Ergaliev 1980
Invalid names: Raaschella Lochmann 1938 [synonym]
G. †Hawkinsaspis Rasetti 1968
+
Invalid names: Hawkinsia Rasetti 1965 [replaced]
G. †Interalia Opik 1967
G. †Kuraspis Chernysheva 1959
+
Kuraspis acricula Rozova 1963
Kuraspis antiqua Rozova 1964
Kuraspis similis Chernysheva 1960
G. †Kuraspoides Ogienko and Garina 1999
G. †Lonchocephalus Owen 1852
+
Invalid names: Bucksella Howel 1957 [synonym]
G. †Monosulcatina Rozova 1963
+
Monosulcatina laeve Rozova 1963
G. †Neoglaphyraspis Yuan and Yin 1998
+
Neoglaphyraspis nitida Yuan and Yin 1998
Neoglaphyraspis trapezoidalis Yuan and Yin 1998
G. †Neograciella Özdikmen 2006
+
Neograciella graciensis Rozova 1963
Invalid names: Graciella Rozova 1963 [replaced]
G. †Nordia Rozova 1968
+
Nordia lepida Rozova 1968
G. †Olegaspis Ivshin 1962
G. †Pseudotalbotina Benedetto 1977
G. †Quebecaspis Rasetti 1944
+
Quebecaspis breviceps Rasetti 1944
Quebecaspis conifrons Rasetti 1961
Quebecaspis marylandica Rasetti 1961
G. †Raashellina Rozova 1963
+
Raashellina paula Rozova 1963
G. †Talbotina Lochman 1938
+
Talbotina degrasensis Lochman 1938
Talbotina levisensis Rasetti 1944
Talbotina solitaris Lochman 1938
G. †Terranovella Lochman 1938
+
Terranovella arcuata Palmer and in Palmer and Peel 1981
Terranovella brevis Palmer 1965
Terranovella dorsalis Hall 1863
Terranovella obscura Lochman 1938
G. †Trymataspis Robison 1964
+
Trymataspis depressa Robinson 1964
G. †Weeksina Resser 1935
+
Weeksina granulatus Walcott 1916
Weeksina unispinus Walcott 1916
Fm. †Lorenzellidae Zhang 1963
+
G. †Damiaoaspis Chen 1983
G. †Inouyops Resser 1942
+
Inouyops abnormis Zhang et al. 1980
Inouyops latilimbatus Zhang and Yuan 1981
Inouyops longispinus Zhang et al. 1980
Inouyops titiana Walcott 1905
G. †Inoyellaspis Ivshin 1952
G. †Jiangjunshania Qiu 1983
G. †Jinnania Zhang et al. 1980
+
Jinnania ruichengensis Zhang et al. 1980
G. †Lorenzella Kobayashi 1935
+
Lorenzella convexa Endo and Resser 1937
Lorenzella wutaiensis Chang 1965
G. †Paralorenzella Zhang 1983
G. †Porilorenzella Chang 1963
+
Porilorenzella intermedia Zhang et al. 1980
G. †Pseudolorenzella Romanenko 1970
G. †Ptyctolorenzella Zhang et al. 1980
+
Ptyctolorenzella rugosa Zhang et al. 1980
Ptyctolorenzella xuzhuangensis Lu and Zhu 2001
Fm. †Marjumiidae Kobayashi 1935
+
G. †Anemocephalops Ivshin 1962
G. †Coosella Lochman 1936
+
Coosella helena Lochman 1938
Coosella intermediens Lochman 1938
Coosella perplexa Palmer 1954
Coosella prolifica Lochman 1936
G. †Crepichilella Wilson 1951
G. †Glyphopeltis Deiss 1939
G. †Holmdalia Robison 1988
G. †Ithyektyphus Shaw 1956
G. †Lecanopleura Raymond 1937
G. †Modocia Walcott 1924
+
Modocia arctica Walcott and Resser 1924
Modocia integella Rozova 1964
Modocia nevadensis Palmer 1954
+
Invalid names: Ptychoparia oweni Meek and Hayden 1861 [replaced]
Modocia obscura Zhang et al. 1980
Modocia oweni Meek and Hayden 1861
Modocia penfieldi Walcott 1899
Invalid names: Armonia Walcott 1924 [synonym], Metisia Resser 1937 [synonym], Perioura Resser 1938 [synonym]
G. †Nasocephalus Wilson 1954
+
Nasocephalus nasutus Wilson 1954
G. †Nericella Rozova 1964
+
Nericella diffusa Rozova 1964
G. †Nericia Westgard 1948
+
Nericia quinquedentata Westergard 1948
G. †Pearylandia Robison 1988
G. †Petruninaspis Ivshin 1962
G. †Schyilaspis Ivshin 1962
G. †Shickshockia Rasetti 1946
G. †Syspacheilus Resser 1938
Invalid names: Coosellidae Palmer 1954 [synonym]
G. †Meniscocoryphe Ludvigsen et al. 1989
Fm. †Menomoniidae Walcott 1916
+
G. †Ampullatocephalina Lu and Qian 1983
G. †Balderia Robison 1988
G. †Biaverta Opik 1967
G. †Bolaspidella Resser 1937
+
Bolaspidella contracta Robison 1964
Bolaspidella convexa Howell 1937
Bolaspidella housensis Walcott 1886
Bolaspidella prooculis Palmer 1954
Bolaspidella stymacantha Robison 1988
Invalid names: Deissella Howell and Duncan 1939 [synonym], Deltophthalamus Resser 1938 [synonym], Howellaspis Lochmann and Denson 1944 [synonym], Hysteropleura Raymond 1937 [synonym]
G. †Bridgeia Lochman 1944
G. †Coenaspis Resser 1938
G. †Dresbachia Walcott 1916
G. †Knechtelia Lochman 1950
+
Invalid names: Josina Lochmann and Hu 1960 [synonym]
G. †Menomonia Walcott 1916
+
Invalid names: Densonella Shaw 1952 [synonym]
G. †Nephalicephalus Peters 2003
G. †Paramenomonia Chu 1959
+
G. †Tavsenia Robison 1988
G. †Verditerrina Robison 1988
G. †Neoanomocarella Xiang 1963
+
Neoanomocarella asiatica Hsiang 1963
Invalid names: Neoanomocarella asiatica Hsiang 1963 [valid]
Fm. †Norwoodiidae Walcott 1916
+
G. †Cedaraspis Ivshin 1960
G. †Hardyoides Kobayashi 1938
+
Hardyoides damaensis Duan 2004
Hardyoides mimicus Palmer 1965
Hardyoides sinensis Peng 1992
Invalid names: Norwoodina Lochman 1940 [synonym]
G. †Holcacephalus Resser 1938
G. †Levisaspis Rasetti 1943
G. †Norwoodella Resser 1938
G. †Norwoodia Walcott 1916
+
Norwoodia katherina Lochman 1938
G. †Paranorwoodia Rasetti 1945
Subor. †Olenina Hupe 1952
+
Invalid names: Hypermecaspididae Harrington and Leanza 1957 [empty], Proetacea Corda 1847 [empty]
Fm. †Papyriaspididae Whitehouse 1939
+
G. †Badainjaranaspis Lu et al. 1986
G. †Papyriaspis Whitehouse 1939
+
Papyriaspis lanceola Whitehouse 1939
G. †Pianaspis Saito and Sakakura 1936
+
Pianaspis attenuata Lermontova and Chernysheva 1950
Pianaspis dictyodroma Yang et al. 1993
Pianaspis insuetus Lu and Zhu 1980
Pianaspis sinensis Yang 1978
Pianaspis sors Öpik 1961
G. †Prohedinia Lermontova and Chernysheva 1950
+
Invalid names: Tosotychia Opik 1961 [synonym]
G. †Wandelella Robison 1988
G. †Wangcunia Peng et al. 1995
+
Wangcunia wangcunensis Peng et al. 1995
Fm. †Phylacteridae Ludvigsen and Westrop 1989
+
G. †Aphelotoxon Palmer 1965
+
Aphelotoxon acuminata Palmer 1960
Aphelotoxon granulosus Palmer 1965
Aphelotoxon limbata Palmer 1965
Aphelotoxon lumaleasa Hohensee and Stitt 1989
Aphelotoxon marginata Palmer 1965
Aphelotoxon punctata Palmer 1965
Aphelotoxon spinosus Palmer 1965
Invalid names: Ponumia Hu 1970 [synonym]
G. †Cliffia Wilson 1951
+
Cliffia lataegenae Wilson 1949
Cliffia magnacilis Hohensee and Stitt 1989
Cliffia nicoleae Chatterton 2020
G. †Drabia Wilson 1951
+
Drabia acroccipita Wilson 1951
Drabia curtoccipita Wilson 1951
Drabia occidentalis Westrop 1986
Drabia typica Hu 1979
G. †Phylacterus Raymond 1924
+
Invalid names: Liostracinoides Raymond 1937 [synonym]
G. †Westonaspis Rasetti 1945
Fm. †Plethopeltidae Raymond 1925
+
G. †Arapahoia Miller 1936
+
Arapahoia raymondi Lochman 1938
Arapahoia typa Miller 1936
G. †Exigua Howell 1937
+
Invalid names: Brassicicephalus Lochmann 1940 [synonym]
G. †Koldinia Walcott and Resser 1928
+
Koldinia minor Kobayashi 1943
Koldinia odelli Peng et al. 2009
G. †Koldiniella Sivov 1955
+
Koldiniella convexa Lazarenko 1960
G. †Kuljumbina Lazerenko 1960
G. †Leiocoryphe Clark 1924
+
Leiocoryphe brevis Raymond 1924
Leiocoryphe gemma Clark 1924
Leiocoryphe occipitalis Rasetti 1944
G. †Meniscocoryphe Ludvigsen et al. 1989
G. †Notaiella Ogienko 1974
G. †Plethopeltides Maksimova 1962
+
Plethopeltides magnus Maksimova 1962
G. †Plethopeltis Raymond 1913
+
Plethopeltis levis Walcott 1899
Invalid names: Plethometopus Ulrich 1931 [synonym]
G. †Plethopeltoides Khramova 1968
+
Invalid names: Kulyumbopeltis Rozova 1968 [synonym]
G. †Poriplethopeltis Yuan and Yin 1998
+
Poriplethopeltis sinensis Yuan and Yin 1998
G. †Pseudokoldinella Timokhin 1988
G. †Samgonus Özdikmen 2006
+
Samgonus nitens Opik 1967
Invalid names: Lampropeltis [replaced]
G. †Semicyclocephalus Ivshin 1952
G. †Stenopilus Raymond 1924
+
Stenopilus elongatus Rasetti 1944
Stenopilus hirtus Rozova 1968
Stenopilus intermedius Clark 1924
Stenopilus pronus Raymond 1924
G. †Strotocephala Raymond 1937
G. †Tolstotchichaspis Rozova 1960
Fm. †Proasaphiscidae Zhang 1963
+
G. †Alomataspis Opik 1967
G. †Atilayus Özdikmen 2006
+
Atilayus orientalis Ogienko 1969
Invalid names: Deltocephalus Ogienko 1969 [replaced]
G. †Chelidonocephalus King 1937
G. †Dananzhuangaspis Lin 1983
G. †Daopingia Lee 1978
+
Daopingia elongatus Zhao and Huang 1981
Daopingia guizhouensis Zhao and Huang 1981
G. †Derikaspis Dean 1982
G. †Eymekops Resser and Endo 1935
+
Invalid names: Kolpura Resser and Endo 1935 [synonym]
G. †Gangdeeria Zhang et al. 1980
+
Gangdeeria angusta Zhang et al. 1980
Gangdeeria neimengguensis Zhang et al. 1980
G. †Gloriagloria Jell 2003
+
Invalid names: Gloria Egorova and Savitsky 1968 [replaced]
G. †Grandioculus Cossmann 1908
G. †Guankouia Zhang et al. 1995
+
Guankouia longa Meng 1977
G. †Hadraspis Zhang et al. 1980
+
Hadraspis monanensis Zhang et al. 1980
G. †Hatangia Egorova and Savitsky 1968
G. †Honanaspis Chang 1959
+
Honanaspis angustigenatus Zhang et al. 1980
Honanaspis microps Zhang et al. 1980
Honanaspis transversus Zhang et al. 1980
G. †Honania Li 1965
+
Honania lata Li 1965
Honania panda Zhang et al. 1980
Honania pansa Zhang et al. 1980
G. †Huaibeia Bi 1983
G. †Hundwarella Reed 1934
+
Hundwarella memor Reed 1910
Invalid names: Anomocaraspis Ivshin 1953 [synonym]
G. †Iranoleesia King 1955
+
Iranoleesia butes Walcott 1905
Invalid names: Heyelingella Zhang et al. 1980 [synonym], Michaspis Egorova and Savitsky 1968 [synonym]
G. †Jiangsuaspis Lin 1983
G. †Jiangsucephalus Qiu 1983
G. †Jiangsuia Lin et al. 1983
+
Jiangsuia cylindrica Qian and Zhou 1984
Jiangsuia typica Lin et al. 1983
G. †Jiubaspis Zhang et al. 1980
+
Jiubaspis brevica Zhang et al. 1980
Jiubaspis longus Zhang et al. 1980
G. †Jixianella Zhang 2001
+
Jixianella jixianensis Zhang et al. 1995
Invalid names: Jixiania Zhang et al. 1995 [replaced]
G. †Koptura Resser and Endo 1935
+
Koptura lisani Walcott 1911
Koptura temenus Lin et al. 1983
G. †Kutsingocephalus Li and Wang 1963
+
Kutsingocephalus kutsingensis Li and Wang 1963
Kutsingocephalus yankongensis Zhang et al. 1980
G. †Lioparella Kobayashi 1937
+
Invalid names: Zhuozishania Zhang and Yuan 1981 [synonym]
G. †Luonanocephalus Yang et al. 1993
+
Luonanocephalus luoheensis Yang et al. 1993
G. †Manchuriella Resser and Endo 1935
+
Manchuriella macar Walcott 1911
Manchuriella suyangensis Zhang et al. 1980
Manchuriella tenuilabrosa Resser and Endo 1937
G. †Maotunia Zhang and Jell 1987
G. †Memmatella Zhang et al. 1995
+
Memmatella tubercula Zhang et al. 1995
G. †Miaobanpoia Yuan and Zhao 2002
+
Miaobanpoia angustilimbata Zhang et al. 1980
G. †Plectrocrania Zhang et al. 1980
+
Plectrocrania minor Zhang et al. 1980
G. †Proacanthocephalus Özdikmen 2008
+
Invalid names: Acanthocephalus Qiu 1983 [replaced]
G. †Proasaphiscina Zhang et al. 1980
+
Proasaphiscina mantoushanensis Lu and Zhu 2001
Proasaphiscina monanensis Zhang et al. 1980
Proasaphiscina quadrata Zhang et al. 1980
Proasaphiscina taosigouensis Zhang and Yuan 1981
G. †Proasaphiscus Resser and Endo 1935
+
Proasaphiscus granulus Zhang et al. 1995
Proasaphiscus quadratus Zhang et al. 1980
Proasaphiscus simoni Peng et al. 2009
Proasaphiscus yabei Resser and Endo 1935
G. †Pseudanomocarina Chernysheva 1956
G. †Shanxiella Zhang et al. 1980
+
Shanxiella rara Zhang et al. 1980
Shanxiella venusta Zhang et al. 1980
G. †Stella Egorova and Savitsky 1968
G. †Sudanomocarina Jell 1978
+
Sudanomocarina sinindica Peng et al. 2009
G. †Szeaspis Chang 1959
+
Szeaspis centronatus Resser and Endo 1937
G. †Tankhella Chernysheva 1961
G. †Urjungaspis Egorova and Savitsky 1968
G. †Wolfartius Özdikmen 2006
+
Wolfartius abundans Wolfart 1974
Invalid names: Farsia Wolfart 1974 [replaced]
G. †Yujinia Zhang et al. 1980
+
Yujinia angustilimbata Zhang et al. 1980
Yujinia latilimbata Zhang et al. 1995
Yujinia ludianensis Meng 1977
Yujinia magna Zhang et al. 1980
Yujinia shanxiensis Zhang et al. 1980
G. †Zhongtiaoshanaspis Zhang et al. 1980
+
Zhongtiaoshanaspis minus Zhang et al. 1980
Zhongtiaoshanaspis rara Zhang et al. 1980
Zhongtiaoshanaspis ruichengensis Zhang et al. 1980
Zhongtiaoshanaspis similis Zhang and Yuan 1981
Invalid names: Holanshaniidae Chang 1963 [invalid subgroup], Tengfengiidae Chang 1963 [invalid subgroup]
Fm. †Ptychopariidae Matthew 1887
+
G. †Achlysopsis Fritz 1968
+
Achlysopsis brighamensis Resser 1939
Achlysopsis hemitora Fritz 1968
Achlysopsis liokata Fritz 1968
G. †Altikolia Hajrullina 1961
+
Altikolia kurshabica Pour and Popov 2009
G. †Altitudella Repina 1974
G. †Amecephalites Eddy and McCollum 1998
+
Amecephalites sundbergi Eddy and McCollum 1998
G. †Asthenopsis Whitehouse 1939
+
Asthenopsis butorosa Jell 1978
Asthenopsis levior Whitehouse 1939
Asthenopsis opalensis Jell 1978
G. †Austinvillia Resser 1938
G. †Balangcunaspis Yuan et al. 1997
+
Balangcunaspis subcylindricus Yuan et al. 1997
Balangcunaspis transversus Yuan et al. 1997
G. †Bathyholcus Rasetti 1961
+
Bathyholcus gaspensis Rasetti 1961
Bathyholcus sulcatus Rasetti 1961
G. †Bathyocos Sundberg 1994
+
Bathyocos housensis Sundberg 1994
G. †Billingsaspis Resser 1935
+
Billingsaspis vulcanus Billings 1861
G. †Binodaspis Lermontova 1951
+
Invalid names: Xilingxia Zhang et al. 1980 [synonym]
G. †Bolaspidina Lermontova 1960
G. †Braintreella Wheeler 1942
+
Braintreella rogersi Walcott 1884
G. †Brunswickia Howell 1937
G. †Caborcella Lochman 1948
+
Caborcella arrojosensis Lochman 1948
Caborcella collaris Rasetti 1951
Caborcella pseudaulax Palmer and Halley 1979
Caborcella reducta Palmer and Halley 1979
Caborcella trifossatus Mason 1935
G. †Cathayanella Yuan and Yin 1998
+
Cathayanella granulosa Yuan and Yin 1998
G. †Champlainia Howell 1937
G. †Chengshanaspis Chang 1963
+
Chengshanaspis conica Yuan et al. 1997
G. †Conopolus Robison 1988
+
Conopolus granulus Robison 1968
G. †Deltina Sundberg 1994
+
Deltina angustigena Sundberg 1994
Deltina limba Sundberg 1994
G. †Douposiella Lu and Zhang 1974
+
Douposiella himalaica Reed 1910
Invalid names: Tongshania Qui and Lin 1983 [synonym]
G. †Entsyna Rozova 1968
+
Entsyna entsynica Rozova 1968
G. †Eokaotaia Yuan and Zhao 1994
+
Eokaotaia laoyingshanensis Yuan and Li 1999
G. †Eoptychoparia Rasetti 1955
+
Eoptychoparia benxiensis Guo and An 1982
Eoptychoparia manifesta Lazarenko 1962
Eoptychoparia nangaoensis Zhang et al. 1980
G. †Eospencia Chernysheva 1961
G. †Eurostina Whitehouse 1939
G. †Gaotanaspis Zhang and Li 1984
G. †Gaphuraspis Ivshin 1957
G. †Gedongaspis Yuan et al. 1997
+
Gedongaspis granulosa Yuan et al. 1997
Gedongaspis oblonga Yuan et al. 1997
G. †Gunnia Gatehouse 1968
+
Gunnia smithi Peng et al. 2009
Invalid names: Yiliangaspis Luo 1994 [synonym]
G. †Holasaphus Matthew 1895
G. †Illtydaspis Fritz 1991
+
Illtydaspis aphylla Fritz 1991
Illtydaspis ornata Fritz 1991
G. †Jangudaspis Ogienko 1956
+
Jangudaspis princeps Ogienko 1956
G. †Jiagouia Qiu 1983
+
G. †Jialaopsis Qian and Zhou 1974
+
Jialaopsis latus Qian and Zhou 1974
G. †Jianchangia Guo and An 1982
+
Jianchangia nanshanensis Guo and An 1982
G. †Jiumenia Zhang et al. 1980
+
Jiumenia spinosa Zhang et al. 1980
Jiumenia typica Zhang et al. 1980
G. †Kaotaia Lu 1962
+
Kaotaia gedongensis Yuan and Zhao 1994
Kaotaia globosa Chang and Zhou 1974
Kaotaia longa Zhang et al. 1980
Kaotaia magna Lu 1945
Kaotaia prachina Peng et al. 2009
Kaotaia qinkouensis Zhou 1974
G. †Kochiella Poulsen 1927
+
Kochiella arenosa Resser 1939
Kochiella augusta Walcott 1886
Kochiella brevaspis Sundberg and McCollum 2002
Kochiella chares Walcott 1917
Kochiella crito Walcott 1917
Kochiella eiffelensis Rasetti 1951
Kochiella gracilis Poulsen 1927
Kochiella mackenziensis Norford 1968
Kochiella mansfieldi Resser 1939
Kochiella maxeyi Rasetti 1951
Kochiella rasettii Sundberg and McCollum 2002
Kochiella tuberculata Poulsen 1927
Invalid names: Eiffelaspis Chang 1963 [synonym]
G. †Kochiellina Palmer and Halley 1979
+
Kochiellina groomensis Palmer and Halley 1979
Kochiellina janglensis Palmer and Halley 1979
G. †Kounamkites Chernysheva 1956
G. †Kunmingaspis Lu and Chang 1974
+
Invalid names: Benxiaspis Guo and An 1982 [synonym]
G. †Laminurus Repina 1959
+
Laminurus insuetus Repina 1964
G. †Laoyingshania Yuan and Li 1999
+
Laoyingshania triangularis Yuan and Li 1999
G. †Luxella Rasetti 1955
G. †Lyriaspis Whitehouse 1939
G. †Meitania Zhang et al. 1980
+
Meitania similis Zhang et al. 1980
Meitania suni Lu 1945
G. †Parashuiyuella Yuan et al. 1997
+
Parashuiyuella sinensis Yuan et al. 1997
Parashuiyuella subcylindrica Yuan et al. 1997
Invalid names: Promeitania Yuan et al. 1997 [synonym]
Invalid names: Majiangia Lu and Qian 1983 [synonym]
G. †Meniscopsia Robison and Babcock 2011
+
Meniscopsia beebei Robison and Babcock 2011
Invalid names: Selenocoryphe Beebe 1990 [nomen nudum], Selenocoryphe platyura Beebe 1990 [nomen nudum]
G. †Monanocephalus Zhang et al. 1980
+
Monanocephalus latus Zhang et al. 1995
Monanocephalus liquani Peng et al. 2009
Monanocephalus zhongtiaoshanensis Zhang et al. 1980
G. †Mufushania Lin 1965
+
Mufushania transversa Yang et al. 1993
G. †Nangaoia Zhou 1974
+
Subg. †Nangaoia (Shilengshuia) Zhang et al. 1980
+
Nangaoia (Shilengshuia) conica Yuan and Zhao 2002
Shilengshuia contracta Zhang et al. 1980
Shilengshuia jiubaensis Zhang et al. 1980
Shilengshuia lata Zhang et al. 1980
Nangaoia megaceps Zhou 1974
G. †Nangaops Zhang et al. 1980
+
Nangaops brevicus Zhang et al. 1980
Nangaops danzhaiensis Zhou 1974
Nangaops elongatus Zhang et al. 1980
Nangaops nangaoensis Zhang et al. 1980
G. †Nassovia Howell 1937
G. †Neoblairella Özdikmen 2006
+
Invalid names: Blairella Rasetti 1965 [replaced]
G. †Neoregina Özdikmen 2006
+
Neoregina opipara Egorova 1967
Invalid names: Regina Egorova 1967 [replaced]
G. †Olenekina Egorova 1970
G. †Onchocephalites Rasetti 1957
+
Onchocephalites claytonensis Sundberg and McCollum 2003
Onchocephalites laevis Rasetti 1957
Onchocephalites permingeati Termier and Termier 1950
G. †Orienturus Repina 1973
G. †Orlovia Walcott and Resser 1924
+
Orlovia arctica Walcott and Resser 1924
G. †Orloviella Sigov 1955
G. †Pachyaspis Resser 1938
+
Pachyaspis benxiensis Guo and An 1982
Pachyaspis deborra Lochman 1952
Pachyaspis gallagari Fritz 1968
Pachyaspis isabella Lochman 1952
Pachyaspis longa Fritz 1968
G. †Paleonelsonia Özdikmen 2008
+
Paleonelsonia schesis Palmer and Gatehouse 1972
Invalid names: Nelsonia Palmer and Gatehouse 1972 [replaced]
G. †Palmerara Özdikmen 2009
+
Palmerara granosa Resser 1939
Invalid names: Nyella Palmer and Halley 1979 [replaced]
G. †Palmeraspis Repina 1973
G. †Panacus Eddy and McCollum 1998
+
Panacus palmeri Eddy and McCollum 1998
G. †Paraeosoptychoparia Qiu 1983
G. †Parahiolites Kobayashi 1967
+
Invalid names: Paramecephalus Zhang et al. 1980 [synonym]
G. †Paraperiomma Zhou 1974
+
Paraperiomma huangnipoensis Zhang et al. 1980
Paraperiomma nodosa Yang et al. 1993
G. †Paraplagiura Zhang 1983
G. †Parapoulsenia Rasetti 1957
G. †Paraziboaspis Nan and Chang 1982
+
Paraziboaspis angustilimbata Yuan and Li 1999
Paraziboaspis intermedia Yuan and Li 1999
Paraziboaspis rara Yuan and Li 1999
G. †Periommella Resser 1938
G. †Piaziella Lochman 1947
+
Piaziella pia Walcott 1917
Piaziella rara Fritz 1972
G. †Pingluaspis Zhang and Wang 1986
+
Pingluaspis minor Zhang and Wang 1986
G. †Piochella Sundberg and McCollum 2003
+
Piochella peasleensis Sundberg and McCollum 2003
G. †Plagiura Resser 1935
+
Plagiura cercops Walcott 1917
Plagiura cleadas Walcott 1917
Plagiura extensa Palmer and Halley 1979
Plagiura minor Palmer and Halley 1979
Plagiura retracta Palmer and Halley 1979
Invalid names: Plagiurella Resser 1937 [synonym], Ruichengella Zhang et al. 1980 [synonym]
G. †Plesiamecephalus Lin and Qiu 1983
+
Plesiamecephalus conicus Yuan and Li 1999
G. †Poulsenella Rozova 1963
+
Poulsenella latensis Rozova 1963
G. †Poulsenia Resser 1936
+
Poulsenia decipiens Zhang et al. 1980
G. †Probowmania Kobayashi 1935
+
Probowmania balangensis Yuan et al. 1997
Probowmania bhatti Peng et al. 2009
Probowmania divergens Yuan and Li 1999
Probowmania huainanensis Yuan and Li 1999
Probowmania quadrata Yuan and Li 1999
Probowmania similis Yuan and Li 1999
G. †Probowmaniella Chang 1963
+
Probowmaniella jixianensis Zhang et al. 1995
Probowmaniella lata Zhang et al. 1980
G. †Probowmanops Ju 1983
+
G. †Proliostracus Poulson
+
Proliostracus annosus Fritz 1972
Proliostracus latus Fritz 1972
G. †Protohedinia Endo 1944
G. †Psilostracus Chang 1963
+
Psilostracus banpoyangensis Zhang et al. 1995
Psilostracus carinatus Lu et al. 1988
Psilostracus changqingensis Lu et al. 1988
Psilostracus impar Walcott 1905
Psilostracus latus Lu et al. 1988
Psilostracus mantoensis Walcott 1905
Psilostracus maozhuangensis Lu et al. 1988
Psilostracus shuiyuensis Zhang et al. 1980
Psilostracus xiaoyuhougouensis Guo and An 1982
G. †Ptychoparella Poulson 1927
+
Ptychoparella minuta Yang et al. 1993
Ptychoparella usualis Chien and Zhou 1974
Invalid names: Elrathina Resser 1937 [synonym], Syspacephalus Resser 1936 [synonym]
Subfm. †Ptychopariinae Matthew 1887
+
G. †Mikaparia Kordule 2006
+
Mikaparia milena Kordule 2006
G. †Ptychoparia Corda 1847
+
Ptychoparia anderseni Henningsmoen 1952
Ptychoparia annectans Walcott 1884
Ptychoparia annio Cobbold 1910
Ptychoparia anytus Hall and Whitfield 1877
Ptychoparia candace Walcott 1917
Ptychoparia candace Walcott 1917
Ptychoparia dubinka Kordule 2006
Ptychoparia haguei Hall and Whitfield 1877
Ptychoparia logani Devine 1863
Ptychoparia nitidus Hall and Whitfield 1877
Ptychoparia pernasutus Walcott 1884
Ptychoparia pylas Walcott 1917
Ptychoparia striata Whitfield 1878
Ptychoparia striatus Emmrich 1839
Ptychoparia tuberosa Feniak 1952
Ptychoparia unisulcatus Hall and Whitfield 1877
Invalid names: Agraulopsis Ruzicka 1940 [synonym]
G. †Ptychoparioides Rka 1940
+
Ptychoparioides chlupaci Kordule 2006
Ptychoparioides henkli Kordule 2006
G. †Qiaotouaspis Guo and An 1982
+
Qiaotouaspis qiaotouensis Guo and An 1982
Qiaotouaspis shandongensis Lu et al. 1988
G. †Regius Egorova 1970
G. †Salankanaspis Egorova 1970
G. †Sanwania Zhang et al. 1980
+
Sanwania prima Yuan et al. 1997
G. †Semisphaerocephalus Ivshin 1953
G. †Shantungaspis Chang 1957
+
Shantungaspis aclis Walcott 1905
Shantungaspis orientalis Endo and Resser 1937
G. †Shuiyuella Zhang et al. 1980
+
Shuiyuella triangularis Zhang et al. 1980
G. †Sinoptychoparia Lu and Chang 1974
+
Sinoptychoparia huannipoensis Zhang et al. 1980
G. †Spencella Rasetti 1963
+
Spencella buttsi Resser 1938
Spencella utahensa Sundberg 1994
G. †Spencia Resser 1939
+
Spencia plena Resser 1939
Spencia quadrata Fritz 1968
Spencia typicalis Resser 1939
Invalid names: Stauroholcus Resser 1939 [synonym]
G. †Stoecklinia Wolfart 1974
G. †Suluktella Hajrullina 1975
+
Suluktella mambetovi Pour and Popov 2009
G. †Townleyella Opik 1967
+
Townleyella rara Yuan and Yin 1998
Townleyella similis Yuan and Yin 1998
G. †Trigonyangaspis Jell and Adrain 2002
+
Trigonyangaspis hujiaensis Yang et al. 1993
Invalid names: Trigonaspis Yang et al. 1993 [replaced]
G. †Tukalandaspis Lazarenko 1968
+
Tukalandaspis egens Lazarenko 1968
G. †Ulrichaspis Rasetti 1945
G. †Variopelta Fritz 1972
+
Variopelta laevis Fritz 1972
G. †Vermontella Howel 1937
G. †Volocephalina Palmer and Halley 1979
+
Volocephalina connexa Palmer and Halley 1979
Volocephalina contracta Palmer and Halley 1979
Volocephalina variosa Eddy and McCollum 1998
G. †Wanhuaia Yuan and Li 1999
+
Wanhuaia granulosa Yuan and Li 1999
Wanhuaia latilimbata Yuan and Li 1999
G. †Weijiaspis Qiu 1983
+
Weijiaspis elongata Qiu 1983
Weijiaspis maozhuangensis Lu et al. 1988
G. †Wuhaina Zhang and Yuan 1981
+
Wuhaina henanensis Zhang et al. 1995
Wuhaina longispina Zhang et al. 1995
Wuhaina lubrica Zhang and Yuan 1981
Invalid names: Chishanheella Zhang et al. 1995 [synonym]
G. †Xingrenaspis Zhang et al. 1980
+
Xingrenaspis brevicus Zhang et al. 1980
Xingrenaspis curvus Zhou 1974
Xingrenaspis hoboi Resser and Endo 1937
Xingrenaspis jialaoensis Zhang et al. 1980
Xingrenaspis parthiva Peng et al. 2009
Xingrenaspis quadratus Zhang et al. 1980
Xingrenaspis rectangularis Zhang et al. 1980
Xingrenaspis shyamalae Peng et al. 2009
Xingrenaspis xingrenensis Zhang et al. 1980
Invalid names: Danzhaina Zhang et al. 1980 [synonym], Wuxunaspis Zhang et al. 1980 [synonym]
G. †Yaojiayuella Zhang et al. 1980
+
Yaojiayuella carinata Zhang and Wang 1985
Yaojiayuella convexolimbata Lu et al. 1988
Yaojiayuella diversa Zhang et al. 1980
Yaojiayuella granosa Walcott 1911
Yaojiayuella jinnanensis Zhang et al. 1980
Yaojiayuella liaoningensis Guo and An 1982
Yaojiayuella ocellata Zhang et al. 1980
Yaojiayuella poshanensis Zhang et al. 1980
Yaojiayuella zhangxiaensis Lu et al. 1988
G. †Yohoaspis Rasetti 1951
G. †Ziboaspidella Lu et al. 1988
+
Ziboaspidella latilimbata Lu et al. 1988
G. †Ziboaspis Chang 1963
+
Ziboaspis hostilis Reed 1910
Ziboaspis ruichengensis Zhang et al. 1980
Invalid names: Syspacephalus redpathi Walcott 1891 [nomen dubium], Syspacephalus unca Walcott 1917 [nomen dubium]
Subor. †Ptychopariina Richter 1933
+
G. †Guizhoucephalina Chien 1961
G. †Huaiaspis Li and Peng 2006
+
Huaiaspis huainanensis Li and Peng 2006
Fm. †Luaspididae Zhang and Yuan 1981
+
G. †Luaspides Duan 1966
+
Luaspides brevica Zhang and Yuan 1981
G. †Paraantagmus Qiu 1980
+
Paraantagmus latus Yuan and Li 1999
Superfm. †Ptychopariacea Matthew 1887
+
G. †Eokochaspis Sundberg and McCollum 2000
+
Eokochaspis cabinensis Sundberg and McCollum 2003
Eokochaspis delamarensis Sundberg and McCollum 2000
Eokochaspis longspina Sundberg and McCollum 2000
Eokochaspis metalaspis Sundberg and McCollum 2000
Eokochaspis nodosa Sundberg and McCollum 2000
Eokochaspis piochensis Palmer and Halley 1979
G. †Hadrocephalites Sundberg and McCollum 2002
+
Hadrocephalites carina Walcott 1917
Hadrocephalites cecinna Walcott 1917
Hadrocephalites convexus Rasetti 1951
Hadrocephalites lyndonensis Sundberg and McCollum 2002
Hadrocephalites rhytidodes Sundberg and McCollum 2002
Invalid names: Schistometopus Resser 1938 [nomen dubium]
G. †Kochina Resser 1935
+
Kochina americana Walcott 1912
Kochina bosworthensis Resser 1935
Kochina macrops Rasetti 1951
G. †Mexicella Lochman 1948
+
Mexicella antelopea Sundberg and McCollum 2000
Mexicella grandoculus Palmer and Halley 1979
Mexicella granulata Eddy and McCollum 1998
Mexicella mexicana Lochman 1948
Mexicella obscurus Palmer and Halley 1979
Mexicella robusta Sundberg and McCollum 2000
Mexicella stator Walcott 1916
Superfm. †Ptychoparioidea Matthew 1887
+
G. †Cambroproteus Geyer 2015
+
Fm. †Inouyiidae Chang 1963
+
G. †Catinouyia Zhang and Yuan 1981
G. †Huainania Qiu 1983
G. †Inouyia Walcott 1911
G. †Jiulongshania Park et al. 2008
G. †Parainouyia Zhang et al. 1980
G. †Parajialaopsis Zhang et al. 1980
G. †Pseudinouyia Zhang et al. 1995
G. †Kochaspis Resser 1935
+
Kochaspis cooperi Lochman 1952
Kochaspis gogensis Walcott 1917
Kochaspis liliana Walcott 1886
+
Invalid names: Kochaspis highlandensis Resser 1935 [synonym]
Kochaspis nevadensis Resser 1935
Kochaspis unzia Walcott 1916
Kochaspis upis Walcott 1916
Invalid names: Paleocrepicephalus Kobayashi 1935 [synonym]
G. †Tonopahella Sundberg and McCollum 2003
+
Tonopahella goldfieldensis Sundberg and McCollum 2003
Tonopahella walcotti Sundberg and McCollum 2000
G. †Yuknessaspis Rasetti 1951
+
Invalid names: Conocoryphacea Swinnerton 1915 [empty], Leiostegiacea Bradley 1925 [empty]
G. †Ptychoparoides Rka 1940
Fm. †Raymondinidae Clark 1924
+
G. †Celmus Angelin 1854
+
Invalid names: Crotalurus Volborth 1858 [synonym], Ischyrophyma Whittington 1963 [synonym]
G. †Glaphurella Dean 1971
G. †Glaphurus Raymond 1905
+
Glaphurus divisus Whittington 1963
Glaphurus pustulatus Walcott 1877
+
Invalid names: Sao lamottensis Whitfield 1886 [synonym]
G. †Raymondina Clark 1924
+
Raymondina respecta Clark 1924
G. †Varanella Lochman and Hu 1962
Invalid names: Celmidae Jaanusson 1956 [invalid subgroup], Glaphuridae Hupé 1955 [invalid subgroup]
Fm. †Shumardiidae Lake 1907
+
G. †Acanthopleurella Groom 1902
+
G. †Changchowilla Waisfeld et al. 2001
G. †Conophrys Callaway 1877
+
Conophrys minutula Harrington 1938
Conophrys pusilla Sars 1835
G. †Koldinioidia Kobayashi 1931
+
Subg. †Koldinioidia (Liriamnica) Shergold 1980
+
Koldinioidia orientalis Mansuy 1916
Koldinioidia typicalis Kobayashi 1931
Invalid names: Akoldinioidia Zhou and Zhang 1984 [synonym], Eoshumardia Hupe 1953 [synonym]
G. †Kweichowilla Zhang 1964
G. †Leioshumardia Whittington 1965
+
Leioshumardia minima Whittington 1965
G. †Leoforteyia Waisfeld et al. 2001
G. †Liriamnica Shergold 1980
G. †Shumardia Billings 1862
+
Subg. †Shumardia (Conophrys) Callaway 1877
+
Subg. †Shumardia (Shumardia) Fortey and Owens 1987
+
Shumardia (Shumardia) angulata Laurie and Shergold 1996
Shumardia acuticaudata Fortey 1980
Shumardia alata Robison and Pantoja-Alor 1968
Shumardia ctenata Robison and Pantoja-Alor 1968
Shumardia erquensis Kobayashi 1937
Shumardia exopthalmus Ross and Barnes 1967
Shumardia extensa Weir 1959
Shumardia granulosa Billings 1862
Shumardia lacrimosa Dean 1973
Shumardia minaretta Fortey 1980
Shumardia phalloides Fortey 1980
Shumardia sagittula Whittington 1965
Shumardia tarimuensis Zhang 1981
G. †Shumardoella Pek and Vanek 1989
+
Shumardoella bohemica Marek 1964
Invalid names: Shumardella Pribyl and Vanek 1980 [replaced]
G. †Shumardops Hupe 1955
G. †Tarimella Zhang 1979
+
+
Invalid names: Yinganaspis subcylindrica Zhang 1981 [synonym], Yinganaspis yinganensis Zhang 1981 [synonym]
Invalid names: Yinganaspis Zhang 1981 [synonym]
Fm. †Solenopleuridae Angelin 1854
+
G. †Abakanopleura Sivov 1955
G. †Acanthometopus Lu and Qian 1983
G. †Acrocephalaspis Ivshin 1953
+
Acrocephalaspis orientalis Lazarenko 1966
G. †Acrocephalina Troedsson 1937
+
Acrocephalina acuta Troedsson 1937
Subfm. †Agraulinae Raymond 1913
+
G. †Skehanos McMenamin 2002
+
Skehanos quadrangularis Whitfield 1884
G. †Aiaiaspis Nazarov 1973
G. †Aidarella Lermontova 1951
G. †Albansia Howell 1937
G. †Aldanaspis Lermontova 1940
+
Aldanaspis enodata Rozova 1964
G. †Badulesia Sdzuy 1968
G. †Bigranulella Shaw and Clark 1968
G. †Catasolenopleura Qiu 1983
G. †Changqingia Lu and Zhu 1983
+
Changqingia chalcon Walcott 1911
Changqingia intermedia Walcott 1906
Changqingia laevis Peng et al. 1995
Changqingia luia Luo 2001
Invalid names: Austrosinia Zhang and Jell 1987 [synonym]
G. †Conicephalus Yang et al. 1993
+
Conicephalus caigouensis Yang et al. 1993
G. †Crusoia Walcott 1924
G. †Denaspis Repina 1973
G. †Eilura Resser and Endo 1935
+
Eilura quadrata Resser and Endo 1937
G. †Ejinaspis Lu and Zhou 1986
G. †Herse Hawle and Corda 1847
+
Invalid names: Solenopleurina Ruzicka 1938 [objective synonym]
G. †Huzhuia Zhu 1965
+
Huzhuia paratypica Yang 1978
G. †Hyperoparia Zhang 1983
G. †Inouyella Resser and Endo 1935
+
Inouyella yiyangensis Meng 1977
G. †Kabuqiia Zhang 1987
G. †Karagandoides Ivshin 1962
G. †Keeleaspis Fritz 1972
+
Keeleaspis pustula Fritz 1972
Keeleaspis stupenda Fritz 1972
Keeleaspis terhaari Hollingsworth 2005
G. †Lashushania Zhang 1999
+
Lashushania lashuensis Zhang 1999
G. †Levisia Walcott 1911
G. †Lianglangshania Zhang and Wang 1985
+
Lianglangshania hueirenensis Zhang and Wang 1985
G. †Liosolenopleura Thoral 1947
G. †Lophodesella Zhang et al. 1980
+
Lophodesella henanensis Zhang et al. 1995
Lophodesella quadrata Zhang et al. 1980
Lophodesella rectangula Zhang et al. 1980
G. †Maiaspis Chernysheva 1956
+
Maiaspis blandita Rozova 1964
Maiaspis mirabilis Chernysheva 1956
Maiaspis quadrata Chernysheva 1956
G. †Manublesia Alvaro 1996
G. †Menocephalites Kobayashi 1935
G. †Minupeltis Palmer 1960
+
Minupeltis conservator Palmer 1960
Minupeltis definita Palmer 1965
G. †Munija Khramova 1980
G. †Munijia
G. †Neosolenopleurella Ju 1983
G. †Nilegna Opik 1967
G. †Ninaspis Ivshin 1953
G. †Oreisator Geyer and Malinky 1997
+
Oreisator tichkaensis Geyer and Malinky 1997
+
Invalid names: Strenuella spinosa Neltner 1938 [synonym]
G. †Paracrocephalites Poulsen 1954
G. †Parasolenopleura Westergard 1953
+
Parasolenopleura aculeata Angelin 1951
Parasolenopleura peregrina Wallerius 1930
Parasolenopleura wurmi Geyer 2017
G. †Pardailhania Thoral 1947
+
Pardailhania hispida Thoral 1935
G. †Perneraspis Prantl 1947
G. †Pingluia Zhang and Wang 1985
+
Pingluia pingluensis Zhang and Wang 1985
G. †Proavus Poletaeva 1972
G. †Pseudosolenoparia Zhou 1974
+
Pseudosolenoparia angusta Zhang et al. 1980
Pseudosolenoparia normalis Zhang et al. 1980
G. †Rimouskia Resser 1938
G. †Rina Poletaeva 1964
+
Rina abdita Rozova 1964
Rina celebrata Rozova 1964
Rina postrema Rozova 1964
G. †Sao Barrande 1846
+
Invalid names: Acanthocnemis Hawle and Corda 1847 [synonym], Acanthogramma Hawle and Corda 1847 [synonym], Crithias Hawle and Corda 1847 [synonym]
G. †Shanghaiaspis Xu and Ju 1987
+
Shanghaiaspis decipiens Xu and Ju 1987
Shanghaiaspis latilimbatus Xu and Ju 1987
Shanghaiaspis usualis Xu and Ju 1987
G. †Solenoparia Kobayashi 1935
+
Solenoparia agno Walcott 1905
Solenoparia bisulcata Kobayashi 1961
Solenoparia conica Yang et al. 1993
Solenoparia jiangsuensis Lin et al. 1983
Solenoparia miaohouensis Zhang et al. 1980
Solenoparia minuta Lu and Chang 1974
G. †Solenoparops Chang 1963
+
Solenoparops lata Zhang et al. 1995
Solenoparops similis Zhang et al. 1980
G. †Solenopleurella Poulson 1927
Subfm. †Solenopleurinae Angelin 1854
+
G. †Jincella Snajdr 1957
G. †Solenopleura Angelin 1854
+
Solenopleura borealis Poulsen 1927
Solenopleura bucculenta Grönwall 1902
Solenopleura bullata Poulsen 1927
Solenopleura gronwalli Poulsen 1927
Solenopleura holometopa Angelin 1851
Solenopleura pruina Palmer and Gatehouse 1972
Solenopleura similis Poulsen 1927
G. †Solenopleuropsis Thoral 1947
G. †Squarrosoella Zhang et al. 1980
+
Squarrosoella tuberculata Zhang et al. 1980
G. †Trachoparia Zhang 1963
+
Trachoparia bigranosa Endo 1937
G. †Usumunaspis Lazerenko 1962
G. †Wafangdiania Zhang 1999
+
G. †Yabeia Reswer and Endo 1935
G. †Svalbardites Fortey 1974
Fm. †Tricrepicephalidae Palmer 1954
+
G. †Erediaspis Opik 1967
G. †Meteoraspis Resser 1935
+
Meteoraspis borealis Lochman 1938
Meteoraspis metra Walcott 1890
Meteoraspis mutica Rasetti 1961
Meteoraspis orientalis Yuan and Yin 1998
Invalid names: Coleopachys Raymond 1937 [synonym]
G. †Tricrepicephalus Kobayashi 1935
+
Tricrepicephalus asiaticus Yuan and Yin 1998
Invalid names: Paracrepicephalus Lochman 1936 [objective synonym]
G. †Xiangqianaspis Zhang et al. 1980
G. †Yuehsienszella Zhang 1963
Invalid names: Cliffiidae Hohensee and Stitt 1989 [empty], Harpina Whittington 1959 [empty], Solenopleuracea Angelin 1854 [empty]
Or. †Trinucleida Swinnerton 1915
+
Fm. †Alsataspididae Turner 1940
+
G. †Araiopleura Harrington and Leanza 1957
+
Araiopleura reticulata Harrington and Leanza 1957
Araiopleura stephani Rushton 1982
G. †Clavatellus Poletaeva 1955
G. †Falanaspis Tjernvik 1956
+
Falanaspis aliena Tjernvik 1956
Falanaspis extensa Fortey 1975
G. †Gaoloupingia Yuan and Yin 1998
+
Gaoloupingia gaoloupingensis Yuan and Yin 1998
Gaoloupingia triangularis Yuan and Yin 1998
G. †Jegorovaia Lu 1964
+
Jegorovaia convexa Lu and Chien 1974
Jegorovaia expansa Lu 1964
Invalid names: Hermosella Lu and Chien 1978 [synonym]
G. †Joshuaspis Choi et al. 2008
+
Joshuaspis parvus Choi et al. 2008
G. †Macharia Choi et al. 2008
+
Macharia pengi Choi et al. 2008
G. †Orometopus Broegger 1898
+
Orometopus notatifrons Harrington and Leanza 1957
G. †Pagometopus Henningsmoen 1959
G. †Palquiella Suárez-Soruco 1975
G. †Rhadinopleura Harrington and Leanza 1957
+
Rhadinopleura eurycephala Harrington and Leanza 1957
G. †Seleneceme Clark 1924
+
Invalid names: Alsataspis Turner 1940 [synonym]
G. †Skljarella Petrunina 1973
+
Skljarella cracens Fortey and Owens 1991
Skljarella expansa Bao and Jago 2000
Skljarella hunanensis Peng 1984
Skljarella sulcifera Peng 1992
G. †Spirantyx Whittard 1961
G. †Torifera Wolfart 1974
+
Torifera abrupta Peng et al. 2004
Torifera jelli Peng et al. 2009
Torifera paraconvexa Yang 1978
Torifera taoyuanensis Peng 1987
Torifera tuma Yang 1977
Invalid names: Xiangia Peng 1987 [synonym]
G. †Yumenaspis Chang 1960
G. †Zacompsus Raymond 1924
+
Zacompsus levisensis Rasetti 1944
Invalid names: Hapalopleuridae Harrington and Leanza 1957 [invalid subgroup], Jegorovaiidae [invalid subgroup], Orometopidae Hupe 1955 [invalid subgroup]
Fm. †Dionididae Gürich 1907
+
G. †Aethedionide Zhou and Ju 1983
G. †Digrypos Kobayashi 1940
G. †Dionide Barrande 1847
+
Dionide formosa Barrande 1846
Dionide holdeni Raymond 1925
+
Invalid names: Dionide contrita Raymond 1920 [synonym]
Dionide jubata Raymond 1925
Dionide magnifica Owen and Bruton 1980
Dionide mareki Henry and Romano 1978
Dionide prima Kloucek 1917
Dionide semicircula Owen 1981
Invalid names: Dionidepyga Snajdr 1981 [synonym]
G. †Dionidella Prantl and Pribyl 1950
+
Subg. †Dionidella (Huangnigangia) Han and Ju 1983
Dionidella incisa Prantl and Přibyl 1949
+
Invalid names: Dionidella (Huangnigangia) subquadrata Han and Ju 1983 [synonym]
Dionidella venusta Zhou et al. 2014
G. †Tongxinaspis Zhou 1981
G. †Trinucleoides Raymond 1917
Fm. †Liostracinidae Raymond 1937
+
G. †Aplexura Rozova 1963
+
Aplexura pulchella Rozova 1963
G. †Doremataspis Opik 1967
G. †Liostracina Monke 1903
+
Liostracina bella Lin et al. 1983
Liostracina bilimbata Zhang 1983
Liostracina krausei Monke 1903
Liostracina tangwangzhaiensis Park et al. 2014
G. †Lynaspis Opik 1967
Fm. †Raphiophoridae Angelin 1854
+
G. †Ampyxina Ullrich 1922
+
Ampyxina bellatula Savage 1917
Ampyxina lanceola Whittington 1959
Ampyxina powelli Raymond 1920
+
Invalid names: Ampyxina scarabeus Butts 1941 [synonym]
G. †Ellsaspis Rasetti 1945
Subfm. †Endymioniinae Raymond 1920
+
G. †Anisonotella Whittington 1965
+
Anisonotella glacialis Billings 1865
Invalid names: Anisonotus Raymond 1920 [replaced]
G. †Carinocranium Dean 1989
+
G. †Endymionia Billings 1865
+
Endymionia clavaria Fortey 1975
Endymionia meeki Billings 1862
Endymionia raymondi Whittington 1965
Endymionia schucherti Raymond 1920
Endymionia semielliptica Chang and Fan 1960
+
Invalid names: Endymionia circularis Zhang 1981 [synonym], Endymionia nodosa Zhang 1981 [synonym], Endymionia ordosensis Lu in Lu et al 1976 [synonym]
Invalid names: Endymion Billings 1862 [replaced]
G. †Lehnertia Vaccari et al. 2006
+
Lehnertia nawisapa Vaccari et al. 2006
G. †Pytine Fortey 1975
+
Pytine brevicauda Wiman 1905
Pytine graia Fortey 1975
G. †Salteria Thomson 1864
+
Salteria primaeva Wyville Thomson 1864
+
Invalid names: Salteria americana Cooper 1953 [synonym]
Invalid names: Erinnys Salter 1865 [replaced]
G. †Kanlingia Zhang 1981
+
Kanlingia kalpinensis Zhang 1981
G. †Lonchodomas Angelin 1854
+
Subg. †Lonchodomas (Foliopyge) Perfiliev and Levitsky 1963
Lonchodomas carinatus Cooper 1953
Lonchodomas clavulus Whittington 1965
Lonchodomas depressus Brogger 1887
Lonchodomas halli Billings 1861
Lonchodomas normalis Billings 1865
Lonchodomas pennatus Latouche 1884
Lonchodomas politus Raymond 1925
Lonchodomas portlocki Barrande 1846
Lonchodomas punctatus Cooper 1953
Lonchodomas retrolatus Ross and Barnes 1967
Lonchodomas rostratus Sars 1835
Lonchodomas sublaevis Raymond 1925
Lonchodomas suriensis Harrington and Leanza 1957
Lonchodomas tenuis Nielsen 1995
Lonchodomas tumidus Forbes 1849
Lonchodomas volborthi Schmidt 1894
Lonchodomas yohi Sun 1931
G. †Malinaspis Andreeva 1985
G. †Malongullia Webby and Moors 1970
+
Invalid names: Ampyxinops Zhang 1979 [synonym]
G. †Nambeetella Legg 1976
+
Nambeetella embolion Fortey and Shergold 1984
G. †Nanshanaspis Zhang and Fan 1960
+
Nanshanaspis levis Chang and Fan 1960
Nanshanaspis rotundata Zhang 1988
Invalid names: Caganaspis Kolobova 1968 [synonym], Kongqiaoheia Zhang 1988 [synonym]
G. †Pseudampyxina Ju 1983
G. †Raphioampyx Baldis and Baldis 1995
Subfm. †Raphiophorinae Angelin 1854
+
G. †Ampyx Dalman 1827
+
Subg. †Ampyx (Parampyx) Zhang 1981
Ampyx abnormalis Yi 1957
Ampyx americanus Safford and Vogdes 1889
Ampyx binodulosus Reed 1896
Ampyx camurus Raymond 1925
Ampyx compactus Ross and Barnes 1967
Ampyx delicatulus Fortey 1975
Ampyx foveolatus Angelin 1854
Ampyx laeviusculus Billings 1865
Ampyx lobatus Cooper 1953
Ampyx nasutus Dalman 1827
Ampyx porcus Fortey 1975
Ampyx priscus Thoral 1935
Ampyx punctolineatus Zhou and Fortey 1986
Ampyx spongiosus Fortey 1975
Ampyx toxotis Fortey 1975
Ampyx virginiensis Cooper 1953
Ampyx walcotti Kobayashi 1955
Invalid names: Brachyampyx Forbes 1849 [objective synonym]
G. †Ampyxella Dean 1960
+
Ampyxella aculeata Angelin 1854
G. †Ampyxinella Korleva 1959
+
Ampyxinella rotundata Zhang 1979
+
Invalid names: Ampyxinella circulare Zhang 1981 [synonym], Ampyxinella ovata Zhang 1979 [synonym]
G. †Ampyxoides Whittington 1965
+
Ampyxoides inermis Fortey 1975
Ampyxoides semicostatus Billings 1865
G. †Bulbaspis Chugaeva 1956
G. †Cnemidopyge Whittard 1955
+
Cnemidopyge bisecta Elles 1940
Cnemidopyge costata Boeck 1838
Cnemidopyge nuda Murchison 1839
+
Invalid names: Ampyx latus M'Coy 1851 [synonym]
Cnemidopyge parva Hughes 1969
Cnemidopyge tenuis Kennedy 1988
G. †Damghanampyx Ghobadi Pour et al. 2007
+
Damghanampyx ginteri Ghobadi Pour et al. 2007
G. †Edmundsonia Cooper 1953
+
Edmundsonia typa Cooper 1953
G. †Globampyx Fortey 1975
+
Globampyx popovkiensis Balashova 1966
Globampyx sexsegmentatus Fortey et al. 2024
Globampyx sinalae Norford and Ross 1978
Globampyx trinucleoides Fortey 1975
G. †Mendolaspis Rusconi 1951
+
Mendolaspis doidyx Fortey 1975
Mendolaspis paradoidyx Zhang 1981
Mendolaspis salagastensis Rusconi 1951
G. †Miaopopsis Lu 1965
G. †Raphiophorus Angelin 1854
+
Raphiophorus lamasi Harrington and Leanza 1957
G. †Rhombampyx Fortey 1975
+
Rhombampyx chinensis Weller 1913
Rhombampyx glaber Poulsen 1965
Rhombampyx rhombos Fortey 1975
Rhombampyx tragula Fortey 1975
Rhombampyx yii Lu 1965
G. †Raymondella Reed 1935
+
Raymondella elegans Cooper 1953
Raymondella macconochiei Nicholson and Etheridge 1879
Raymondella nevadensis Ross and Shaw 1972
Invalid names: Reedaspis Prantl and Pribyl 1949 [objective synonym]
G. †Sinampyxina Sheng 1974
G. †Taklamakania Zhang 1980
+
+
Invalid names: Ampyx (Parampyx) nanjiangensis Zhang 1981 [synonym]
Invalid names: Xinjiangia Zhang 1981 [synonym]
Fm. †Trinucleidae Hawle and Corda 1847
+
G. †Anebolithus Huges and Wright 1970
G. †Auritolithus Holloway et al. 2022
G. †Bergamia Whittard 1955
+
Invalid names: Bohemaspis Horbringer 1986 [synonym], Brandysops Horbringer 1986 [synonym], Cochliorrhoe Whittard 1966 [synonym]
G. †Bettonolithus Morris 1988
+
Invalid names: Bettonia Whittard 1956 [replaced]
G. †Botrioides Stetson 1927
G. †Costonia Whittard 1956
Subfm. †Cryptolithinae Angelin 1854
+
G. †Broeggerolithus Lamont 1935
+
Broeggerolithus broeggeri Bancroft 1929
Broeggerolithus discors Angelin 1854
Invalid names: Ulricholithus Bancroft 1949 [synonym]
G. †Cryptolithoides Whittington 1941
+
Cryptolithoides reticulatus Ross and Shaw 1972
Cryptolithoides ulrichi Whittington 1941
G. †Cryptolithus Green 1832
+
Cryptolithus recurvus Ulrich 1919
+
Invalid names: Cryptolithus lorettensis Foerste 1924 [synonym], Trinucleus bellulus Ulrich 1879 [synonym]
G. †Deanaspis Hughes et al. 1975
+
Deanaspis goldfussii Barrande 1846
Deanaspis goldfussii senftenbergii Hawle and Corda 1847
Deanaspis seftenbergii Hawle and Corda 1847
G. †Decordinaspis Harper and Romano 1967
G. †Eirelithus Lamont 1941
G. †Famatinolithus Harrington and Leanza 1957
+
Famatinolithus noticus Harrington and Leanza 1957
G. †Furcalithus Fortey and Owens 1987
G. †Guandacolithus Harrington and Leanza 1957
+
Guandacolithus furquei Harrington and Leanza 1957
G. †Gymnostomix Fortey and Owens 1987
G. †Hanchungolithus Lu 1956
+
Invalid names: Ichangolithus Lu 1963 [synonym]
G. †Incaia Whittard 1955
G. †Jianxilithus Zhang and Zhou 1876
G. †Lloydolithus Bancroft 1933
G. †Lordshillia Whittard 1966
G. †Marekolithus Shaw 1995
+
G. †Marrolithoides Williams 1948
G. †Marrolithus Bancroft 1929
+
G. †Myinda Stubblefield and Bulman 1927
G. †Myindella Hutchison and Ingham 1962
G. †Myttonia Whittard 1955
G. †Nankinolithus Lu 1957
+
Nankinolithus granulatus Wahlenberg 1818
G. †Ningkianolithus Lu 1954
+
Invalid names: Ceratolithus Lu 1959 [synonym]
G. †Novaspis Whittington 1941
G. †Onnia Bancroft 1933
+
Onnia goldfussi Barrande 1846
G. †Paratretaspis Dean 1973
G. †Paratrinucleus Whittington 1941
G. †Parkesolithus Campbell and Durham 1970
G. †Protolloydolithus Williams 1948
+
G. †Reedolithus Bancroft 1929
G. †Reuscholithus Bancroft 1929
G. †Salterolithus Bancroft 1929
+
Invalid names: Smeathenia Dean 1960 [synonym]
G. †Stapeleyella Whittard 1955
+
Stapeleyella inconstans Whittard 1955
G. †Telaeomarrolithus Williams 1948
+
Invalid names: Fimbriomarrolithus Williams 1948 [objective synonym]
Subfm. †Trinucleinae Hawle and Corda 1847
+
G. †Iputaspis McCobb and Popov 2017
+
Iputaspis stepnyakensis McCobb and Popov 2017
G. †Kimakaspis Ghobadi Pour et al. 2011
+
Kimakaspis kovalevskyi Ghobadi Pour et al. 2011
G. †Tretaspis M'Coy 1849
+
Tretaspis anderssoni Stormer 1945
Tretaspis askerensis Owen 1980
Tretaspis ceriodes Angelin 1854
Tretaspis hadelandica Stormer 1945
Tretaspis hisingeri Owen 1980
Tretaspis kiaeri Stormer 1930
Tretaspis latilimba Linnarsson 1869
Tretaspis reticulata Ruedemann 1901
Tretaspis sagenosus Whittington 1959
Tretaspis seticornis Hisinger 1840
Tretaspis sortita Reed 1935
G. †Trinucleus Murchison 1839
+
Trinucleus acervulosus Raymond 1920
+
Invalid names: Trinucleus acervulosus Raymond 1925 [synonym]
Trinucleus conollyi Fortey 2006
Trinucleus seticornis Hisinger 1840
Invalid names: Edgellia Shaw 1950 [objective synonym]
G. †Whittardolithus Hughes and Addison 1975
G. †Xiushuilithus Zhou 1976
G. †Yinpanolithus Lu and Chang 1974
Invalid names: Hanchungolithinae Lu 1963 [empty], Marrolithinae Hughes 1971 [empty], Microdiscus [nomen vanum], Tretaspidinae Whittington 1941 [empty]
Diagnosis
ReferenceDiagnosis
R. A. Fortey 1990Trilobites having natant hypostomal condition, or with secondarily conterminant or impendent hypostomal condition
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingc
Life habit: low-level epifaunalc
Diet: carnivorec
Created: 2004-02-29 09:07:31
Modified: 2016-06-02 12:44:28
Source: c = class
Reference: Aberhan et al. 2004

Age range: base of the Branchian to the top of the Pridoli or 517.10000 to 419.20000 Ma

Collections (7200 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Caerfai538.8 - 509.0USA (New York) Rimouskia sp. (181)
Early/Lower Cambrian538.8 - 509.0USA (Nevada) Ptychoparioidea indet. (204007)
Early/Lower Cambrian538.8 - 509.0Canada (Northwest Territories) Keeleaspis pustula (156159) Keeleaspis stupenda (156143) Keeleaspis stupenda, Keeleaspis pustula (156147 156150 156156 156157 156158) Piaziella pia (156200) Piaziella rara, Syspacephalus vapidus (156202) Poulsenia sp. (156175 156176) Proliostracus annosus, Proliostracus latus (156173) Proliostracus contractus (156171) Proliostracus depressus (156169) Variopelta laevis (156174)
Waucoban538.8 - 509.0Canada (British Columbia) Proliostracus sp. (10864)
Waucoban538.8 - 509.0Greenland Kochiella tuberculata, Kochiella gracilis, Inglefieldia porosa (225266)
Cambrian538.8 - 485.4USA (South Dakota) Coosina sp., Crepicephalus sp., Coosia sp., Uncaspis sp., Pemphigaspis sp., Coosella sp., Dresbachia sp., Meteoraspis sp., Tricrepicephalus sp., Blountia sp., Kingstonia sp. (231)
Cambrian538.8 - 485.4Canada (British Columbia) Piaziella sp., Syspacephalus sp. (186)
Cambrian538.8 - 485.4Argentina (San Juan ) Blainia gregaria (200101) Elrathiella sp., Ehmaniella sp. (200108)
Cambrian538.8 - 485.4USA (Georgia) Asaphiscus sp., Eteraspis glabra, Blania gregaria, Coosia superba, Armonia elongata, Coosella curticei, Solenopleurella buttsi, Tricrepicephalus cedarensis, Elrathiella buttsi, Elrathia sp. (164675)
Cambrian538.8 - 485.4USA (New York) Dikelocephalus sp., Prosaukia sp., Keithiella sp., Plethopeltis sp. (254)

Youngest occurrences

Time interval Ma Country or state PBDB collection number
Wenlock - Ludlow433.4 - 423.0Canada (Northwest Territories) Solenopleura sp. (188855)
Homerian430.5 - 427.4Czech Republic Raphiophorus roualti (14028 14050 14103) Raphiophorus sp. (14102)
Homerian430.5 - 427.4Canada (Northwest Territories) Ptychopariida indet. (497)
Gorstian427.4 - 425.6Australia (Australian Capital Territory) Proetacea indet. (25682)
Gorstian427.4 - 425.6Algeria Raphiophorus rouaulti (27153)
Gorstian - Ludfordian427.4 - 423.0Czech Republic Raphiophorus roualti (14127)
Ludlow427.4 - 423.0Morocco Raphiophorus roualti (27029) Raphiophorus rouaulti (27053)
Ludlow427.4 - 423.0United Kingdom (England) Raphiophorus sp. (482)
Ludfordian425.6 - 423.0Austria Raphiophorus roualti (13908)
Pridoli423.0 - 419.2Italy (Sardinia) Ampyx ouralti (26173) Raphiophorus sp. (26187)