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Libristoma
Taxonomy
Libristoma was named by Fortey (1990).
It was assigned to Trilobita by Fortey (1990), Hughes (1994) and Ebach and McNamara (2002).
It was assigned to Trilobita by Fortey (1990), Hughes (1994) and Ebach and McNamara (2002).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1990 | Libristoma Fortey |
| 1994 | Libristoma Hughes |
| 2002 | Libristoma Ebach and McNamara |
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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. †Hanshania Zhang and Wang 1985
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 parallela Yang 1977
†Paranomocarella parapolita Yang 1978
†Paranomocarella pujiabaensis Yang et al. 1993
†Paranomocarella transversa Yang et al. 1993
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. †Guizhouanomocare Li 1978
G. †Hanivella Sivov 1955
G. †Harataspis Egorova and Savitsky 1969
G. †Hunanaspis Zhou 1977
G. †Iohomia Hu 1971
G. †Irinia Egorova and Savitsky 1968
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. †Schoriella Sivov 1955
G. †Sivovella Poletaeva 1967
G. †Usovinurus Ivshin 1960
G. †Yongwolia Kobayashi 1962
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 isabelae Meroi Arcerito et al. 2015
†Asaphellus jujuanus Harrington 1937
†Asaphellus nazarenensis Tortello and Esteban 2014
†Asaphellus pricensis Legg 1976
†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. †Ogygitella Harrington and Leanza 1957
G. †Pseudobasilicus Reed 1930
G. †Pseudomegalaspis Jaanusson 1953
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 acuminiferentis Ross 1951
†Bellefontia chamberlaini Clark 1935
†Bellefontia ibexensis Hintze 1953
G. †Birmanites Sheng 1934
+
†Birmanites akchiensis Ghobadi Pour et al. 2011
†Birmanites brevicus Xiang and Zhou 1987
†Birmanites hupeiensis Yi 1957
†Birmanites kanlingensis Zhang 1981
†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. †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. †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. †Homalopyge Jaanusson 1956
G. †Hunnebergia Tjernvik 1956
Subfm. †Isotelinae Angelin 1854
+
G. †Golasaphus Shergold 1971
G. †Hoekaspis Kobayashi 1937
G. †Isoteloides Raymond 1910
G. †Kierarges Corbacho 2014
G. †Notopeltis Harrington and Leanza 1957
G. †Isyrakopeltis Rosov and Dubatolova 1985
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 latucelsum Ross 1951
†Lachnostoma platypyga Fortey and Bruton 2013
G. †Lisogorites Chugaeva 1958
+
†Lisogorites mistus Zhou et al. 1995
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. †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
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. †Ogmasaphus Jaanusson 1953
+
†Ogmasaphus costatus Jaanusson 1953
†Ogmasaphus hannanicus Lu 1975
†Ogmasaphus jaanussoni Henningsmoen 1960
†Ogmasaphus kiaeri Henningsmoen 1960
†Ogmasaphus multistriatus Henningsmoen 1960
†Ogmasaphus praetextus Törnquist 1884
†Ogmasaphus stoermeri Henningsmoen 1960
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. †Penchiopsis Lu 1976
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
+
Subg. †Priceaspis (Priceaspis) Legg 1976
Invalid names: Fitzroyaspis Legg 1976 [synonym]
G. †Proscharyia Peng 1990
G. †Protopresbynileus Hintze 1954
+
†Presbynileus (Protopresbynileus) glaber Fortey 1975
†Protopresbynileus divergens Fortey et al. 2024
†Protopresbynileus willdeni Hintze 1953
Invalid names: Pseudonileus Hintze 1953 [replaced]
G. †Protoptychopyge Balashova 1959
G. †Pseudoasaphus Schmidt 1901
+
†Pseudoasaphus globifrons Eischwald 1857
†Pseudoasaphus limatus Jaanusson 1953
G. †Pseudogygites Kobayashi 1934
+
†Pseudogygites latimarginatus Hall 1847
+
Invalid names: Pseudogygites canadensis Chapman 1856 [synonym]
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
†Stegnopsis wellingensis Amati 2014
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
†Thysanopyge taurinus Harrington 1937
Invalid names: Basilicoides Harrington 1937 [synonym]
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 franklinense Ross 1951
†Xenostegium shepardi Raymond 1922
G. †Zhenganites Yin 1978
+
†Zhenganites xinjiangensis Zhang 1981
Invalid names: Eosoptychoparia Zhang 1963 [synonym], Eosoptychopyge Zhang 1981 [synonym]
Invalid names: Ogygiinae Raymond 1913 [empty]
Fm. †Ceratopygidae Raymond 1913
+
G. †Ajacicrepida Wengtang and Jell 1987
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 glabrescens Peng 1992
†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. †Hysterolenus Moberg 1898
G. †Kaltykelina Petrunina 1973
G. †Kaufmannella Sdzuy 1979
G. †Kogenium Kobayashi 1935
G. †Macropygella Rosov and Dubatolova 1985
G. †Mansuyella Endo 1937
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 fenghwangensis Hsiang 1963
†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 protracta Peng 1992
†Proceratopyge rectispinata Troedsson 1937
+
Invalid names: Lopnorites fragilis Troedsson 1937 [synonym], Proceratopyge cylindrica Chien 1961 [synonym]
†Proceratopyge tenuita Lazarenko 1966
†Proceratopyge truncatus Yang 1977
†Proceratopyge waergangensis Peng 1992
†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 carinalis Peng 1992
†Pseudoyuepingia elongata Lu and Lin 1989
†Pseudoyuepingia intermedia Lu and Lin 1989
†Pseudoyuepingia jiantangensis Duan et al. 1999
†Pseudoyuepingia laochatianensis Yang 1977
†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 broeggeri Moberg and Segerberg 1906
†Tropidopyge hunanensis Peng 1992
†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
†Aktugaiella hunanensis Peng 1992
G. †Apatokephalina Sivov 1955
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 longifrons Dean 1989
†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. †Brachypleura Angelin 1854
+
†Brachypleura cordata Nikolaisen 1983
†Brachypleura sexlineata Angelin 1851
Invalid names: Sculptaspis Nikolaisen 1983 [synonym]
G. †Deanokephalus Pillet 1992
G. †Dislobosaspis Yin et al. 1999
+
†Dislobosaspis guizhouensis Yin 1978
†Dislobosaspis zunyiensis Yin 1978
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. †Hastiremopleurides Yin 1980
+
†Hastiremopleurides bijieensis Yin 1980
†Hastiremopleurides shihtzupuensis 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 meridionalis Kobayashi 1935
†Kainella teiichii Vaccari and Waisfeld 2010
G. †Lingukainella Kobayashi 1953
G. †Lohanpopsis Lu 1965
G. †Loshanella Lu 1975
G. †Menoparia Ross 1951
+
†Menoparia elegans Dean 1989
†Menoparia genalunata Ross 1951
†Menoparia lunalata Ross 1953
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], Fatocephalus Duan and An 1982 [synonym]
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 kainelliformis Shergold 1971
†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 lundehukensis Fortey 1980
†Robergiella neteorum Tripp 1980
†Robergiella sagittalis Whittington 1959
†Robergiella tjernviki Hoel 1999
G. †Scinocephalus Ross 1951
+
†Scinocephalus quadrihastatus Ross 1953
†Scinocephalus solitecti 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 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
†Microparia grandis Salter and in Murchison 1859
Subfm. †Pricyclopyginae Fortey and Owens 1987
+
G. †Pricyclopyge Richter and Richter 1954
+
Invalid names: Bicyclopyge Horbinger and Vanek 1985 [synonym]
G. †Psilacella Whittard 1952
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. †Berkutaspis Lisogor 1947
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. †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 armadillo Dalman 1826
†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
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
†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 globocapitella Hintze 1953
†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 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
Fm. †Symphysurinidae Kobayashi 1955
+
G. †Randaynia Boyce 1989
+
†Randaynia langdoni Boyce 1989
†Randaynia leatherburyi Loch 2007
†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
†Taihungshania tachengssuensis Sheng 1958
Invalid names: Miquelina Thoral 1935 [synonym]
G. †Tungtzuella Lu 1957
Superfm. †Dikelocephaloidea Miller 1889
+
Fm. †Dikelocephalidae Miller 1889
+
G. †Briscoia Walcott 1924
+
†Briscoia angustilimba Westrop 1986
†Briscoia coloradoensis Walcott 1914
†Briscoia dalyi Walcott 1914
†Briscoia devinei Billings 1865
†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 angustifrons Walcott 1884
†Dicellocephalus bilobatus Hall and Whitfield 1877
†Dicellocephalus iole Walcott 1884
†Dicellocephalus marica Walcott 1884
†Dicellocephalus osceola Hall 1863
†Dicellocephalus richmondensis Walcott 1884
†Dicellocephalus tribulus Walcott 1912
†Dikelocephalus freeburgensis Feniak 1952
†Dikelocephalus halli Ulrich and Resser 1930
†Dikelocephalus minnesotensis Owen 1852
+
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. †Neoiranella Özdikmen 2006
+
†Neoiranella latefrons King 1937
Invalid names: Iranella Hupe 1953 [replaced]
G. †Osceolia Walcott 1914
G. †Princetonella Lochman 1953
G. †Randicephalus Ivshin 1962
G. †Stigmacephalus Resser 1937
+
†Stigmacephalus flexifrons Feniak 1952
†Stigmacephalus hudsonensis Nelson 1951
†Stigmacephalus oweni Hall 1863
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
+
†Euptychaspis dougali Adrain and Westrop 2004
†Euptychaspis lawsonensis Adrain and Westrop 2005
G. †Imlerella Loch and Taylor 2004
G. †Kathleenella Ludvigsen 1982
G. †Keithiella Rasetti 1944
+
†Keithiella brevis Rasetti 1944
†Keithiella cylindrica Billings 1860
†Keithiella depressa Rasetti 1944
G. †Macronoda Lochmann 1964
+
†Macronoda notchpeakensis Adrain and Westrop 2005
†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 miniscaensis Owen 1852
†Ptychaspis minuta Whitfield 1878
†Ptychaspis pustulosa Hall and Whitfield 1877
†Ptychaspis tuberosa Feniak 1952
Invalid names: Asioptychaspis Kobayashi 1933 [synonym]
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. †Corbina
G. †Eurekia Walcott 1924
+
†Eurekia apopsis Winston and Nicholls 1967
†Eurekia plectocanthus Loch et al. 1993
†Eurekia rintintini Adrain and Westrop 2004
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
†Hungaia peladensis Rusconi 1953
†Hungaia puelchana Rusconi 1953
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. †Ordosia Lu 1954
G. †Paralevisia Zhang and Jell 1987
G. †Poshania Chang 1959
G. †Parabumastides Ji 1987
Fm. †Rhyssometopidae Oepik 1967
+
G. †Plectrifer Opik 1967
G. †Rhyssometopus Oepik 1967
+
G. †Rhyssometropus Opik 1967
Invalid names: Pseudocyclopyge [nomen nudum], Trinucleoidea Hawle and Corda 1847 [empty]
Or. †Ptychopariida Swinnerton 1915
+
Fm. †Acrocephalitidae Hupé 1953
+
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 multisegmentus Walcott 1916
†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. †Ijacephalus Ogienko 1974
G. †Pseudacrocephalaspina Ergaliev 1980
+
†Pseudacrocephalaspina extrema Ergaliev 1980
†Pseudacrocephalaspina strobiliformis 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 stephenensis Resser 1935
†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 jamisoni Robison and Babcock 2011
†Amecephalus laticaudum Resser 1939
†Amecephalus strangulatus Mason 1935
Invalid names: Strotocephalus Resser 1935 [synonym]
G. †Annamitia Mansuy 1916
G. †Beldirella Pokrovskaya 1960
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 fronsplanata concava Sundberg 1994
†Ehmaniella fronsplanata fronsplanata Sundberg 1994
†Ehmaniella fronsplanata convexa Sundberg 1994
†Ehmaniella quadrans Hall and Whitfield 1877
†Ehmaniella similis Zhang et al. 1980
†Ehmaniella waptaensis Rasetti 1951
†Ehmaniella whitei Robison and Babcock 2011
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. †Inglefieldia Poulson 1927
+
†Inglefieldia affinis Poulsen 1927
†Inglefieldia imperfecta Lochman 1952
†Inglefieldia porosa Poulsen 1927
G. †Jenkinsonia Robison 1971
G. †Kistocare Lochman 1948
+
†Kistocare campbellensis Fritz 1968
†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. †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. †Utaspis Robison 1964
Invalid names: Ehmaniellidae Sundberg 1994 [synonym]
G. †Amphorella Rozova 1963
Subfm. †Atratebiinae Shergold 1980
+
G. †Balnibarbi Fortey 1974
Fm. †Bolaspididae Howell and Moore 1959
+
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. †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. †Cryptoderaspis Rasetti 1946
G. †Galeaspis Ivshin 1955
G. †Madarocephalus Resser 1938
G. †Matania Rasetti 1946
G. †Onchonotellus Lermontova 1956
+
†Onchonotellus abnormis Ivshin 1956
†Onchonotellus fenghuangensis Duan et al. 1999
†Onchonotellus kuruktagensis Zhang 1981
†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. †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. †Theodensia
G. †Tumidulaspis Romanenko 1967
G. †Urbanaspis Ivshin 1953
G. †Welleraspis Kobayashi 1935
+
†Welleraspis jerseyensis Weller 1990
†Welleraspis newfoundlandensis Lochman 1938
Invalid names: Avonaspis Lochman 1940 [synonym]
G. †Yukonaspis Kobayashi 1936
G. †Chondrastaulina
G. †Chuangiformis
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
†Conocoryphe emarginata longifrons Cobbold 1911
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
†Conocoryphe heberti pseudooculata Miquel 1905
Invalid names: Liocephalus Grönwall 1902 [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 geminispinosus Hartt 1868
†Ctenocephalus granulatus Walcott 1884
†Ctenocephalus hartti Resser 1936
G. †Elyx Brogger 1879
G. †Novocatharia Özdikmen 2009
+
†Novocatharia ferralsensis Courtessole 1967
Invalid names: Catharia Alvaro and Vizcaino 2003 [replaced]
G. †Parabailiella Thoral 1946
G. †Tchaiaspis
Fm. †Conokephalinidae Hupé 1953
+
G. †Conokephalina Broegger 1886
+
Invalid names: Lobocephalina Ruzicka 1940 [synonym], Ruzickaia Pribyl 1950 [synonym]
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. †Coosia Walcott 1911
+
†Coosia alethes Walcott 1916
†Coosia longocula Palmer 1962
†Coosia pernamagna Wilson 1954
G. †Coosinoides Ivshin 1962
+
†Coosinoides anhuiensis Lu and Zhu 1980
†Coosinoides parthianus Dean 2006
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 ceratopygoides Raymond 1925
†Crepicephalus comus Walcott 1916
†Crepicephalus iowensis Owen 1952
†Crepicephalus thoosa Walcott 1916
G. †Hsuchuangia Lu and Zhu 1983
+
†Hsuchuangia angustilimbata Meng 1977
†Hsuchuangia elongata Qiu 1983
†Hsuchuangia hsuchuangensis Lu 1953
†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. †Sinocrepicephalus Zhang and Jinlin 1984
G. †Uncaspis Kobayashi 1935
G. †Zaozhuangaspis Lin 1984
+
†Zaozhuangaspis pertenus Lin 1984
†Zaozhuangaspis shandongensis Lin 1984
†Zaozhuangaspis similis Lin 1984
†Zaozhuangaspis trapezoidalis Lin 1984
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
†Ajrikina wannanensis Qiu 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 caijiapingensis Yang 1978
†Cyclolorenzella convexa Resser and Endo 1937
†Cyclolorenzella distincta Zhang 1985
†Cyclolorenzella hebeiensis Zhu and Wittke 1989
†Cyclolorenzella parabola Resser and Endo 1937
†Cyclolorenzella uniforma Zhu and Wittke 1989
†Cyclolorenzella yentaiensis Chu 1959
G. †Fenghuangella Yang 1977
+
†Fenghuangella coniformis Ergaliev 1980
†Fenghuangella laochatianensis Yang 1977
†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]
Fm. †Elviniidae Kobayashi 1936
+
G. †Chariocephalus Hall 1863
+
†Chariocephalus tumifrons Hall and Whitfield 1877
†Chariocephalus whitfieldi Hall 1863
G. †Dartonaspis Miller 1936
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
†Dunderbergia variagranula Palmer 1954
G. †Dytremacephalus Palmer 1954
+
†Dytremacephalus asperaxis Palmer 1965
†Dytremacephalus granulosus Palmer 1954
†Dytremacephalus laevis Palmer 1954
†Dytremacephalus strictus Rasetti 1965
G. †Elvinia Walcott 1924
G. †Elvinoides Ivshin 1962
G. †Elviraspis Ivshin 1962
G. †Elyaspis Kurtz 1975
G. †Irvingella Ulrich and Resser 1924
+
†Irvingella angustilimbata Kobayashi 1938
†Irvingella major Ulrich and Resser 1924
+
Invalid names: Irvingella septentrionalis Walcott and Resser 1924 [synonym]
†Irvingella norilica Lazarenko 1968
†Irvingella perfecta Chernysheva 1968
†Irvingella taitzuhoensis Lu 1957
†Irvingella transversa Palmer 1965
†Irvingella tropica Opik 1963
Invalid names: Komaspis Kobayashi 1935 [synonym], Parairvingella Kobayashi 1938 [synonym]
G. †Kujandina
G. †Megadunderbergia Kobayashi 1938
G. †Metisaspina
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 brevifrons Clark 1924
†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 cora Lochman and Duncan 1944
†Blountia gaspensis Rasetti 1946
†Blountia janei Lochman and Duncan 1944
†Blountia mimula Walcott 1916
†Blountia morgancreekensis Armstrong et al. 2020
†Blountia nasuta Rasetti 1946
†Blountia nevadensis Armstrong et al. 2020
†Blountia newfoundlandensis Armstrong et al. 2020
†Blountia tennesseensis Armstrong et al. 2020
†Blountia terranovica Resser 1942
†Blountia virginica Rasetti 1961
Invalid names: Homodictya Raymond 1937 [synonym], Protillaenus Raymond 1937 [synonym]
G. †Brachyaspidion Miller 1936
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. †Kingstonia Walcott 1924
+
†Kingstonia apion Walcott 1924
†Kingstonia ara Walcott 1924
†Kingstonia gaspensis Rasetti 1946
†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 occidentalis Palmer 1962
†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. †Wanwanaspis Kobayashi 1966
+
†Wanwanaspis pygidion Shergold 1975
†Wanwanaspis wannanensis Qiu 1984
G. †Kirengelia
Fm. †Lisaniidae Chang 1963
+
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. †Lisaniella Chang 1963
+
†Lisaniella elongata Chang 1963
†Lisaniella elongataformis Ergaliev 1980
G. †Megalisania Qiu 1983
G. †Paralisaniella Qiu 1983
G. †Platylisania Zhang and Jell 1987
G. †Redlichaspis Kobayshi 1935
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. †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. †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. †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. †Olegaspis Ivshin 1962
G. †Pseudotalbotina Benedetto 1977
G. †Quebecaspis Rasetti 1944
+
†Quebecaspis breviceps Rasetti 1944
†Quebecaspis conifrons Rasetti 1961
†Quebecaspis marylandica Rasetti 1961
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
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. †Lorenzella Kobayashi 1935
+
†Lorenzella convexa Endo and Resser 1937
†Lorenzella kushanensis Chu 1959
†Lorenzella subcylindrica Chu 1959
†Lorenzella wutaiensis Chang 1965
G. †Paralorenzella Zhang 1983
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 kieri Robison and Babcock 2011
†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 comforti Robison and Babcock 2011
†Modocia integella Rozova 1964
†Modocia kohli Robison and Babcock 2011
†Modocia obscura Zhang et al. 1980
†Modocia oweni Meek and Hayden 1861
†Modocia penfieldi Walcott 1899
†Modocia whiteleyi Robison and Babcock 2011
Invalid names: Armonia Walcott 1924 [synonym], Metisia Resser 1937 [synonym], Perioura Resser 1938 [synonym]
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
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 jarrardi Robison and Babcock 2011
†Bolaspidella prooculis Palmer 1954
†Bolaspidella reesae Robison and Babcock 2011
†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. †Menomonia Walcott 1916
+
†Menomonia sahratiani Robison and Babcock 2011
Invalid names: Densonella Shaw 1952 [synonym]
G. †Nephalicephalus Peters 2003
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 boninoi Robison and Babcock 2011
†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. †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. †Wandelella Robison 1988
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. †Westonaspis Rasetti 1945
Fm. †Plethopeltidae Raymond 1925
+
G. †Koldinia Walcott and Resser 1928
+
†Koldinia minor Kobayashi 1943
†Koldinia odelli Peng et al. 2009
G. †Kuljumbina Lazerenko 1960
G. †Leiocoryphe Clark 1924
+
†Leiocoryphe brevis Raymond 1924
†Leiocoryphe gemma Clark 1924
†Leiocoryphe occipitalis Rasetti 1944
G. †Notaiella Ogienko 1974
G. †Plethopeltis Raymond 1913
+
†Plethopeltis levis Walcott 1899
†Plethopeltis pulveris Ludvigsen et al. 1989
Invalid names: Plethometopus Ulrich 1931 [synonym]
G. †Pseudokoldinella Timokhin 1988
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 daopingensis Lee 1978
†Daopingia elongatus Zhao and Huang 1981
†Daopingia guizhouensis Zhao and Huang 1981
G. †Derikaspis Dean 1982
G. †Gangdeeria Zhang et al. 1980
+
†Gangdeeria angusta Zhang et al. 1980
†Gangdeeria neimengguensis Zhang et al. 1980
G. †Grandioculus Cossmann 1908
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
†Proasaphiscus (Honanaspis) honanensis Chang 1959
†Proasaphiscus (Honanaspis) lui Chang 1959
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. †Kutsingocephalus Li and Wang 1963
+
†Kutsingocephalus kutsingensis Li and Wang 1963
†Kutsingocephalus yankongensis Zhang et al. 1980
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. †Proacanthocephalus Özdikmen 2008
+
†Proacanthocephalus longispinus Qiu 1983
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. †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]
G. †Propeltura
Fm. †Ptychopariidae Matthew 1887
+
G. †Achlysopsis Fritz 1968
+
†Achlysopsis brighamensis Resser 1939
†Achlysopsis hemitora Fritz 1968
†Achlysopsis liokata Fritz 1968
G. †Altitudella Repina 1974
G. †Asthenopsis Whitehouse 1939
+
†Asthenopsis butorosa Jell 1978
†Asthenopsis levior Whitehouse 1939
†Asthenopsis opalensis Jell 1978
†Asthenopsis queenslandica Jell 1978
†Asthenopsis rhinostrongyla Jell 1978
†Asthenopsis unquinsepta 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. †Bolaspidina Lermontova 1960
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. †Champlainia Howell 1937
G. †Douposiella Lu and Zhang 1974
+
†Douposiella himalaica Reed 1910
Invalid names: Tongshania Qui and Lin 1983 [synonym]
G. †Eoptychoparia Rasetti 1955
+
†Eoptychoparia benxiensis Guo and An 1982
†Eoptychoparia jinshaensis Zhou 1974
†Eoptychoparia manifesta Lazarenko 1962
†Eoptychoparia nangaoensis Zhang et al. 1980
†Eoptychoparia tafilaltensis Geyer 2015
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
†Illtydaspis quartetensis Fritz 1991
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
+
†Kunmingaspis qiannanensis Zhou 1974
†Kunmingaspis stracheyi Reed 1910
†Kunmingaspis yunnanensis Chang 1964
Invalid names: Benxiaspis Guo and An 1982 [synonym]
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 maopoensis Reed 1910
†Monanocephalus zhongtiaoshanensis Zhang et al. 1980
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
+
†Neoblairella crassimarginata Rasetti 1965
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. †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. †Paraeosoptychoparia Qiu 1983
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 houmengensis Qiu 1983
†Paraziboaspis intermedia Yuan and Li 1999
†Paraziboaspis rara Yuan and Li 1999
†Paraziboaspis zhaishanensis Qiu 1983
G. †Periommella Resser 1938
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. †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 jiawangensis Chang 1963
†Probowmaniella jixianensis Zhang et al. 1995
†Probowmaniella lata Zhang et al. 1980
†Probowmaniella renhuaiensis Zhou 1974
G. †Proliostracus Poulson
+
†Proliostracus ampliatus Fritz 1991
†Proliostracus annosus Fritz 1972
†Proliostracus contractus Fritz 1972
†Proliostracus depressus 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 lloydi Robison and Babcock 2011
†Ptychoparella mettae Robison and Babcock 2011
†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. †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 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. †Reedus Dalmatov 1975
G. †Regius Egorova 1970
G. †Salankanaspis Egorova 1970
G. †Semisphaerocephalus Ivshin 1953
G. †Shantungaspis Chang 1957
+
†Shantungaspis aclis Walcott 1905
†Shantungaspis orientalis Endo and Resser 1937
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. †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. †Ulrichaspis Rasetti 1945
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. †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
Invalid names: Syspacephalus redpathi Walcott 1891 [nomen dubium], Syspacephalus unca Walcott 1917 [nomen dubium]
Subor. †Ptychopariina Richter 1933
+
G. †Guizhoucephalina Chien 1961
Superfm. †Liostracinoidea Raymond 1937
+
Fm. †Liostracinidae Raymond 1937
+
G. †Aplexura Rozova 1963
G. †Doremataspis Opik 1967
G. †Liostracina Monke 1903
G. †Lynaspis Opik 1967
Fm. †Luaspididae Zhang and Yuan 1981
+
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
+
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 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
+
†Yuknessaspis benningtonis Sundberg 1994
+
†Yuknessaspis benningtonis benningtonis Sundberg 1994
†Yuknessaspis benningtonis convexus Sundberg 1994
†Yuknessaspis benningtonis planus Sundberg 1994
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. †Varanella Lochman and Hu 1962
Invalid names: Celmidae Jaanusson 1956 [invalid subgroup], Glaphuridae Hupé 1955 [invalid subgroup]
Fm. †Shumardiidae Lake 1907
+
G. †Changchowilla Waisfeld et al. 2001
G. †Koldinioidia Kobayashi 1931
+
†Koldinioidia orientalis Mansuy 1916
†Koldinioidia pustulosa Qiu 1984
†Koldinioidia typicalis Kobayashi 1931
Invalid names: Akoldinioidia Zhou and Zhang 1984 [synonym], Eoshumardia Hupe 1953 [synonym]
G. †Kweichowilla Zhang 1964
G. †Leoforteyia Waisfeld et al. 2001
G. †Liriamnica Shergold 1980
G. †Shumardia Billings 1862
+
Subg. †Shumardia (Conophrys) Callaway 1877
+
†Shumardia (Conophrys) nericiensis Wiman 1905
†Shumardia (Conophrys) salopiensis 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 matchensis Legg 1976
†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
+
†Tarimella bituberculata 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
Subfm. †Agraulinae Raymond 1913
+
G. †Aiaiaspis Nazarov 1973
G. †Aidarella Lermontova 1951
G. †Albansia Howell 1937
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. †Crusoia Walcott 1924
G. †Denaspis Repina 1973
G. †Eilura Resser and Endo 1935
+
†Eilura hanchengensis Luo 2001
†Eilura quadrata Resser and Endo 1937
G. †Ejinaspis Lu and Zhou 1986
G. †Hyperoparia Zhang 1983
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. †Levisia Walcott 1911
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. †Mataninella
G. †Menocephalites Kobayashi 1935
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 parabolica Geyer 2017
†Parasolenopleura peregrina Wallerius 1930
†Parasolenopleura wurmi Geyer 2017
G. †Perneraspis Prantl 1947
G. †Proavus Poletaeva 1972
G. †Pseudosolenoparia Zhou 1974
+
†Pseudosolenoparia angusta Zhang et al. 1980
†Pseudosolenoparia normalis Zhang et al. 1980
†Pseudosolenoparia yankongensis Zhou 1974
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
+
Subg. †Solenoparia (Plesisolenoparia) Zhang et al. 1980
+
†Solenoparia (Plesisolenoparia) angustilimbata Lu et al. 1988
†Solenoparia (Plesisolenoparia) multisegmenta Zhang et al. 1980
†Solenoparia (Plesisolenoparia) primitia Zhang et al. 1980
†Solenoparia (Plesisolenoparia) ruichengensis Zhang et al. 1980
†Solenoparia (Plesisolenoparia) transversa Zhang et al. 1980
†Solenoparia (Plesisolenoparia) trapezoidalis Zhang et al. 1980
†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
†Solenoparia talingensis Dames 1883
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. †Usumunaspis Lazerenko 1962
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. †Gaoloupingia Yuan and Yin 1998
+
†Gaoloupingia gaoloupingensis Yuan and Yin 1998
†Gaoloupingia triangularis Yuan and Yin 1998
G. †Pagometopus Henningsmoen 1959
G. †Palquiella Suárez-Soruco 1975
G. †Rhadinopleura Harrington and Leanza 1957
+
†Rhadinopleura eurycephala Harrington and Leanza 1957
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
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 formosa anatolica Dean 1967
†Dionide jubata Raymond 1925
†Dionide magnifica Owen and Bruton 1980
†Dionide mareki Henry and Romano 1978
†Dionide miaopoensis Lu 1975
†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. †Raphiophoridae Angelin 1854
+
G. †Ellsaspis Rasetti 1945
Subfm. †Endymioniinae Raymond 1920
+
G. †Anisonotella Whittington 1965
+
†Anisonotella glacialis Billings 1865
Invalid names: Anisonotus Raymond 1920 [replaced]
G. †Endymionia Billings 1865
+
†Endymionia canningi Legg 1976
†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. †Lonchodomas Angelin 1854
+
Subg. †Lonchodomas (Foliopyge) Perfiliev and Levitsky 1963
†Lonchodomas blackstonensis Legg 1976
†Lonchodomas carinatus Cooper 1953
†Lonchodomas chaziensis Shaw 1968
†Lonchodomas clavulus Whittington 1965
†Lonchodomas coagmentatum Tripp 1980
†Lonchodomas depressus Brogger 1887
†Lonchodomas halli Billings 1861
†Lonchodomas normalis Billings 1865
†Lonchodomas paenepennatus Ross 1970
†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
+
†Malongullia oepiki Webby et al. 1970
†Malongullia sinensis Wei et al. 2023
†Malongullia zhenxiongensis Wei et al. 2023
Invalid names: Ampyxinops Zhang 1979 [synonym]
G. †Nambeetella Legg 1976
+
†Nambeetella embolion Fortey and Shergold 1984
†Nambeetella fitzroyensis Legg 1976
G. †Nanshanaspis Zhang and Fan 1960
+
†Nanshanaspis levis Chang and Fan 1960
†Nanshanaspis rotundata Zhang 1988
†Nanshanaspis tarimuensis Zhang 1981
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 cetsarum Fortey and Owens 1978
†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. †Ampyxinella Korleva 1959
+
†Ampyxinella costata Lu 1975
†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 occipitalis Dean 1973
†Ampyxoides semicostatus Billings 1865
G. †Bulbaspis Chugaeva 1956
G. †Cnemidopyge Whittard 1955
+
†Cnemidopyge bisecta Elles 1940
†Cnemidopyge costata Boeck 1838
†Cnemidopyge parva Hughes 1969
†Cnemidopyge tenuis Kennedy 1988
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
†Raphiophorus quadricostatus Emmons 1855
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
+
†Taklamakania granulosus Zhang 1981
†Taklamakania paucisegmentatus Wei et al. 2023
†Taklamakania tarimensis Zhang 1979
+
Invalid names: Ampyx (Parampyx) nanjiangensis Zhang 1981 [synonym]
†Taklamakania xinjiangensis Zhang 1981
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. †Botrioides Stetson 1927
G. †Costonia Whittard 1956
Subfm. †Cryptolithinae Angelin 1854
+
G. †Broeggerolithus Lamont 1935
+
†Broeggerolithus broeggeri Bancroft 1929
†Broeggerolithus discors Angelin 1854
†Broeggerolithus nicholsoni Reed 1910
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
†Cryptolithus tessellatus Green 1832
+
Invalid names: Cryptolithus lorettensis Foerste 1924 [synonym], Trinucleus bellulus Ulrich 1879 [synonym]
G. †Deanaspis Hughes et al. 1975
+
†Deanaspis bedinanensis Dean 1967
†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. †Furcalithus Fortey and Owens 1987
G. †Gymnostomix Fortey and Owens 1987
G. †Hanchungolithus Lu 1956
+
†Hanchungolithus richthofeni Kayser 1883
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. †Marrolithoides Williams 1948
G. †Myinda Stubblefield and Bulman 1927
G. †Myindella Hutchison and Ingham 1962
G. †Myttonia Whittard 1955
G. †Novaspis Whittington 1941
G. †Paratretaspis Dean 1973
G. †Paratrinucleus Whittington 1941
G. †Parkesolithus Campbell and Durham 1970
G. †Reedolithus Bancroft 1929
G. †Reuscholithus Bancroft 1929
G. †Telaeomarrolithus Williams 1948
+
Invalid names: Fimbriomarrolithus Williams 1948 [objective synonym]
Subfm. †Trinucleinae Hawle and Corda 1847
+
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 moeldenensis Cave 1960
†Tretaspis reticulata Ruedemann 1901
†Tretaspis sagenosus Whittington 1959
†Tretaspis seticornis Hisinger 1840
†Tretaspis sortita Reed 1935
G. †Trinucleus Murchison 1839
+
†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
| Reference | Diagnosis | |
|---|---|---|
| R. A. Fortey 1990 | Trilobites having natant hypostomal condition, or with secondarily conterminant or impendent hypostomal condition |
Measurements
No measurements are available
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| Reference: Aberhan et al. 2004 | |||||
Collections (7283 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Caerfai | USA (New York) | Rimouskia sp. (181) | |
| Early/Lower Cambrian | Canada (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 contractus (156171) Proliostracus depressus (156169) Proliostracus latus, Proliostracus annosus (156173) Variopelta laevis (156174) | |
| Early/Lower Cambrian | USA (Nevada) | Ptychoparioidea indet. (204007) | |
| Waucoban | Greenland | Kochiella tuberculata, Kochiella gracilis, Inglefieldia porosa (225266) | |
| Waucoban | Canada (British Columbia) | Proliostracus sp. (10864) | |
| Cambrian | USA (Alaska) | Briscoia sp., Tostonia sp. (114982) Richardsonella sp. (114979) | |
| Cambrian | USA (Georgia) | Asaphiscus sp., Blania gregaria, Eteraspis glabra, Solenopleurella buttsi, Coosia superba, Tricrepicephalus cedarensis, Coosella curticei, Armonia elongata, Elrathiella buttsi, Elrathia sp. (164675) | |
| Cambrian | Argentina (San Juan ) | Blainia gregaria (200101) Ehmaniella sp., Elrathiella sp. (200108) | |
| Cambrian | USA (Montana) | Macronoda sp., Promesus sp., Saukia sp., Dikelocephalus sp., Monocheilus sp., Plethometopus sp. (258) | |
| Cambrian | Norway (Ringsaker) | Proceratopyge nathorsti (194050) | |
Youngest occurrences |
|||
| Time interval | Ma | Country or state | PBDB collection number |
| Wenlock - Ludlow | Canada (Northwest Territories) | Solenopleura sp. (188855) | |
| Homerian | Czech Republic | Raphiophorus roualti (14028 14050 14103) Raphiophorus sp. (14102) | |
| Homerian | Canada (Northwest Territories) | Ptychopariida indet. (497) | |
| Gorstian | Australia (Australian Capital Territory) | Proetacea indet. (25682) | |
| Gorstian | Algeria | Raphiophorus rouaulti (27153) | |
| Gorstian - Ludfordian | Czech Republic | Raphiophorus roualti (14127) | |
| Ludlow | Morocco | Raphiophorus roualti (27029) Raphiophorus rouaulti (27053) | |
| Ludlow | United Kingdom (England) | Raphiophorus sp. (482) | |
| Ludfordian | Austria | Raphiophorus roualti (13908) | |
| Pridoli | Italy (Sardinia) | Ampyx ouralti (26173) Raphiophorus sp. (26187) | |