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Ptychopariida

Trilobita - Ptychopariida

Synonymy list
YearName and author
1915Ptychopariida Swinnerton pp. 538-545
1957Ptychopariida Harrington and Leanza
1990Ptychopariida Fortey p. 561
1992Ptychopariida Bengtson p. 1023
1994Ptychopariida Sundberg p. 53
2000Ptychopariida Sundberg and McCollum p. 607
2002Ptychopariida Sepkoski
2003Ptychopariida Sundberg and McCollum p. 345
2007Ptychopariida Loch p. 22
2008Ptychopariida Briggs et al. p. 249
2008Ptychopariida Landing et al. p. 898
2020Ptychopariida Bignon et al. p. 1072

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
Life
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
subclassLibristoma
orderPtychopariidaSwinnerton 1915
orderPtychopariidaSwinnerton 1915

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.

Or. †Ptychopariida Swinnerton 1915
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Fm. †Acrocephalitidae Hupé 1953
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G. †Acrocephalella Rozova 1963
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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
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Bythicheilus alveatum Resser 1939
Bythicheilus typicum Resser 1939
G. †Chancia Walcott 1924
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Chancia angusta Resser 1939
Chancia maladensis Resser 1939
Chancia rasettii Shaw 1957
Chancia venusta Resser 1939
G. †Chanciaopsis Sundberg 1994
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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 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
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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
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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
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Novocatharia ferralsensis Courtessole 1967
Invalid names: Catharia Alvaro and Vizcaino 2003 [replaced]
G. †Parabailiella Thoral 1946
Fm. †Conokephalinidae Hupé 1953
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G. †Buitella Lazarenko 1964
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Buitella buitensis Lazarenko 1964
G. †Catuniella Egorova 1956
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Catuniella lauta Lazarenko 1960
G. †Conokephalina Broegger 1886
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Invalid names: Lobocephalina Ruzicka 1940 [synonym], Ruzickaia Pribyl 1950 [synonym]
G. †Maspakites Lazarenko and Nikiforov 1968
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Maspakites occidentalis Lazarenko and Nikiforov 1968
G. †Meisterella Ivshin 1952
G. †Miranda Jegorova 1984
G. †Suludella Egorova and Savitsky 1968
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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
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
+
Catinouyia typica Zhang and Yuan 1981
G. †Huainania Qiu 1983
G. †Inouyia Walcott 1911
+
Inouyia capax Walcott 1906
Inouyia granulosa Hall and Whitfield 1877
Inouyia simulator Hall and Whitfield 1877
G. †Jiulongshania Park et al. 2008
+
Jiulongshania longa Park et al. 2008
Jiulongshania longispina Zhu and Wittke 1989
Jiulongshania regularis Walcott 1906
+
Invalid names: Lorenzella pustulosa Chu 1959 [synonym]
Jiulongshania rotundata Resser and Endo 1937
G. †Parainouyia Zhang et al. 1980
+
Parainouyia lata Zhang et al. 1980
Parainouyia prompta Zhang and Yuan 1981
G. †Parajialaopsis Zhang et al. 1980
+
Parajialaopsis globus Zhang et al. 1980
G. †Pseudinouyia Zhang et al. 1995
+
Pseudinouyia punctata Zhang et al. 1995
Pseudinouyia transversa 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]
Diagnosis
No diagnoses are available