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Orthida

Rhynchonellata - Orthida

Synonyms
Synonymy list
YearName and author
1913Rhipidomellida Schuchert
1932Orthida Schuchert and Cooper
1974Orthida Neuman and Bruton
1976Orthida Isaacson et al. p. 1108
1977Orthida Mitchell
1992Orthida Bengtson p. 1030
1997Orthida Jin and Chatterton
2000Orthida Williams et al. p. 714
2002Orthida Sepkoski
2003Orthida Benedetto
2004Rhipidomellida Kotlyar et al. p. 516
2007Orthida Zuykov and Harper
2008Orthida Zuykov et al.
2009Orthida Popov et al.
2011Orthida Hansen and Holmer
2011Orthida Rubel
2014Orthida Hints
2014Orthida Jakobsen et al.
2015Orthida Hints and Harper
2017Orthida Liljeroth et al.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
Lophophorata
RankNameAuthor
PanbrachiopodaCarlson and Cohen 2020
phylumBrachiopodaCuvier 1805
subphylumRhynchonelliformeaWilliams et al. 1996
classRhynchonellataWilliams et al. 1996
orderOrthidaSchuchert and Cooper 1932
orderOrthidaSchuchert and Cooper 1932

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. †Orthida Schuchert and Cooper 1932
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G. †Bethia Sutton et al. 2005
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Bethia serraticulma Sutton et al. 2005
Subor. †Dalmanellidina Moore 1952
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Superfm. †Dalmanelloidea Schuchert 1913
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Fm. †Angusticardiniidae Schuchert and Cooper 1931
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G. †Angusticardinia Schuchert and Cooper 1931
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Angusticardinia recta Pander 1830
Angusticardinia striata Pander 1830
G. †Apatorthis Opik 1933
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Apatorthis inflata Opik 1933
Apatorthis jugata Opik 1933
Apatorthis punctata Opik 1933
Apatorthis tenuicosta d'Eichwald 1840
Apatorthis tenuicostata d'Eichwald 1840
Apatorthis ultima Opik 1933
Fm. †Dalmanellidae Schuchert 1913
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G. †Cincinnetina Jin 2012
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Cincinnetina meeki Miller 1875
Subfm. †Cortezorthinae Johnson and Talent 1967
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G. †Cortezorthis Johnson and Talent 1967
G. †Reeftonia
G. †Crassiorina Havlíček 1950
G. †Dalmanella Hall and Clarke 1892
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Subg. †Dalmanella (Isorthis) Kozlowski 1929
Subg. †Dalmanella (Wattsella) Bancroft 1928
Dalmanella aluverensis Hints 1975
Dalmanella antisculpta Jin and Zhan 2008
Dalmanella bassleri Foerste 1909
Dalmanella cheesemani Williams 1962
Dalmanella cicatrica Appollonov et al. 1980
Dalmanella costellata Cooper 1956
Dalmanella cyclica Rubel 1962
Dalmanella edgewoodensis Savage 1913
Dalmanella federata Reed 1917
Dalmanella fertilis Ulrich 1909
Dalmanella frechi Fliegel 1901
Dalmanella horderleyensis Whittington 1938
Dalmanella humalaensis Hints 1975
Dalmanella kotyrzhalica Popov and Cocks 2014
Dalmanella modica Williams 1963
Dalmanella navis Opik 1930
Dalmanella parva Williams 1949
Dalmanella pectinoides Bergström 1968
Dalmanella portranensis Wright 1964
Dalmanella salopiensis Williams 1974
Dalmanella sculpta Cooper 1956
Dalmanella subquadrata Fliegel 1900
Dalmanella sulcata Cooper 1956
Dalmanella testudinaria Dalman 1828
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Invalid names: Dalmanella biconvexa Williams 1951 [synonym]
Dalmanella unguis Sowerby and Murchison 1839
Dalmanella whittakeri Ruedemann 1921
G. †Dalmanellid Owen and Harper 1982
Subfm. †Dalmanellinae Schuchert 1913
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G. †Bancroftina Sinclair 1946
G. †Eremotrema Cooper 1956
G. †Howellites Bancroft 1945
G. †Mirorthis
G. †Paucicrura Cooper 1956
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Invalid names: Cristiferina Cooper 1956 [synonym], Sigopallus [synonym]
G. †Ravozetina Havlícek 1974
G. †Wysogorskiella Hints 1975
Subfm. †Isorthinae Schuchert and Cooper 1931
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G. †Isorthis Kozlowski 1929
G. †Levenea Schuchert and Cooper 1931
G. †Tyersella
Invalid names: Isorthidae Schuchert and Cooper 1931 [replaced]
G. †Onniella Bancroft 1928
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Onniella acuta Hints 1975
Onniella argentea Hisinger 1837
Onniella bancrofti Lindström 1953
Onniella broeggeri Bancroft 1928
Onniella flava Havlicek 1950
Onniella jonesi Davidson 1883
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Invalid names: Onniella sambrensis Sheehan 1987 [synonym]
Onniella kalvoya Cocks 1982
Onniella longa Hints 1975
Onniella navis Opik 1930
Onniella ostentata Williams 1963
Onniella pashkevichiusi Musteikis and Paskevicius 1999
Onniella perplexa Laurie 1991
Onniella plicata Howe 1965
Onniella rava Marek and Havlíček 1967
Onniella sturensis Hints 1975
Onniella tricapitata Jin and Zhan 2008
Onniella trigona Rubel 1962
Onniella tyersensis Philip 1962
Onniella yichangensis Zeng 1983
Invalid names: Bagnorthis [synonym], Soudleyella [synonym]
Subfm. †Prokopiinae Wright 1965
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G. †Eoprokopia Baranov 2007
G. †Phragmophora Cooper 1955
G. †Prokopia
Subfm. †Resserellinae Walmsley and Boucot 1971
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G. †Dedzetina
G. †Karlicium
G. †Resserella Bancroft 1928
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Invalid names: Parmorthis [synonym]
G. †Visbyella Walmsley et al. 1968
Subfm. †Templeellinae Harper 2000
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G. †Templeella Rozman and Rong 1993
Fm. †Dicoelosiidae Cloud 1948
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G. †Dicoelosia King 1850
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Dicaelosia johnsoni Sheehan 1976
Dicaelosia oklahomenesis Amsden 1956
Dicoelosia alticavata Whittard and Barker 1950
Dicoelosia anticipata Wright 1968
Dicoelosia baltica Musteikis and Puura 1983
Dicoelosia biloba Linnaeus 1758
Dicoelosia cathaysiensis Huang et al. 2013
Dicoelosia diversifrons Johnson et al. 1976
Dicoelosia indenta Cooper 1930
Dicoelosia inghami Wright 1968
Dicoelosia jonesridgensis Ross and Dutro 1966
Dicoelosia lata Wright 1964
Dicoelosia osloensis Wright 1968
Dicoelosia paralata Bassett 1972
Dicoelosia parvifrons Johnson et al. 1976
Dicoelosia simulata Mitchell 1977
Dicoelosia transversa Wright 1968
Dicoelosia varica Conrad 1842
Dicoelosia verneuiliana Beecher 1891
Invalid names: Bilobites Quenstedt 1869 [synonym]
G. †Epitomyonia Wright 1968
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Epitomyonia amplissima Zhang 1989
Epitomyonia clausula Johnson et al. 1976
Epitomyonia glypha Wright 1968
Epitomyonia pachytriseptata Zhang and Boucot 1988
Epitomyonia paucitropida Chen et al. 2008
Epitomyonia relicina Potter 1990
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Teichertina americana Johnson 1970
Fm. †Harknessellidae Bancroft 1928
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G. †Haymina Bogoyavlenskaya 1991
G. †Horderleyella Bancroft 1928
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Horderleyella chacaltanai Villas et al. 2015
Horderleyella fragilis Bergström 1968
Horderleyella kegelensis Alichova 1953
G. †Isabelella Reyes-Abril et al. 2013
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Isabelella fascicostellata Reyes-Abril et al. 2013
G. †Kampella Baarli 1988
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Kampella guttula Baarli 1988
G. †Reuschella Bancroft 1928
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Reuschella americana Cooper 1956
Reuschella herreraensis Villas 1992
Reuschella horderleyensis Bancroft 1929
Reuschella inexpectata Temple 1968
Reuschella magna Hints 1975
Fm. †Heterorthidae Schuchert and Cooper 1931
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G. †Arenorthis Havlícek 1970
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Arenorthis arenaria Havlícek 1970
Arenorthis paranaensis Benedetto et al. 2013
G. †Cacemia
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Cacemia ribeiroi Sharpe 1853
G. †Cilinella
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Cilinella svobodai Havlíček 1950
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Heterorthella tondonensis Racheboeuf and Villeneuve 1992
G. †Heterorthina Bancroft 1928
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Heterorthina cybele Li and Copper 2006
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Invalid names: Dalmanella breviculus Foerste 1909 [synonym], Dalmanella fultonensis Foerste 1912 [synonym]
Heterorthina kerfornei Melou 1975
Heterorthina macfarlani Neuman 1967
Heterorthina praeculta Bancroft 1928
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G. †Incorthis Havlíček and Branisa 1980
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Incorthis marocana Mergl 1987
G. †Svobodaina Havlicek 1951
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Svobodaina armoricana Babin and Mélou 1972
Svobodaina barnumosa Havlicek 1981
Svobodaina ellipsoides Barrande 1848
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Invalid names: Svobodaina inclyta Barrande 1879 [synonym]
Svobodaina feisti Havlicek 1981
Svobodaina havliceki Villas 1985
Svobodaina suburbana Barrande 1879
Invalid names: Planoharknessella [synonym]
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G. †Tarfaya Havlicek 1971
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Tarfaya grandis Harrington 1938
Tarfaya jafariani Popov et al. 2009
Tarfaya marocana Havlicek 1971
G. †Tissintia
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Tissintia immatura Williams 1949
Fm. †Hypsomoniidae Wright 1965
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Fm. †Kayserellidae Wright 1965
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Fm. †Mystrophoridae Schuchert and Cooper 1931
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Fm. †Paurorthidae Opik 1933
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G. †Paurorthina Rubel 1961
G. †Paurorthis Schuchert and Cooper 1931
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Paurorthis fasciculata Cooper 1956
Paurorthis inflata Rubel 1961
Paurorthis inopinatus Baarli 1988
Paurorthis longa Cooper 1956
Paurorthis minima Pander 1830
Paurorthis parva Pander 1830
Paurorthis resima Rubel 1961
Paurorthis savalaensis Hints 1968
Paurorthis valida Rubel 1961
G. †Virgoria Neuman 1976
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Virgoria virgensis Neuman 1976
Fm. †Platyorthidae Harper et al. 1969
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G. †Crozonorthis Melou 1976
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Crozonorthis musculosa Melou 1976
G. †Diceromyonia Wang 1949
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Diceromyonia crassa Howe 1965
Diceromyonia storeya Okulitch 1943
Diceromyonia tersa Sardeson 1892
Invalid names: Diceromyonia ciona Li and Copper 2006 [nomen dubium]
G. †Eorhipidomella Hints 1971
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Eorhipidomella ovalis Hints 1971
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Marklandella markesi Baarli 1988
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Platyorthis ovalis Paskevicius 1962
G. †Proclinorthis Colmenar et al. 2013
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Proclinorthis vailhanensis Colmenar et al. 2013
Fm. †Proschizophoriidae Boucot et al. 1966
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G. †Baturria
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Cordatomyonia umangoensis Benedetto 1995
G. †Elegesta
G. †Idiorthis
Fm. †Rhipidomellidae Schuchert 1913
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Subfm. †Perditocardiniinae Williams et al. 2000
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G. †Loganella
Subfm. †Platyorthinae Harper et al. 1969
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G. †Elsaella Alichova 1960
Subfm. †Rhipidomellinae Schuchert 1913
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G. †Aulacella
G. †Dalejina Havlicek 1953
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Invalid names: Rhipidomelloides [synonym]
G. †Discomyorthis Johnson 1970
G. †Mendacella Cooper 1930
G. †Permorhipidomella He et al. 2019
G. †Stainbrookia Cooper and Dutro 1982
G. †Strixella
G. †Thiemella
Fm. †Tyronellidae Mitchell 1977
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G. †Tyronella Mitchell 1977
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Tyronella killeyensis Mitchell 1977
Tyronella siugensis Hints 2012
Invalid names: Portranellidae Williams et al. 2000 [empty]
Superfm. †Enteletoidea Waagen 1884
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Fm. †Chrustenoporidae Baarli 1988
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+
G. †Dysprosorthis Rong 1984
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G. †Jezercia Havlicek and Mergl 1982
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Jezercia chrustenicensis Havlicek 1951
Jezercia ostiaria Havlicek and Mergl 1982
Jezercia rongi Baarli 1988
Jezercia wrighti Havlicek 1977
G. †Wangyuella Zhan and Rong 1995
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Wangyuella ventribiconvexa Zhan and Rong 1995
Fm. †Draboviidae Havlicek 1950
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G. †Destombesium Havlicek 1971
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Destombesium ellipsoides Havlicek 1971
Destombesium pacochicoensis Havlicek and Branisa 1980
Destombesium zagoraensis Havlicek 1971
Subfm. †Draboviinae Havlicek 1950
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G. †Boticium
G. †Diorthelasma Cooper 1956
G. †Draborthis Marek and Havlíček 1967
G. †Drabovia Havlicek 1950
G. †Fascifera Ulrich and Cooper 1942
G. †Hirnantia Lamont 1935
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Invalid names: Villicundella [synonym]
G. †Kinnella Bergström 1968
G. †Oanduporella Hints 1975
G. †Orthiella
G. †Pionodema Foerste 1912
G. †Salopina Boucot 1960
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Invalid names: Salopinella [synonym]
G. †Tunariorthis Benedetto 2014
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Invalid names: Tunaria Benedetto 2013 [replaced]
Subfm. †Monelasmiinae Williams et al. 2000
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G. †Vallomyonia Johnson 1966
Fm. †Enteletidae Waagen 1884
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G. †Camerenteletes Shen and Shi 2007
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Camerenteletes enteletoides Shen and Shi 2007
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Enteletella nikschitchi Licharew 1925
G. †Enteletes Waldheim 1825
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Enteletes acutiplicatus Hayasaka 1932
Enteletes andii d'Orbigny 1842
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Invalid names: Terebratula gaudryi d'Orbigny 1842 [synonym]
Enteletes andrewsi Grabau 1931
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Invalid names: Enteletes obesa Grabau 1931 [synonym]
Enteletes angulatus Girty 1908
Enteletes asymmatrosis Xu and Grant 1994
Enteletes bowsheri Cooper and Grant 1976
Enteletes carnicus Schellwien 1892
Enteletes carniolicus Schellwien 1900
Enteletes conjunctus Reed 1944
Enteletes costellatus Cooper and Grant 1976
Enteletes densus Cooper and Grant 1976
Enteletes dieneri Schellwien 1900
Enteletes dumblei Girty 1908
Enteletes dzhagrensis Sokolskaja 1965
Enteletes elegans Gemmellaro 1899
Enteletes elegans de Gregorio 1930
Enteletes exiguus Cooper and Grant 1976
Enteletes ferrugineus Waagen 1884
Enteletes geniculatus Licharew 2002
Enteletes gibbosus Chronic 1949
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Invalid names: Enteletes bisulcata Liao and Meng 1986 [synonym], Enteletes xiziensis Liang 1990 [synonym]
Enteletes globosus Girty 1908
Enteletes granti Waterhouse and Gupta 1983
Enteletes haugi Gemmellaro 1899
Enteletes hemiplicata Hall 1852
Enteletes imperans de Gregorio 1930
Enteletes intermedius Mansuy 1913
Enteletes kayseri Waagen 1884
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Invalid names: Enteletes subaequivalioides Liang 1990 [synonym]
Enteletes khammonensis Mansuy 1913
Enteletes laevissimus Waagen 1884
Enteletes lamarckii Fischer de Waldheim 1825
Enteletes lateroplicatus Fantini Sestini and Glaus 1966
Enteletes liumbonus King 1931
Enteletes lukouensis Yang 1977
Enteletes meridionalis Gemmellaro 1899
Enteletes merzbacheri Keidel 1906
Enteletes microplocus Gemmellaro 1899
Enteletes mioplicata Zhao and Tan 1984
Enteletes multiplicatus Zeng et al. 1995
Enteletes najae Fredericks 1925
Enteletes nodosus Astre 1934
Enteletes nucleolus Grabau 1931
Enteletes obscura Jin and Ye 1979
Enteletes obsoletus Gemmellaro 1899
Enteletes oehlerti Gemmellaro 1899
Enteletes pentameroides Waagen 1884
Enteletes plummeri King 1931
Enteletes retardata Huang 1933
Enteletes rotundobesus Cooper and Grant 1976
Enteletes salopeki Sremac 1986
Enteletes singularis Reed 1944
Enteletes socialis Reed 1944
Enteletes spinosus de Gregorio 1930
Enteletes stehlii Cooper and Grant 1976
Enteletes subaequivalvis Gemmellaro 1899
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Invalid names: Meekella sparsiplicata He and Shi 2014 [synonym]
Enteletes subcircularis Cooper and Grant 1976
Enteletes subnudus Cooper and Grant 1976
Enteletes subobesa Grabau 1931
Enteletes tenuistriatus Maslennikov 1935
Enteletes transversus Zeng 1993
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Invalid names: Enteletes dieneri Gemmellaro 1899 [objective synonym], Enteletes milleplicata Liang 1990 [synonym], Enteletes zhejiangensis Liang 1990 [synonym], Enteletes zhexiensis Liang 1990 [synonym]
Enteletes tschernyschewi Gemmellaro 1899
Enteletes waageni Gemmellaro 1899
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Invalid names: Enteletes contractus Gemmellaro 1899 [synonym]
Enteletes wannanensis Zhang and Jin 1961
Enteletes wordensis King 1931
Invalid names: Enteletes huadongensis Liang 1990 [nomen dubium], Punctoproductus eximius Liang 1990 [nomen dubium]
G. †Enteletina Schuchert and Cooper 1931
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Enteletina acuteplicata Waagen 1884
Enteletina latesinuatus Waagen 1884
Enteletina mirabilis Mansuy 1913
Enteletina sublaevis Waagen 1884
Enteletina suessi Schellwien 1892
Enteletina undata Jin and Liao 1975
G. †Mapingtichia Li 1986
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G. †Parenteletes King 1931
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Parenteletes cooperi King 1931
Parenteletes superbus Cooper and Grant 1976
G. †Peltichia Jin and Liao 1981
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Peltichia akasakensis Ozawa 1927
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Invalid names: Enteletes minoensis Hayasaka 1932 [synonym]
Peltichia ruzhencevi Sokolskaja 1965
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Invalid names: Peltichia nachodkensis Kotlyar 1989 [synonym]
Peltichia sinensis Huang 1933
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Invalid names: Enteletina pengshuiensis Tong 1978 [synonym]
Peltichia subtriangularis Shen et al. 1999
Peltichia transversa Huang 1933
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Invalid names: Peltichia planisinosa Liang 1990 [synonym], Peltichia schizoloides Xu and Grant 1994 [synonym]
Peltichia zigzag Huang 1933
Fm. †Linoporellidae Schuchert and Cooper 1931
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+
Elasmothyris limata Potter 1990
G. †Laticrura Cooper 1956
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Laticrura erecta Wright 1964
Laticrura heteropleura Cooper 1956
Laticrura inconstans Reed 1917
Laticrura magna Cooper 1956
Laticrura pionodema Cooper 1956
Laticrura rostrata Hints 1975
G. †Leptoskelidion Amsden 1974
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Leptoskelidion loci Cocks 1982
G. †Linoporella Schuchert and Cooper 1931
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Linoporella punctata deVerneuil 1848
G. †Salopia Williams 1955
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Salopia gracilis Williams 1955
Salopia salteri Davidson 1869
Invalid names: Salopia salteri gracilis Williams 1955 [synonym]
Fm. †Saukrodictyidae Wright 1964
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G. †Callositella Rasmussen et al. 2012
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Callositella cheeneetnukensis Rasmussen et al. 2012
G. †Hulterstadia Wright 1993
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Hulterstadia cor Wiman 1907
G. †Saukrodictya Wright 1964
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Saukrodictya hibernica Wright 1964
Saukrodictya philipi Davidson 1883
Saukrodictya porosa Havlicek 1968
Saukrodictya reticula Vinassa 1927
Saukrodictya tormoensis Villas 1992
Saukrodictya wrighti Sheehan 1987
Invalid names: Oleorthis Havlicek 1968 [synonym]
Fm. †Schizophoriidae Schuchert and Le Vene 1929
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G. †Acosarina Cooper and Grant 1969
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Acosarina antesulcata Waterhouse 1983
Acosarina baylorensis King 1931
Acosarina circular Xu 1987
Acosarina dorashamensis Sokolskaja 1965
Acosarina dunbari Cooper and Grant 1976
Acosarina fecunda Liao 1979
Acosarina grandis Chen and Shi 2006
Acosarina incisiva Waagen 1884
Acosarina janiceps Waagen 1884
Acosarina juresanensis Tschernyschew 1902
Acosarina mesoplatys King 1931
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Invalid names: Rhipidomella leonardensis King 1931 [synonym], Rhipidomella transversa King 1931 [synonym]
Acosarina minuta Abich 1878
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Invalid names: Acosarina dorsisulcata Cooper and Grant 1969 [synonym], Acosarina kanmerai Yanagida and Nakornsri 1999 [synonym], Kotlaia capillosa Grant 1993 [synonym], Orthis indica Waagen 1884 [synonym], Sunacosarina campana Liang 1990 [synonym]
Acosarina peculiaris Girty 1931
Acosarina rectimarginata Cooper and Grant 1976
Acosarina regularis Liao 1980
Acosarina tumita Zeng et al. 1995
Invalid names: Sunacosarina Liang 1990 [synonym]
G. †Aulacophoria Schuchert and Cooper 1931
G. †Enteletoides Stuckenberg 1905
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Enteletoides redux Reed 1944
G. †Kotlaia Grant 1993
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Kotlaia aethopa Grant 1993
Kotlaia bistriata Reed 1944
Kotlaia strophiria Xu and Grant 1994
Kotlaia waterhousei Grant 1976
G. †Orthotichia Hall and Clarke 1892
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Orthotichia altilis Liang 1990
Orthotichia avushensis Sokolskaja 1965
Orthotichia derbyi Waagen 1884
Orthotichia hueconiana Girty 1929
Orthotichia irregularis Cooper and Grant 1976
Orthotichia japonica Hayasaka 1932
Orthotichia jiangxiensis Hu and Jin 1982
Orthotichia magnifica Grabau 1936
Orthotichia marmorea Waagen 1884
Orthotichia morganiana Derby 1874
Orthotichia nana Grabau 1931
Orthotichia newelli Cooper and Grant 1976
Orthotichia parva Sokolskaja 1965
Orthotichia pentamera Eichwald 1860
Orthotichia sulcata Reed 1944
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Invalid names: Orthotichia venterconvexa Liang 1990 [synonym]
Orthotichia trigona Yang 1977
G. †Schizophoria King 1850
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Orthis (Schizophoria) iowensis Hall and Clarke 1892
Subg. †Schizophoria (Eoschizophoria) Rong and Yang 1980
Subg. †Schizophoria (Schizophoria) King 1850
Schizophoria amanaensis Stainbrook 1945
Schizophoria annanaensis Stainbrook 1945
Schizophoria depressa Easton 1962
Schizophoria kintaensis Shi and Waterhouse 1991
Schizophoria lata Stainbrook 1940
Schizophoria nevadaensis Merriam 1940
Schizophoria paraprima Johnson et al. 1973
Schizophoria resupinata Martin 1809
Schizophoria striatula von Schlotheim 1813
Schizophoria striatula Girty 1900
Schizophoria sulcata Easton et al. 1958
Schizophoria supracarbonica Tschernyschew 1902
Schizophoria swallowi Weller 1914
Schizophoria tani Huang 1933
Schizophoria upensis Sarycheva and Sokolskaja 1952
Schizophoria verulamensis Cvancara 1958
Schizophoria vulvaria von Schlotheim 1820
G. †Fehamya Mergl 1983
G. †Glypterina Boucot 1970
G. †Kundatella Aksarina 1978
Subor. †Orthidina Schuchert and Cooper 1932
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Superfm. †Orthoidea Woodward 1852
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Fm. †Anomalorthidae Ulrich and Cooper 1936
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G. †Alimbella Andreeva 1960
G. †Anomalorthis Ulrich and Cooper 1936
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Anomalorthis lonensis Walcott 1884
Anomalorthis nevadensis Ulrich and Cooper 1938
Anomalorthis oklahomensis Ulrich and Cooper 1938
Anomalorthis resoi Ross 1970
Anomalorthis rossi Hansen and Holmer 2011
Anomalorthis utahensis Ulrich and Cooper 1936
G. †Medessia
Fm. †Archaeorthidae Williams et al. 2007
+
G. †Archaeorthis Schuchert and Cooper 1931
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Archaeorthis altaica Rozman and Severgina 1983
Archaeorthis christianiae Kjerulf 1865
Archaeorthis costellata Ulrich and Cooper 1938
Archaeorthis electra Billings 1865
Archaeorthis elongata Ulrich and Cooper 1936
Archaeorthis globosa Williams and Curry 1985
Archaeorthis groenlandica Poulsen 1937
Archaeorthis major Nikitina et al. 2006
Archaeorthis subcarinata Laurie 1980
Archaeorthis wimani Walcott 1905
G. †Cyrtonotella Schuchert and Cooper 1931
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Cyrtonotella kuckersiana Wysogorski 1900
Cyrtonotella semicircularis Eichwald 1829
G. †Diplonorthis Mitchell 1972
+
Diplonorthis portlocki Mitchell 1977
G. †Nicoloidea Zeng 1987
G. †Nothorthis Ulrich and Cooper 1938
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Nothorthis delicatula Ulrich and Cooper 1938
Nothorthis kinderlensis Andreeva 1960
Nothorthis marginata Benedetto et al. 2003
Nothorthis perplexa Xu and Liu 1984
Nothorthis subpyramidalis Hansen and Holmer 2011
Nothorthis tarda Cooper 1956
Invalid names: Altorthis Andreeva 1960 [synonym]
G. †Pleurorthis Cooper 1956
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Invalid names: Ambardella [synonym]
G. †Riograndella Kobayashi 1937
G. †Xinanorthis Xu and Liu 1974
Fm. †Bohemiellidae Havlicek 1977
+
G. †Bohemiella Schuchert and Cooper 1931
+
Bohemiella romingeri Barrande 1848
Invalid names: Shiragia [synonym]
G. †Cymbricia Roberts and Jell 1990
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Cymbricia spinicostata Roberts and Jell 1990
G. †Diraphora
+
Diraphora arrojosensis Cooper et al. 1952
Diraphora dyunyin Kruse 1990
Diraphora simplex Popov 1984
G. †Murrinyinella Kruse 1990
+
Murrinyinella garradin Kruse 1990
G. †Oligomys
G. †Wimanella Walcott 1908
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Wimanella highlandensis Walcott 1886
Wimanella inyoensis Walcott 1908
Wimanella maladensis Resser 1939
Wimanella nautes Walcott 1912
Wimanella rara Walcott 1908
Wimanella seges Kruse 1990
Wimanella shelbyensis Walcott 1908
Wimanella simplex Walcott 1908
Wimanella spencei Walcott 1912
Wimanella tricavata Roberts and Jell 1990
Fm. †Cathaysiorthidae Rong et al. 2013
+
G. †Asturorthis Villas and Cocks 1996
+
Asturorthis sarreoensis Villas and Cocks 1996
G. †Cathaysiorthis Rong et al. 2008
+
Cathaysiorthis enorme Laurie 1991
Cathaysiorthis xichuanensis Huang et al. 2019
Cathaysiorthis yushanensis Zeng and Hu 1997
Fm. †Glyptorthidae Schuchert and Cooper 1931
+
G. †Bassettella Zykov and Butts 2008
+
Bassettella alata Hints 2010
Bassettella gracilis Zuykov and Butts 2008
G. †Eridorthis Foerste 1909
+
Eridorthis australis Percival 1991
Eridorthis inexpecta Cooper 1956
Eridorthis nicklesi Foerste 1909
G. †Glyptorthis Foerste 1914
+
Glyptorthis alta Cooper 1956
Glyptorthis assimilis Cooper 1956
Glyptorthis balclatchiensis Davidson 1883
Glyptorthis balcletchiensis Davidson 1883
Glyptorthis bellarugosa Conrad 1843
Glyptorthis bellatula Cooper 1956
Glyptorthis cataclina Zeng 1987
Glyptorthis costellata Cooper 1956
Glyptorthis crenulata Cooper 1956
Glyptorthis crispa M'Coy 1846
Glyptorthis crispata Emmons 1842
Glyptorthis daytonensis Foerste 1887
Glyptorthis equiconvexa Cooper 1956
Glyptorthis fausta Foerste 1887
Glyptorthis glaseri Alberstadt 1973
Glyptorthis glypta Cooper 1956
Glyptorthis imbrex Havlicek and Branisa 1980
Glyptorthis insculpta Hall 1847
Glyptorthis irregularis Cooper 1956
Glyptorthis irrupta Rubel 1962
Glyptorthis marilara Li and Copper 2006
Glyptorthis maritima Wright 1964
Glyptorthis obesa Cooper 1956
Glyptorthis papillosa Jin and Harper 2024
Glyptorthis plana Rõõmusoks 1964
Glyptorthis pulchra Wang 1949
Glyptorthis sarcina Zhan and Jin 2005
Glyptorthis senecta Cooper 1956
Glyptorthis splendens Cocks 2014
Glyptorthis squamata Rõõmusoks 1964
Glyptorthis sulcata Cooper 1956
Glyptorthis uncinata Cooper 1956
Glyptorthis uniformis Cooper 1956
+
Invalid names: Glyptorthis virginica Cooper 1956 [synonym]
Glyptorthis vidari Baarli 1995
Glyptorthis viriosa Williams 1974
+
Lomatorthis mimula Williams and Curry 1985
G. †Parisorthis Zhan and Jin 2005
+
Parisorthis dischidanteris Zhan and Jin 2005
G. †Spinorthis Wright 1964
+
Spinorthis geniculata Wright 1964
Fm. †Hesperonomiidae Ulrich and Cooper 1936
+
G. †Hesperonomia Ulrich and Cooper 1936
+
Hesperonomia antelopensis Ulrich and Cooper 1936
Hesperonomia crassa Ulrich and Cooper 1936
Hesperonomia nemea Hall and Whitfield 1877
Hesperonomia orientalis Benedetto 1998
Hesperonomia planidorsalis Ulrich and Cooper 1936
Hesperonomia subtransversa Ulrich and Cooper 1938
Hesperonomia uzunbulakensis Nikitina et al. 2006
+
Hesperonomiella arcuata Benedetto 2003
Hesperonomiella porcias Walcott 1924
Hesperonomiella uzunbulakensis Nikitina et al. 2006
Invalid names: Engenella [synonym]
G. †Mollesella Benedetto 2003
+
Mollesella planiventralis Benedetto 2003
G. †Monorthis
+
Monorthis menapiae Davidson 1868
Monorthis transversa Benedetto 2003
+
Protohesperonomia resupinata Williams and Curry 1985
G. †Treioria
+
Treioria chaulioda Neuman and Bates 1978
G. †Zhanorthis Popov and Cocks 2017
+
Zhanorthis gerdkuhensis Popov and Cocks 2017
Fm. †Hesperorthidae Schuchert and Cooper 1931
+
G. †Barbarorthis Opik 1934
+
Barbarorthis laurentina Billings 1857
Barbarorthis porkuniensis Oraspold 1959
G. †Dolerorthis Schuchert and Cooper 1931
+
Dolerorthis flabellites Foerste 1889
Dolerorthis intercostata de Sowerby and Murchison 1839
Dolerorthis interplicata Foerste 1909
Dolerorthis multicostellata Rong et al. 2013
Dolerorthis nadruvensis Paškevičius and Hints 2016
Dolerorthis plicata de Sowerby and Murchison 1839
Dolerorthis praeclara Temple 1968
Dolerorthis pristina Popov et al. 2002
Dolerorthis psygma Lamont and Gilbert 1945
Dolerorthis rankini Davidson 1883
Dolerorthis rustica Sowerby 1839
Dolerorthis savagei Amsden 1974
Dolerorthis sowerbyana Davidson 1871
Dolerorthis sowerbyiana Davidson 1869
Invalid names: Altaeorthis Severgina 1967 [synonym], Munhella Neuman 1971 [synonym]
G. †Flabellitesia Zhang 1989
+
Flabellitesia adaia Li and Copper 2006
Flabellitesia kessei Boucot et al. 1988
G. †Hesperorthis Schuchert and Cooper 1931
+
Hesperorthis australis Cooper 1956
Hesperorthis avalanchensis Jin and Chatterton 1997
Hesperorthis barbata Percival 1991
Hesperorthis biconvexa Stigall Rode 2005
Hesperorthis costalis Hall 1847
Hesperorthis davidsoni de Verneuil 1845
Hesperorthis dubia Cooper 1956
Hesperorthis gotlandica Schuchert and Cooper 1932
Hesperorthis ignicula Raymond 1905
Hesperorthis latecostata Rozman 1977
Hesperorthis laurentina Billings 1857
Hesperorthis leinsterensis Liljeroth et al. 2017
Hesperorthis martinssoni Bassett and Cocks 1974
Hesperorthis matutina Cooper 1956
Hesperorthis mucronata Oraspold 1959
Hesperorthis onniensis Whittard and Barker 1950
Hesperorthis pyramidalis Twenhofel 1928
Hesperorthis rae Oraspold 1956
Hesperorthis sulcata Cooper 1956
Hesperorthis tricenaria Conrad 1843
G. †Lordorthis Ross 1959
+
Lordorthis variabilis Ross 1959
G. †Ptychopleurella Schuchert and Cooper 1931
+
Ptychopleurella aleksandrovae Nikitin et al. 1996
Ptychopleurella angulaticostata Jin and Chatterton 1997
Ptychopleurella arthuri Pestana 1960
Ptychopleurella bouchardi Davidson 1847
Ptychopleurella decretoria Percival 1991
Ptychopleurella erecta Rubel 1962
Ptychopleurella kleinhamplei Ross and Barnes 1967
Ptychopleurella lamellosa Raymond 1905
Ptychopleurella lapworthi Davidson 1883
+
Invalid names: Glyptorthis biornata Reed 1945 [synonym]
Ptychopleurella lenzi Zhang 1989
Ptychopleurella multicostata Whittard and Barker 1950
Ptychopleurella pirguensis Rõõmusoks 1964
Ptychopleurella porcia Billings 1859
Ptychopleurella separata Wright 1964
Ptychopleurella sulcata Cooper 1956
+
Schizonema capillatum Temple 1970
Schizonema fissistriata Foerste 1912
Invalid names: Schizoramma Foerste 1912 [objective synonym]
Fm. †Lycophoriidae Schuchert and Cooper 1931
+
G. †Lycophoria Lahusen 1885
+
Lycophoria globosa Eichwald 1829
Lycophoria lamanskii Rubel 1961
Lycophoria longissima Pander 1830
Lycophoria nucella Dalman 1828
Fm. †Orthidae Woodward 1852
+
G. †Almadenorthis Reyes-Abril et al. 2010
+
Almadenorthis auriculata Reyes-Abril et al. 2010
G. †Bastamorthis Ghobadi Pour et al. 2011
+
Bastamorthis multicostata Ghobadi Pour et al. 2011
G. †Boreadorthis Opik 1934
+
Boreadorthis crassa Opik 1934
Boreadorthis recula Opik 1934
Boreadorthis sheehani Cocks 2014
+
Diochthofera conspicua Potter 1990
G. †Duolobella Rasmussen et al. 2012
+
Duolobella sandiae Rasmussen et al. 2012
G. †Gutiorthis Reyes-Abril et al. 2010
+
Gutiorthis incurvata Reyes-Abril et al. 2010
G. †Lenorthis Andreeva 1955
G. †Leoniorthis Egerquist 2003
+
Leoniorthis robusta Hints 2014
Leoniorthis rubeli Hints 2014
G. †Orthambonites Pander 1830
+
Orthambonites aequalis Pander 1830
Orthambonites angulatus Cooper 1956
+
Invalid names: Orthambonites lata Pander 1830 [synonym], Orthambonites rotunda Pander 1830 [synonym]
Orthambonites decipiens Phleger, Jr. 1933
Orthambonites exfoliata Raymond 1905
Orthambonites exopunctata Williams 1974
Orthambonites fundata Rubel 1961
Orthambonites novitas Opik 1939
Orthambonites paucicostatus Ulrich and Cooper 1938
Orthambonites proava Salter 1865
Orthambonites tuvensis Andreeva 1982
Subfm. †Orthinae Woodward 1852
+
G. †Krattorthis Jaanusson and Bassett 1993
G. †Sivorthis Jaanusson and Bassett 1993
G. †Turanorthis Nikitina et al. 2006
G. †Orthis Dalman 1828
+
Subg. †Orthis (Finkelnburgia) Walcott 1905
Subg. †Orthis (Orusia) Walcott 1905
Orthis acuminata Billings 1859
Orthis australis M'Coy 1847
Orthis berthoisi Davidson 1869
Orthis biforata Nicholson 1875
Orthis biloba Linnaeus 1758
Orthis bilobata Portlock 1843
Orthis callactis Dalman 1827
Orthis christianae Kjerulf 1865
Orthis cypha James 1874
Orthis davidsoni de Verneuil 1845
Orthis expansa de Sowerby and Murchison 1839
Orthis intercostata de Sowerby and Murchison 1839
Orthis kreklingensis Opik 1939
Orthis laticostata James 1871
Orthis perveta Conrad 1843
Orthis piger Billings 1859
Orthis reversa McCoy 1862
Orthis ribeiroi Sharpe 1853
Orthis spinigera M'Coy 1847
Orthis subalata Ulrich and Cooper 1938
Orthis testudinaria Dalman 1828
Orthis tulliensis Vanuxem 1842
G. †Palaeowingella Rasmussen et al. 2012
+
Palaeowingella farewellensis Rasmussen et al. 2012
G. †Paralenorthis Havlicek and Branisa 1980
+
Paralenorthis alabamensis Ulrich and Cooper 1938
Paralenorthis alata de Sowerby and Murchison 1839
+
Invalid names: Lenorthis carausii Davidson 1868 [synonym]
Paralenorthis buttsi Schuchert and Cooper 1932
Paralenorthis carlottoi Gutiérrez−Marco and Villas 2007
Paralenorthis costata Zhan et al. 2014
Paralenorthis estenaensis Reyes-Abril et al. 2010
Paralenorthis immitatrix Havlicek and Branisa 1980
Paralenorthis lolae Reyes-Abril et al. 2010
Paralenorthis luritjaorum Jakobsen et al. 2014
Paralenorthis marshalli Wilson 1926
Paralenorthis minusculus Phleger, Jr. 1933
Paralenorthis mollesensis Levy and Nullo 1973
Paralenorthis panderania Hall and Clarke 1892
Paralenorthis proava Salter 1865
Paralenorthis rgaitensis Nikitina 1985
Paralenorthis riojanus Levy and Nullo 1973
Paralenorthis robustus Neuman 1964
Paralenorthis semnanensis Popov et al. 2009
Paralenorthis serica Chang 1934
Paralenorthis suriensis Benedetto 2003
Invalid names: Orthis calligramma chinensis Chang 1934 [synonym]
G. †Rogorthis Hints 2014
+
Rogorthis pakriensis Rubel 1961
G. †Sinorthis
+
Invalid names: Yichangorthis [synonym]
G. †Sulevorthis Jaanusson and Bassett 1993
+
Sulevorthis bielsteini Cooper 1956
Sulevorthis blountensis Cooper 1956
Sulevorthis cessatus Williams 1963
Sulevorthis exopunctatus Williams 1974
Sulevorthis lyckholmiensis Wysogorski 1900
Sulevorthis playfairi Reed 1917
G. †Suriorthis Benedetto 2003
+
Suriorthis depressus Benedetto 2003
G. †Taphrorthis Cooper 1956
+
Taphrorthis aspera Williams 1962
Taphrorthis bellatrix Reed 1917
Taphrorthis emarginata Cooper 1956
Taphrorthis guizhouensis Xu and Liu 1984
+
Invalid names: Taphrorthis obesa Xu and Liu 1984 [synonym]
Taphrorthis immatura Williams and Curry 1985
Taphrorthis peculiaris Cooper 1956
G. †Trondorthis Neuman 1974
+
Trondorthis bifurcatus Cooper 1956
Trondorthis sibirica Rozman and Severgina 1983
Trondorthis strandi Neuman and Bruton 1974
Invalid names: Ocorthis [synonym]
Fm. †Orthidiellidae Ulrich and Cooper 1936
+
G. †Eostrophomena Walcott 1905
+
Eostrophomena elegantula Walcott 1905
G. †Orthidiella Ulrich and Cooper 1936
+
Orthidiella carinata Ulrich and Cooper 1938
Orthidiella costellata Cooper 1956
Orthidiella extensa Ulrich and Cooper 1938
Orthidiella longwelli Ulrich and Cooper 1938
G. †Orthidium Hall and Clarke 1892
+
Orthidium barnesi Ross 1970
Orthidium bellulum Ulrich and Cooper 1938
Orthidium gemmiculum Billings 1865
Orthidium lamellosa Raymond 1905
Orthidium lamellosum Raymond 1905
Orthidium prominens Benedetto et al. 2003
G. †Portranella Wright 1964
+
Portranella exornata Sharpe 1853
+
Trematorthis karasaiensis Nikitina et al. 2006
Trematorthis tenuis Cooper 1956
G. †Tuvinia Andreeva 1982
+
Tuvinia alakulica Nikitina et al. 2006
Tuvinia fasciculata Nikitina et al. 2006
Tuvinia radiata Andreeva 1982
Fm. †Plaesiomyidae Schuchert 1913
+
G. †Bokotorthis Popov et al. 2000
+
Bokotorthis abayi Klenina 1984
+
Invalid names: Bokotorthis distincta Klenina 1984 [synonym], Bokotorthis nikitini Klenina 1984 [synonym], Bokotorthis tschingisensis Klenina 1984 [synonym]
Bokotorthis kasachstanica Popov et al. 2000
Bokotorthis kasakhstanica Rukavishnikova 1956
Bokotorthis minuta Popov and Cocks 2014
Subfm. †Evenkininae Williams 1965
+
G. †Evenkina
Subfm. †Metorthinae Williams 1965
+
G. †Metorthis
Subfm. †Plaesiomyinae Schuchert 1913
+
G. †Austinella Foerste 1909
G. †Campylorthis Ulrich and Copper 1942
G. †Chaulistomella Cooper 1956
G. †Dinorthis Hall and Clarke 1892
G. †Madiorthis Zuykov and Harper 2008
G. †Plaesiomys Hall and Clarke 1892
+
Invalid names: Pionorthis Schuchert and Cooper 1932 [replaced]
G. †Retrorsirostra Schuchert and Cooper 1932
G. †Valcourea Raymond 1911
Fm. †Poramborthidae Havlicek 1950
+
Fm. †Productorthidae Schuchert and Cooper 1931
+
Subfm. †Glossorthinae Williams et al. 2000
+
G. †Glossorthis Öpik 1930
G. †Prantlina Havlíček 1949
Subfm. †Productorthinae Schuchert and Cooper 1931
+
G. †Ferrax
G. †Nicolella Reed 1917
G. †Panderina Schuchert and Cooper 1931
G. †Productorthis Kozlowski 1927
Fm. †Whittardiidae Williams 1974
+
Invalid names: Bajanorthis [nomen dubium], Malinella Andreeva 1982 [nomen dubium], Nugnecella [nomen dubium], Orthacea Woodward and Schuchert 1852 [replaced], Ottadalenites [nomen dubium], Skenidioidae Kozlowski 1929 [empty], Tarfayidae Popov et al. 2009 [empty], Turarella [nomen dubium], Zhejiangorthis [nomen dubium]
Superfm. †Plectorthoidea Schuchert and Le Vene 1929
+
Fm. †Chilcorthidae Benedetto 2015
+
G. †Chilcorthis Benedetto 2015
+
Chilcorthis huarpe Benedetto 2015
Chilcorthis mucronata Williams and Curry 1985
Fm. †Cremnorthidae Williams 1963
+
G. †Brandysia
G. †Cremnorthis Williams 1963
+
Cremnorthis parva Williams 1963
Invalid names: Cremnorthinae Williams 1963 [empty]
Fm. †Cyclocoeliidae Schuchert and Cooper 1931
+
Fm. †Eoorthidae Walcott 1908
+
G. †Apheoorthina Havlíček 1949
+
Apheoorthina daunus Walcott 1905
Apheoorthina ferrigena Havlíček 1949
G. †Apheoorthis Ulrich and Cooper 1936
+
Apheoorthis lineocostis Walcott 1924
Apheoorthis melita Hall and Whitfield 1877
Apheoorthis ocha Walcott 1924
Apheoorthis samensis Kobayashi 1937
Apheoorthis submelita Yadrenkina 1967
Apheoorthis suecica Tjernvik 1956
Apheoorthis vicina Walcott 1924
G. †Austrohedra Roberts and Jell 1990
+
Austrohedra mimica Roberts and Jell 1990
G. †Brahimorthis Havlícek 1971
+
Brahimorthis alvaroi Mergl and Zamora 2012
Brahimorthis antiqua Havlícek 1971
Brahimorthis pompeckiana Havlícek 1977
G. †Eoorthis Walcott 1908
+
Eoorthis indianola Walcott 1905
+
Invalid names: Eoorthis laeviusculus Walcott 1905 [synonym], Eoorthis wichitaensis Walcott 1905 [synonym]
Eoorthis newberryi Walcott 1908
Eoorthis remnicha Winchell 1886
+
Invalid names: Eoorthis texana Walcott 1912 [synonym]
Eoorthis sabus Walcott 1924
Eoorthis thyone Walcott 1908
Eoorthis zeno Walcott 1908
G. †Glaphyrorthis Roberts and Jell 1990
+
Glaphyrorthis fastigiata Roberts and Jell 1990
G. †Jivinella
+
Invalid names: Jevinellina [synonym]
G. †Ocnerorthis Bell 1941
+
Ocnerorthis cooperi Bell 1941
Ocnerorthis opius Walcott 1924
G. †Otusia Walcott 1905
+
Pompeckium argenteum Walcott 1905
Fm. †Euorthisinidae Havlicek 1977
+
+
Euorthisina nazarenensis Benedetto 2007
Euorthisina orthiformis Havlicek and Branisa 1980
G. †Lesserorthis Benedetto 2007
+
Lesserorthis havliceki Benedetto 2007
G. †Protorthisina Benedetto 2007
+
Protorthisina simplex Benedetto 2007
Fm. †Finkelnburgiidae Schuchert and Cooper 1931
+
G. †Diparelasma Ulrich and Cooper 1936
+
Diparelasma pogonipensis Hall and Whitfield 1877
Diparelasma typicum Ulrich and Cooper 1936
G. †Finkelnburgia Walcott 1905
+
Finkelnburgia cullisoni Ulrich and Cooper 1936
+
Invalid names: Fasciculina fasciculata Cooper 1952 [synonym], Finkelnburgia auriculata Cooper 1952 [synonym]
Finkelnburgia macleodi Whitfield 1889
Finkelnburgia missouriensis Ulrich and Cooper 1936
Finkelnburgia wemplei Cleland 1900
Invalid names: Marcharella [synonym]
G. †Guoleella Zhan et al. 2010
+
Guoleella lata Zhan et al. 2010
+
Notoscaphidia relevata Williams and Curry 1985
G. †Orusia Walcott 1905
+
Orusia lenticularis Wahlenberg 1821
Fm. †Giraldiellidae Williams et al. 2000
+
+
Comatopoma sororia Marek and Havlíček 1967
+
Famatinorthis ponderosus Cooper 1956
Famatinorthis turneri Levy and Nullo 1973
+
Gelidorthis carlsi Villas 1992
Gelidorthis meloui Villas 1985
Gelidorthis perisiberiaensis Rasmussen et al. 2012
G. †Giraldiella Williams 1951
+
Giraldiella giraldi Williams 1951
Giraldiella protensa de Sowerby 1839
+
Invalid names: Giraldiella lata de Sowerby 1839 [synonym]
Giraldiella subsilurica Marek and Havlíček 1967
G. †Kvania Havlicek 1994
+
Kvania azulpampensis Benedetto 2007
Kvania lariensis Benedetto 2007
Kvania mergli Benedetto 2007
Kvania primigenia Benedetto 2007
G. †Phaceloorthis Percival 1991
+
Phaceloorthis decoris Percival 1991
Phaceloorthis fasciculata Percival 1991
Phaceloorthis recondita Popov et al. 2000
Invalid names: Boonderella Percival 1991 [synonym]
G. †Scaphorthis Cooper 1956
+
Scaphorthis aulacis Percival 1979
Scaphorthis perplexa Cooper 1956
Scaphorthis sulcata Wright 1964
Scaphorthis virginiensis Cooper 1956
Fm. †Nanorthidae Havlicek 1977
+
G. †Gondwanorthis Benedetto and Muñoz 2017
+
Gondwanorthis bastamensis Ghobadi Pour et al. 2011
Gondwanorthis calderensis Benedetto 2007
G. †Lampazarorthis Benedetto and Muñoz 2017
+
Lampazarorthis bifurcata Harrington 1937
Lampazarorthis brachymyaria Benedetto and Carrasco 2002
G. †Notorthisina Havlicek and Branisa 1980
+
Notorthisina musculosa Villas et al. 2009
Notorthisina notoconcha Havlicek and Branisa 1980
G. †Shoshonorthis Jaanusson and Bassett 1993
+
Shoshonorthis ovata Pander 1830
Shoshonorthis perplexus Ross and Barnes 1967
Shoshonorthis swanensis Ulrich and Cooper 1938
Shoshonorthis tifletensis Havlicek 1971
Fm. †Phragmorthidae Williams 1965
+
G. †Phragmorthis Cooper 1956
+
Phragmorthis antiqua Ross, Jr. 1972
Phragmorthis buttsi Cooper 1956
Phragmorthis eximia Popov and Cocks 2014
Phragmorthis noda Hansen and Holmer 2011
Fm. †Platystrophiidae Schuchert 1929
+
G. †Acanthorthis Neuman 1976
+
G. †Ffynnonia Neuman and Bates 1978
+
Ffynnonia costata Bates 1968
Ffynnonia famatinensis Benedetto 2003
G. †Gnamptorhynchos Jin 1989
+
Gnamptorhynchos globatum Twenhofel 1928
+
Invalid names: Gnamptorhynchos inversum Jin 1989 [synonym]
Gnamptorhynchos manitobensis Jin and Zhan 2000
Gnamptorhynchos orbiculoidea Jin and Chatterton 1997
Gnamptorhynchos prayi Howe 1966
G. †Mcewanella Foerste 1920
+
Mcewanella dorsisulcata Wright 1964
Mcewanella vulcanica Villas et al. 1989
G. †Neoplatystrophia Zuykov and Harper 2007
+
Neoplatystrophia deani Cocks 2014
Neoplatystrophia humilis Oraspold 1959
Neoplatystrophia janniensis Zuykov and Harper 2007
Neoplatystrophia lutkevichi Alikhova 1951
Neoplatystrophia lynx Eichwald 1830
Neoplatystrophia ovalis Alikhova 1951
Neoplatystrophia saxbyensis Oraspold 1959
G. †Platystrophia King 1850
+
Platystrophia amoena McEwan 1919
Platystrophia anomala Hiller 1980
Platystrophia baltica Zuykov and Harper 2007
Platystrophia biforatus Schlotheim 1820
Platystrophia caelata Williams 1974
Platystrophia chama Eichwald 1861
Platystrophia colbiensis Foerste 1910
Platystrophia costata Pander 1830
Platystrophia costatus Pander 1830
Platystrophia crassa James 1874
Platystrophia crassoplicata Alichova 1951
Platystrophia cypha James 1874
Platystrophia dentata Pander 1830
Platystrophia elegantula McEwan 1919
Platystrophia extensa McEwan 1920
Platystrophia hongueda Li and Copper 2006
Platystrophia humilis Oraspold 1959
Platystrophia lutkevichi Alikhova 1951
Platystrophia orbiculata Oraspold 1959
Platystrophia pogrebovi Zuykov and Harper 2007
Platystrophia ponderosa Foerste 1909
Platystrophia quadriplicata Alikhova 1951
Platystrophia saxbyensis Oraspold 1959
Platystrophia scotica Williams 1962
Platystrophia tenuicosta d'Eichwald 1840
Platystrophia tenuicostata d'Eichwald 1840
Platystrophia tramorensis Liljeroth et al. 2017
G. †Salacorthis Williams 1974
+
Salacorthis costellata Williams 1979
G. †Siljanostrophia Zuykov and Egerquist 2005
+
Siljanostrophia camerata Twenhofel 1928
Siljanostrophia jaanussoni Zuykov and Egerquist 2005
G. †Vinlandostrophia Zuykov and Harper 2007
+
Vinlandostrophia annieana Foerste 1910
Vinlandostrophia cypha James 1874
Vinlandostrophia hopensis Foerste 1910
Vinlandostrophia juvenis McEwan 1919
Vinlandostrophia moritura Cumings 1908
Vinlandostrophia sublaticosa Zuykov and Harper 2007
Fm. †Plectorthidae Schuchert and Le Vene 1929
+
+
+
Invalid names: Apollonorthis lusitanica Mitchell 1974 [synonym]
G. †Ashinaorthis Popov and Cocks 2014
+
Ashinaorthis recta Klenina 1984
G. †Atlantida
G. †Desmorthis Ulrich and Cooper 1936
+
Desmorthis bifurcata Benedetto 2003
Desmorthis crassus Ross 1970
Desmorthis nevadensis Ulrich and Cooper 1936
Desmorthis planus Ross and Barnes 1967
Desmorthis segnis Havlicek and Branisa 1980
G. †Doleroides Cooper 1930
+
Doleroides germanus Steele and Sinclair 1971
Doleroides gibbosa Billings 1857
Doleroides mixticius Percival 1991
Doleroides panna Andreeva 1955
Doleroides tennesseensis Cooper 1956
Doleroides winchelli Cooper 1956
G. †Hebertella Hall and Clarke 1892
+
Subg. †Hebertella (Schizonema) Foerste 1909
Hebertella alveata Foerste 1909
Hebertella bursa Raymond 1928
Hebertella dinorthoides Laurie 1991
Hebertella estonica Rõõmusoks 1964
Hebertella maria Billings 1862
+
Invalid names: Hebertella latasulcata Foerste 1914 [synonym]
Hebertella parksensis Foerste 1909
Hebertella richmondensis Foerste 1909
Hebertella sinuata Hall 1847
Hebertella subjugata Hall 1847
G. †Irhirea
+
Irhirea gigantea Termier and Termier 1950
G. †Lipanorthis Benedetto and Carrasco 2002
+
Lipanorthis andinus Benedetto and Carrasco 2002
Lipanorthis santalaurae Benedetto and Carrasco 2002
G. †Mimella Cooper 1930
+
Mimella borealis Billings 1859
Mimella globosa Willard 1928
+
Invalid names: Mimella superba Butts 1942 [synonym]
Mimella globularis Cooper 1956
Mimella imperator Billings 1859
Mimella nucleoidea Cooper 1956
Mimella vulgaris Raymond 1911
Mimella zhejiangensis Liang 1983
Invalid names: Sonculina [synonym]
G. †Nanorthis Ulrich and Cooper 1936
+
Nanorthis carinata Laurie 1980
Nanorthis hamburgensis Walcott 1884
Nanorthis purmamarcaensis Benedetto and Carrasco 2002
Nanorthis putilla Walcott 1924
Invalid names: Evenkinorthis [synonym]
+
Oligorthis arbucklensis Ulrich and Cooper 1936
Subfm. †Orthostrophiinae Schuchert and Cooper 1931
+
G. †Giraldibella Havlícek 1977
G. †Paterorthis Havlicek 1971
+
Paterorthis paterina Havlíček 1971
Subfm. †Plectorthinae Schuchert and Le Vene 1929
+
G. †Kujanorthis Nikitina et al. 2006
G. †Plectorthis Hall and Clarke 1892
+
Orthis (Plectorthis) retroflexa de Verneuil 1830
Plectorthis altaicus Severgina 1967
Plectorthis australis Cooper 1956
Plectorthis burultasica Popov et al. 2002
Plectorthis cliefdenensis Percival 1991
Plectorthis exfoliata Raymond 1905
Plectorthis licta Popov and Cocks 2006
Plectorthis magna Cooper and Kindle 1936
Plectorthis mazourkaensis Phleger, Jr. 1933
Plectorthis obesa Cooper 1956
Plectorthis patula Phleger, Jr. 1933
Plectorthis ponderosa Cooper 1956
Plectorthis punctata Cooper 1956
Plectorthis scotica McCoy 1852
G. †Schizophorella Reed 1917
+
Schizophorella fallax Salter 1846
+
Severginella altaica Severgina 1960
Invalid names: Platystrophiinae Schuchert 1929 [empty], Platystrophinae Schuchert and Le Vene 1929 [empty]
Fm. †Ranorthidae Havlicek 1949
+
+
Eodalmanella extera Popov 1985
G. †Ranorthis Öpik 1939
+
Ranorthis carinata Rubel 1961
Ranorthis norvegica Öpik 1939
Ranorthis parvula Lamansky 1905
Ranorthis trivia Rubel 1961
Fm. †Rhactorthidae Williams 1963
+
G. †Aberia
+
Eripnifera praecipitis Potter 1990
G. †Rhactorthis Williams 1963
+
Rhactorthis crassa Williams 1963
Fm. †Tasmanorthidae Laurie 1991
+
G. †Tasmanorthis Laurie 1991
Fm. †Wangyuiidae Zhang 1989
+
Subfm. †Alpeisinae Popov and Cocks 2014
+
G. †Alpeis Popov and Cocks 2014
G. †Bowanorthis Percival 1991
+
Bowanorthis devexa Popov et al. 2002
Bowanorthis fragilis Percival 1991
G. †Sigmelasma Potter 1990
+
Sigmelasma pantherae Potter 1990
Sigmelasma peepi Hints 2012
G. †Toxorthis
+
Toxorthis proteus Temple 1968
G. †Wangyuia Zhang 1989
+
Subfm. †Wangyuiinae Zhang 1989
+
G. †Enbektenorthis Popov and Cocks 2014
Invalid names: Apatoskenidioides [nomen dubium], Lebediorthis [nomen dubium]
Superfm. †Triplesiacea Schuchert 1913
+
Fm. †Oxopleciidae Havlicek and Storch 1990
+
G. †Placocliftonia Havlicek and Storch 1990
+
Placocliftonia colibri Barrande 1848
Invalid names: Triplesidae Schuchert 1913 [empty]
G. †Yeosinella Reed 1933
Invalid names: Enteletacea Waagen 1884 [empty], Protorthacea Cooper 1976 [empty]
G. †Sphenorthis Grubbs 1939
Invalid names: Orthina Schuchert and Cooper 1932 [empty], Rhipidomellida Schuchert 1913 [replaced]
Diagnosis
No diagnoses are available