Classification of the family Plectorthidae

Fm. †Plectorthidae Schuchert and Le Vene 1929
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G. †Ashinaorthis Popov and Cocks 2014
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Ashinaorthis recta Klenina 1984
G. †Atlantida
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Desmorthis bifurcata Benedetto 2003
Desmorthis segnis Havlicek and Branisa 1980
G. †Doleroides Cooper 1930
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Doleroides germanus Steele and Sinclair 1971
Doleroides gibbosa Billings 1857
Doleroides mixticius Percival 1991
Doleroides panna Andreeva 1955
Doleroides ponderosus Cooper 1956
Doleroides tennesseensis Cooper 1956
Doleroides winchelli Cooper 1956
G. †Hebertella Hall and Clarke 1892
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Subg. †Hebertella (Schizonema) Foerste 1909
Hebertella dinorthoides Laurie 1991
Hebertella estonica Rõõmusoks 1964
Hebertella maria Billings 1862
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Invalid names: Hebertella latasulcata Foerste 1914 [synonym], Orthis subjugata Hall 1847 [synonym]
Hebertella parksensis Foerste 1909
Hebertella sinuata Hall 1847
G. †Irhirea
G. †Lipanorthis Benedetto and Carrasco 2002
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Lipanorthis andinus Benedetto and Carrasco 2002
Lipanorthis santalaurae Benedetto and Carrasco 2002
G. †Mimella Cooper 1930
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Mimella borealis Billings 1859
Mimella globosa Willard 1928
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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
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Nanorthis carinata Laurie 1980
Nanorthis hamburgensis Walcott 1884
Nanorthis purmamarcaensis Benedetto and Carrasco 2002
Nanorthis putilla Walcott 1924
Invalid names: Evenkinorthis [synonym]
Subfm. †Orthostrophiinae Schuchert and Cooper 1931
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G. †Giraldibella Havlícek 1977
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Giraldibella bella Bergström 1968
Giraldibella hyskovensis Havlícek 1977
Subfm. †Plectorthinae Schuchert and Le Vene 1929
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G. †Kujanorthis Nikitina et al. 2006
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Kujanorthis anderkensis Nikitina et al. 2006
G. †Plectorthis Hall and Clarke 1892
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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 mazourkaensis Phleger, Jr. 1933
Plectorthis patulus Phleger, Jr. 1933
Plectorthis punctata Cooper 1956
Plectorthis scotica McCoy 1852
G. †Schizophorella Reed 1917
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Schizophorella fallax Salter 1846
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Invalid names: Platystrophiinae Schuchert 1929 [empty], Platystrophinae Schuchert and Le Vene 1929 [empty]