Classification of the family Hesperorthidae

Fm. †Hesperorthidae Schuchert and Cooper 1931
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G. †Barbarorthis Opik 1934
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Barbarorthis laurentina Billings 1857
Barbarorthis porkuniensis Oraspold 1959
G. †Dolerorthis Schuchert and Cooper 1931
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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
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Flabellitesia adaia Li and Copper 2006
Flabellitesia kessei Boucot et al. 1988
G. †Hesperorthis Schuchert and Cooper 1931
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Hesperorthis australis Cooper 1956
Hesperorthis avalanchensis Jin and Chatterton 1997
Hesperorthis barbata Percival 1991
Hesperorthis costalis Hall 1847
Hesperorthis davidsoni deVerneuil 1848
Hesperorthis gotlandica Schuchert and Cooper 1932
Hesperorthis ignicula Raymond 1905
Hesperorthis leinsterensis Liljeroth et al. 2017
Hesperorthis martinssoni Bassett and Cocks 1974
Hesperorthis mucronata Oraspold 1959
Hesperorthis onniensis Whittard and Barker 1950
Hesperorthis pyramidalis deVerneuil 1848
Hesperorthis rae Oraspold 1956
Hesperorthis tricenaria Conrad 1843
G. †Lordorthis Ross 1959
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Lordorthis variabilis Ross 1959
G. †Ptychopleurella Schuchert and Cooper 1931
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Ptychopleurella aleksandrovae Nikitin et al. 1996
Ptychopleurella angulaticostata Jin and Chatterton 1997
Ptychopleurella bouchardi Davidson 1847
Ptychopleurella decretoria Percival 1991
Ptychopleurella erecta Rubel 1962
Ptychopleurella lamellosa Raymond 1905
Ptychopleurella lapworthi Davidson 1883
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Invalid names: Glyptorthis biornata Cowper 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
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Schizonema capillatum Temple 1970
Schizonema fissistriata Foerste 1912
Invalid names: Schizoramma Foerste 1912 [objective synonym]