Classification of the suborder Eupelycosauria

Subor. †Eupelycosauria Kemp 1982
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Fm. †Edaphosauridae Cope 1882
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G. †Bohemiclavulus Spindler et al. 2019
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†Bohemiclavulus mirabilis Fritsch 1895
G. †Edaphosaurus Cope 1882
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†Edaphosaurus boanerges Romer and Price 1940
†Edaphosaurus claviger Cope 1886
†Edaphosaurus colohistion Berman 1979
†Edaphosaurus credneri Jaekel 1910
†Edaphosaurus cruciger Cope 1878
†Edaphosaurus microdus Cope 1884
†Edaphosaurus novomexicanus Williston and Case 1913
†Edaphosaurus pogonias Cope 1882
Invalid names: Naosaurus Cope 1886 [synonym]
G. †Glaucosaurus Williston 1915
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†Glaucosaurus megalops Williston 1915
G. †Gordodon Lucas et al. 2018
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†Gordodon kraineri Lucas et al. 2018
G. †Ianthasaurus Reisz and Berman 1986
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†Ianthasaurus hardestiorum Reisz and Berman 1986
G. †Ramodendron Švestka 1943
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†Ramodendron obvispinosum Švestka 1943
G. †Remigiomontanus Spindler et al. 2019
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†Remigiomontanus robustus Spindler et al. 2019
Invalid names: Naosauridae Case 1907 [synonym], Naosaurus raymondi Case 1908 [nomen vanum]
Unr. †Haptodontiformes Spindler 2015
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G. †Eohaptodus Spindler 2015
G. †Haptodus Gaudry 1886
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†Haptodus baylei Gaudry 1886
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Invalid names: Palaeohatteria longicaudata Credner 1888 [synonym], Pantelosaurus saxonicus v. Huene 1925 [synonym]
†Haptodus garnettensis Currie 1977
G. †Hypselohaptodus Spindler 2015
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G. †Kenomagnathus Spindler 2020
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†Kenomagnathus scotti Spindler 2020
G. †Tenuacaptor Spindler 2015
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†Tenuacaptor reiszi Spindler 2015
Fm. †Ophiacodontidae Nopsca 1923 [ophiacodont]
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G. †Archaeothyris Reisz 1972
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G. †Baldwinonus Romer and Price 1940
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†Baldwinonus trux Romer and Price 1940
G. †Clepsydrops Cope 1875
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†Clepsydrops collettii Cope 1875
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Invalid names: Archaeobelus vellicatus Cope 1877 [synonym], Clepsydrops pedunculatus Cope 1877 [synonym]
†Clepsydrops magnus Romer 1961
†Clepsydrops vinslovii Cope 1877
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Invalid names: Captorhinus illinoisensis Williston 1911 [synonym]
Invalid names: Archaeobelus Cope 1877 [synonym]
G. †Diopeus Cope 1892
G. †Elcabrosaurus Case 1907
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G. †Ophiacodon Marsh 1878
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†Ophiacodon hilli Romer 1925
†Ophiacodon major Romer and Price 1940
†Ophiacodon mirus Marsh 1878
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Invalid names: Clepsydrops leptocephalus Cope 1884 [synonym], Theropleura triangulata Cope 1878 [synonym], Therosaurus watsoni von Huene 1925 [synonym]
†Ophiacodon uniformis Cope 1878
Invalid names: Poliosaurus Case 1907 [synonym], Theropleura Cope 1878 [synonym], Winfieldia Romer 1925 [synonym]
G. †Stereophallodon Romer 1937
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G. †Stereorhachis Gaudry 1880
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†Stereorhachis dominans Gaudry 1880
G. †Varanosaurus Broili 1904
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Invalid names: Poecilospondylus francisi Case 1910 [synonym]
Invalid names: Poecilospondylus Case 1910 [synonym]
Invalid names: Clepsydropidae Cope 1878 [synonym], Poliosauridae Case 1907 [synonym]
Unr. †Sphenacomorpha Ivakhnenko 2003
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Subor. †Sphenacodontia Romer and Price 1940
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G. †Cutleria Lewis and Vaughn 1965
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†Cutleria wilmarthi Lewis and Vaughn 1965
Fm. †Homodontosauridae Kuhn 1961
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G. †Homodontosaurus Broom 1949
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G. †Ianthodon Kissel and Reisz 2004
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†Ianthodon schultzei Kissel and Reisz 2004
G. †Palaeohatteria Credner 1888
G. †Pantelosaurus v. Huene 1925
G. †Shashajaia Huttenlocker et al. 2021
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†Shashajaia bermani Huttenlocker et al. 2021
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Fm. †Sphenacodontidae Marsh 1878
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G. †Cryptovenator Fröbisch et al. 2011
G. †Ctenorhachis Hook and Hotton 1991
Subfm. †Secodontosaurinae Romer and Price 1940
Subfm. †Sphenacodontinae Romer 1936
Invalid names: Dimetrodon kempae Romer 1937 [nomen dubium], Eosyodon Olson 1962 [nomen dubium], Eosyodon hudsoni Olson 1962 [nomen dubium], Palaeohatteriidae Baur 1889 [synonym], Pantelosauridae Huene 1925 [synonym], Varanopsinae Romer 1936 [empty]
Fm. †Tappenosauridae Olson and Beerbower 1953
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G. †Tappenosaurus Olson and Beerbower 1953
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†Tappenosaurus magnus Olson and Beerbower 1953
Invalid names: Anningiidae Broom 1927 [empty], Haptodontinae Romer and Price 1940 [empty]
Fm. †Varanopidae Romer and Price 1940
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G. †Apsisaurus Laurin 1991
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†Apsisaurus witteri Laurin 1991
G. †Archaeovenator Reisz and Dilkes 2003
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†Archaeovenator hamiltonensis Reisz and Dilkes 2003
G. †Ascendonanus Spindler et al. 2018
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†Ascendonanus nestleri Spindler et al. 2018
G. †Dendromaia Maddin et al. 2020
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†Dendromaia unamakiensis Maddin et al. 2020
Unr. †Neovaranopsia Spindler et al. 2018
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Subfm. †Mesenosaurinae Spindler et al. 2018
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Unr. †Afrothyra Spindler et al. 2018
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G. †Anningia Broom 1927
G. †Elliotsmithia Broom 1937
G. †Heleosaurus Broom 1907
G. †Microvaranops Spindler et al. 2018
G. †Cabarzia Spindler et al. 2019
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†Cabarzia trostheidi Spindler et al. 2019
G. †Mesenosaurus Efremov 1938
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†Mesenosaurus efremovi Maho et al. 2019
†Mesenosaurus romeri Efremov 1938
Subfm. †Varanodontinae Modesto et al. 2001
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G. †Aerosaurus Romer 1937
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†Aerosaurus wellesi Langston and Reisz 1981
G. †Mycterosaurus Williston 1915
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†Mycterosaurus longiceps Williston 1915
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Invalid names: Basicranodon fortsillensis Vaughn 1958 [synonym], Eumatthevia bolli Broom 1930 [synonym]
Invalid names: Basicranodon Vaughn 1958 [synonym], Eumatthevia Broom 1930 [synonym]
G. †Ruthiromia Eberth and Brinkman 1983
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†Ruthiromia elcobriensis Eberth and Brinkman 1983
G. †Tambacarnifex Berman et al. 2014
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†Tambacarnifex unguifalcatus Berman et al. 2014
G. †Varanodon Olson 1965
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†Varanodon agilis Olson 1965
G. †Varanops Williston 1914
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†Varanops brevirostris Williston 1911
G. †Watongia Olson 1974
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†Watongia meieri Olson 1974
G. †Pyozia Anderson and Reisz 2004
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†Pyozia mesenensis Anderson and Reisz 2004
Invalid names: Elliotsmithidae Broom 1937 [synonym], Mycterosaurinae Modesto et al. 2001 [empty], Thrausmosaurus Fox 1962 [invalid subgroup], Thrausmosaurus serratidens Fox 1962 [nomen dubium]