Classification of Carroll et al. 1972

Unr. Anthracosauria Säve-Söderbergh 1934
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Subor. †Diplomeri Romer 1964
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Invalid names: Diplovertebrontidae [empty]
Subor. †Embolomeri
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Fm. †Anthracosauridae Cope 1875
Fm. †Cricotidae Cope 1884
Subor. †Gephyrostegida
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Fm. †Gephyrostegidae Jaekel 1909
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G. †Eusauropleura Romer 1930
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G. †Gephyrostegus Jaekel 1902
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†Gephyrostegus bohemicus Jaekel 1902
Subor. †Seymouriamorpha Watson 1917
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G. †Adenoderma Fritsch 1901
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†Adenoderma gracilis Fritsch 1901
Fm. †Discosauriscidae Romer 1947
G. †Hesperoherpeton Peabody 1958
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Superfm. †Kotlassioidea Vjuschkov 1957
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Fm. †Bystrowianidae Vjushkov 1957
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G. †Bystrowiana Vjuschkov 1957
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†Bystrowiana permica Vjushkov 1957
Fm. †Kotlassidae Romer 1933
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G. †Buzulukia Vjuschkov 1957
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†Buzulukia butsuri Vjuschkov 1957
Superfm. †Seymourioidea Tatarinov 1971
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Fm. †Seymouriidae Williston 1911
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G. †Desmospondylus Williston 1910
G. †Gnorhimosuchus Efremov 1951
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†Gnorhimosuchus satpaevi Efremov 1951
G. †Nyctiboetus Chudinov 1955
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†Nyctiboetus liteus Chudinov 1955
G. †Rhinosauriscus Kuhn 1963
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†Rhinosauriscus jasykovii Fischer 1847
G. †Seymouria Broili 1904
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†Seymouria baylorensis Broili 1904
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Invalid names: Desmospondylus anomalus Williston 1910 [synonym]
†Seymouria sanjuanensis Vaughn 1966
Invalid names: Discosauridae Jaekel 1907 [empty]
Invalid names: Chronisuchidae [empty]
Invalid names: Anthracosaurida [synonym], Batrachosauria Efremov 1946 [synonym], Gephyrostegoidea [empty], Schizomeri Romer 1964 [empty], Seymouriamorphoidea [empty]
Or. Cotylosauria Cope 1880
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Invalid names: Solenodonsauridae Broili 1924 [empty]
Unr. Batrachosauria Efremov 1946
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G. †Enosuchus Konzhukova 1955
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†Enosuchus breviceps Konzhukova 1955
G. †Macromerion Fritsch 1879
Subor. †Diadectosauria Case 1911
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Fm. †Diadectidae Cope 1880
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G. †Desmatodon Case 1908
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†Desmatodon hollandi Case 1908
G. †Diadectes Cope 1878
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†Diadectes alatus Cope 1878
†Diadectes cretin Case 1911
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Invalid names: Diadectoides cretin Case 1911 [synonym]
†Diadectes fissus Cope 1883
†Diadectes huenei Broom 1914
†Diadectes lentus Marsh 1878
†Diadectes maximus Case 1910
†Diadectes molaris Cope 1878
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Invalid names: Empedocles molaris Cope 1878 [synonym]
†Diadectes phaseolinus Cope 1880
†Diadectes rapidens Cope 1878
†Diadectes tenuitectus Cope 1896
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Invalid names: Bolbodon tenuitectus Cope 1896 [synonym]
G. †Diasparactus Case 1910
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†Diasparactus zenos Case 1910
G. †Phanerosaurus Meyer 1860
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†Phanerosaurus naumanni Meyer 1860
G. †Sphenosaurus Meyer 1847
G. †Stephanospondylus Stappenbeck 1905
Invalid names: Nothodontidae Marsh 1878 [synonym]
Unr. †Seymouriamorpha Watson 1917
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Unr. †Waggonerida
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Fm. †Waggoneriidae Olson 1951
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G. †Helodectes Cope 1880
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†Helodectes isaaci Cope 1880
†Helodectes paridens Cope 1880
G. †Waggoneria Olson 1951
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†Waggoneria knoxensis Olson 1951