Classification of Gauthier et al. 1988
Unr. Tetrapoda Jaekel 1911 [tetrapod]
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Cl. Amphibia Linnaeus 1758
Unr. Anthracosauria Säve-Söderbergh 1934
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Superfm. †Anthracosauroidea Cope 1872
Unr. Batrachosauria Efremov 1946
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Subor. †Seymouriamorpha Watson 1917
G. †Solenodonsaurus Broili 1924
Subor. Cotylosauria Cope 1880
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Cl. Amniota Haeckel 1866 [amniote]
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Subcl. †Parareptilia Lawrence 1868 [parareptile]
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Fm. †Millerettidae Romer 1956
Subor. †Pareiasauria Seeley 1888
Unr. †Procolophonia Seeley 1888