Vertebrata Cuvier, 1812 - vertebrates
Gnathostomata
Teleostomi
Tetrapoda Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988]
Class Amphibia Gray, 1825 [paraphyletic]
Subclass †Labyrinthodontia Meyer, 1842
see Class Amphibia Linnaeus, 1758
Order †Anthracosauria Säve-Söderbergh, 1934
Suborder †Seymouriamorpha Watson, 1917
see Order Seymouriamorpha Watson, 1917
Family †Kotlassiidae Romer, 1934
?Genus †Enosuchus Efremov, 1955