Tetrapoda Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988] Count: - Amniota Haeckel, 1866 [Gauthier, Kluge & Rowe 1988] - amniotes Count: - Eureptilia Olson, 1947 Count: - Diapsida Osborn 1903 [Laurin 1991] see Clade Diapsida Osborn 1903 [Gauthier & de Queiroz 2020] Count: - Neodiapsida Benton 1985 Count: - Archosauromorpha Huene 1946 [Benton 1985], nom. cl. inval. see Clade Archosauromorpha von Huene 1946 [Gauthier 2020] Count: - Archosauria Cope, 1869 Count: - Genus †Proterosuchus Broom, 1903 Count: -