[Tetrapoda] Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988]
Count: -
Amniota Haeckel, 1866 [Gauthier, Kluge & Rowe 1988] - amniotes
Count: -
Reptilia Linnaeus 1758 [Gauthier, Kluge & Rowe 1988], nom. cl. inval.
see Class Reptilia Linnaeus, 1758
Count: -
Eureptilia Olson, 1947
Count: -
Romeriida Gauthier, Kluge & Rowe, 1988
Count: -
Diapsida Osborn 1903 [Laurin 1991]
see Clade Diapsida Osborn 1903 [Gauthier & de Queiroz 2020]
Count: -
Eosuchia Broom 1914 [Laurin 1991]
Count: -
Neodiapsida Benton 1985
Count: -
Sauria McCartney 1802 [Gauthier, Kluge & Rowe 1988], nom. cl. inval.
see Clade Sauria Macartney 1802 [Gauthier & de Queiroz 2020]
Count: -
Lepidosauria Haeckel 1866 [Gauthier, Estes & de Queiroz 1988], nom. cl. inval.
see Class Lepidosauria Haeckel, 1866
Count: -