Tetrapoda Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988] Amniota Haeckel, 1866 [Gauthier, Kluge & Rowe 1988] - amniotes Eureptilia Olson, 1947 Diapsida Osborn 1903 [Laurin 1991] see Clade Diapsida Osborn 1903 [Gauthier & de Queiroz 2020] †Araeoscelidia Williston 1913 [Laurin 1991] see Order Araeoscelidia Williston, 1913