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]
         1 †Araeoscelidia Williston 1913 [Laurin 1991] see Order Araeoscelidia Williston, 1913
         2 Neodiapsida Benton 1985