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] Neodiapsida Benton 1985 Archosauromorpha Huene 1946 [Benton 1985], nom. cl. inval. see Clade Archosauromorpha von Huene 1946 [Gauthier 2020] Archosauria Cope, 1869 Avesuchia Benton, 1999 see Clade Archosauria Cope 1869 [Gauthier & Padian 1985], nom. cl. inval. Crurotarsi Sereno & Arcucci 1990 Suchia Krebs 1974 [Sereno 1991] †Stagonolepididae Lydekker, 1887 - aetosaurs