Tetrapoda Goodrich, 1930 Amniota Haeckel, 1866 - amniotes Eureptilia Olson, 1947 Diapsida Osborn 1903 [Laurin 1991] Neodiapsida Benton 1985 [Laurin 1991] see Clade Neodiapsida Benton 1985 [Laurin 1991] {Reisz, Modesto & Scott 2011} Archosauromorpha Huene 1946 [Gauthier, Kluge & Rowe 1988] {Laurin 1991} Archosauria Cope, 1869 Avesuchia Benton, 1999 Avemetatarsalia Benton 1999 Ornithodira Gauthier 1986 Dinosauromorpha Benton 1985 Dinosauriformes Novas 1992 Dinosauria Owen 1841 Saurischia Seeley 1887 [Gauthier 1986] Eusaurischia Padian et al., 1999 Theropoda Marsh 1881 [Gauthier 1986], nom. cl. inval. 1 †Ceratosauria Marsh 1895 [Rowe & Gauthier 1990] 2 Tetanurae Gauthier 1986 [Gauthier 1986]