Vertebrata Cuvier, 1812 - vertebrates
Gnathostomata
Teleostomi
Tetrapoda Goodrich, 1930
Amniota Haeckel, 1866 - amniotes
Class Reptilia Linnaeus, 1758 [paraphyletic] - reptiles
Subclass Diapsida Osborn, 1903 - diapsids
see Clade Diapsida Osborn 1903 [Laurin 1991]
Infraclass Archosauromorpha Huene, 1946
see Clade Archosauromorpha Huene 1946 [Gauthier, Kluge & Rowe 1988] {Laurin 1991}
Superorder Archosauria Cope, 1869 - archosaurs
see Clade Archosauria Cope 1869 [Gauthier & Padian 1985]
†Dinosauria Owen 1841
Order †Saurischia Seeley, 1887
see Clade Saurischia Seeley 1887 [Gauthier 1986]
Suborder †Staurikosauria Paul, 1988
Family †Herrerasauridae Benedetto, 1973