Full reference: E. H. Colbert. 1964. Relationships of the saurischian dinosaurs. American Museum Novitates 2181:1-24
Parent taxon: Saurischia according to P. Ellenberger 1972
See also Colbert 1964, Colbert 1970, Haubold 1974, Reig 1970 and Steel 1970
Sister taxa: Alwalkeria, Anticheiropus, Argoides, Aristosuchia, Avalonianus, Chindesaurus, Coelurosaurichnus, Daemonosaurus, Deuterotetrapous, Eodromaeus, Eusaurischia, Herrerasauridae, Nhandumirim, Pachypodosauria, Pachypodosauroidea, Parachirotherium, Platypterna, Plesiornis, Saltopus, Saurichnium, Saurischichnus, Sauropodomorpha, Streptospondylus recentior, Tawa, Thecospondylus, Theropoda, Trihamus, Trimabus
Subtaxa: Palaeosauria Staurikosauridae Teratosauria Thecodontosauria Trisauropodia
Ecology: