PaleoDB taxon number: 68130
Full reference: G. Olshevsky. 1991. A revision of the parainfraclass Archosauria Cope, 1869, excluding the advanced Crocodylia. Mesozoic Meanderings 2:1-196
Parent taxon: Tetanurae according to M. T. Carrano et al. 2012
Sister taxa: Allosaurus medius, Allosaurus tendagurensis, Altispinax, Avetheropoda, Caudocoelus, Chienkosaurus, Chilesaurus, Chuandongocoelurus, Creosaurus potens, Cruxicheiros, Cryolophosaurus, Dandakosaurus, Eustreptospondylidae, Gasosaurus, Inosaurus, Kaijiangosaurus, Kayentavenator, Megalosaurus ingens, Megalosaurus pannoniensis, Neotetanurae, Orionides, Pandoravenator, Phaedrolosaurus, Prodeinodon, Sinocoelurus, Spinosauroidea, Streptospondylus cuvieri, Teinurosaurus, Torvosauroidea
Subtaxa: Becklespinax altispinax
Ecology: ground dwelling carnivore