PaleoDB taxon number: 192928
Full reference: S. Chatterjee. 1991. Cranial anatomy and relationships of a new Triassic bird from Texas. Philosophical Transactions of the Royal Society of London B 332:277-342
Parent taxon: Theropoda according to S. J. Nesbitt et al. 2007
Sister taxa: Ageroolithus, Allosaurus sibiricus, Anchisauripodidae, Archaeornithoididae, Asianopodus, Avalonia, Avipoda, Boutakioutichnium, Bradycnemidae, Byakudansauropus, Calamospondylus, Carmelopodus, Chindesaurus, Coeluroidae, Coeluroidea, Compsognatha, Corpulentapus, Daemonosaurus, Deinocheirosauria, Deinodontia, Dispersituberoolithus, Elongatoolithidae, Embasaurus, Eodromaeus, Eubrontes titanopelobatidus, Eubrontidae, Fenestrosaurus, Fuscinapedis, Gigandipodidae, Grallatoridae, Gypsichnites, Hadrosaurichnus, Halticosaurus, Herrerasauridae, Hispanosauropus, Iranosauripus, Itsukisauropus, Jialingpus, Kakuru, Kakuru kujani, Kalohipus, Kayentapus, Kuwajimasauropus, Laevisoolithidae, Massospondylus rawesi, Megalosauropus, Megalosaurus cloacinus, Megalosaurus dunkeri, Megalosaurus hungaricus, Megalosaurus insignis, Megalosaurus lydekkeri, Megalosaurus obtusus, Megalosaurus pombali, Minisauripus, Neotheropoda, Nipponoolithus, Oblongoolithidae, Orcauichnites, Ornithoides, Ornithopodichnites, Ovoraptor, Ozraptor, Paleotheropoda, Parachirotheriidae, Paracorpulentapus, Paragrallator, Picunichnus, Plectropus, Poekilopleuron schmidti, Reticuloolithus, Sarmientichnus, Saurocephalus monasterii, Sauropodidae, Segisauridae, Selenichnidae, Selenichnus, Shuangbaisaurus, Siamopodus, Sigilmassasauridae, Sinosaurus, Skartopus, Spinosauria, Symphypoda, Szechuanosaurus, Tawa, Therangospodus, Triprismatoolithus, Trisauropodiscidae, Tristraguloolithus, Tubercuoolithus, Tuojiangpus, Unenlagiidae, Wakinosaurus, Walgettosuchus, Wildeichnus, Yangtzepus, Yaverlandia, Zanclodon cambrensis, Zanclodon silesiacus, Zanclodontoidae, Zhengichnus jinningensis
Subtaxa: Protoavis texensis
Type: Protoavis texensis
Ecology: ground dwelling carnivore