Parent taxon: Theropoda according to H. F. Osborn 1904
See also Cope 1867, Cope 1870, Cope 1871, Cope 1875, Matthew 1915, Seeley 1879, Steel 1970 and Zittel 1890
Sister taxa: Ageroolithus, Allosauroidea, Allosaurus sibiricus, Altispinax, Anchisauripodidae, Archaeornithoididae, Avalonia, Avipoda, Boutakioutichnium, Bradycnemidae, Byakudansauropus, Calamospondylus, Carmelopodus, Chindesaurus, Coeluroidae, Coeluroidea, Compsognatha, Corpulentapus, Daemonosaurus, Deinocheirosauria, Deinodontia, Dilophosaurus, Dispersituberoolithus, Elaphrosaurus iguidiensis, Elongatoolithidae, Embasaurus, Eodromaeus, Erythrovenator, Eubrontes titanopelobatidus, Eubrontidae, Eutynichnium, Fenestrosaurus, Filichnites, Fuscinapedis, Gigandipodidae, Grallatoridae, Gypsichnites, Hadrosaurichnus, Halticosaurus, Herrerasauridae, Himeoolithus, Hispanosauropus, Hunanpus, Iberosauripus, Iranosauripus, Irenesauripus, Itsukisauropus, Jialingpus, Kakuru, Kakuru kujani, Kalohipus, Kayentapus, Kuwajimasauropus, Laevisoolithidae, Massospondylus rawesi, Megalosauropus, Megalosaurus cloacinus, Megalosaurus hungaricus, Megalosaurus insignis, Megalosaurus lydekkeri, Megalosaurus obtusus, Megalosaurus pombali, Moraesichnium, Neotheropoda, Nipponoolithus, Oblongoolithidae, Orcauichnites, Ordexallopus, Ornithoides, Ornithopodichnites, Ostafrikasaurus, Ostendichnus, Ovoraptor, Ozraptor, Paleotheropoda, Parachirotheriidae, Paracorpulentapus, Paragrallator, Picunichnus, Plectropus, Poekilopleuron schmidti, Protoavis, Prototrisauropodiscus, Reticuloolithus, Salfitichnus, Sarmientichnus, Saurocephalus monasterii, Sauropodidae, Segisauridae, Selenichnidae, Selenichnus, Shuangbaisaurus, Siamopodus, Sigilmassasauridae, Sinosaurus, Spinosauria, Stillatuberoolithus, Szechuanosaurus, Tawa, Tetanurae, Therangospodus, Triprismatoolithus, Trisauropodiscidae, Tristraguloolithus, Tubercuoolithus, Unenlagiidae, Vitakrisauria, Wakinosaurus, Wakinyantanka, Walgettosuchus, Wildeichnus, Xiangxipus, Yangtzepus, Yaverlandia, Zanclodon cambrensis, Zanclodon silesiacus, Zanclodontoidae, Zhengichnus, Zhengichnus jinningensis
Subtaxa: Ornithotarsidae
Ecology: ground dwelling carnivore
Distribution: there are no occurrences of Symphypoda in the database