Full reference: R. N. Alonso. 1980. Icnitas de dinosaurios (Ornithopoda, Hadrosauridae) en el Cretácico superior del norte de Argentina[Dinosaurian ichnites (Ornithopoda, Hadrosauridae) in the Late Cretaceous of northern Argentina]. Acta Geologica Lilloana 15(2):55-63
Parent taxon: Theropoda according to M. G. Lockley et al. 2003
Sister taxa: Ageroolithus, Anchisauripodidae, Archaeornithoididae, Asianopodus, Avipoda, Boutakioutichnium, Bueckeburgichnus, Byakudansauropus, Carmelopodus, Coeluridae, Coelurosauroidea, Compsognatha, Corpulentapus, Daemonosaurus, Deinocheirosauria, Elongatoolithidae, Eodromaeus, Eoraptor, Eubrontidae, Fenestrosaurus, Fuscinapedis, Gigandipodidae, Grallatoridae, Herrerasauridae, Iranosauripus, Itsukisauropus, Jialingpus, Kalohipus, Kayentapus, Kuwajimasauropus, Laevisoolithidae, Megalosauropus, Minisauripus, Neotheropoda, Neotrisauropus, Ornithoides, Ovoraptor, Paleotheropoda, Parachirotheriidae, Paragrallator, Picunichnus, Plectropus, Protoavis, Reticuloolithus, Sarmientichnus, Saurexallopus, Sauropodidae, Selenichnidae, Selenichnus, Siamopodus, Sigilmassasauridae, Sinosaurus, Skartopus, Spinosauria, Subtiliolithidae, Tawa, Therangospodus, Triprismatoolithus, Tubercuoolithus, Unenlagiidae, Wildeichnus, Yangtzepus, Yaverlandia, Zanclodontidae, Szechuanosaurus yandonensis
Subtaxa: Hadrosaurichnus australis, Hadrosaurichnus titicacaensis
Ecology: ground dwelling carnivore