PaleoDB taxon number: 122465
Full reference: J. O. Calvo, J. D. Porfiri, and F. E. Novas. 2007. Discovery of a new ornithopod dinosaur from the Portezuelo Formation (Upper Cretaceous), Neuquén, Patagonia, Argentina. Arquivos do Museu Nacional, Rio de Janeiro 65(4):471-483
Parent taxon: Ornithopoda according to D. Madzia et al. 2018
Sister taxa: Anomoepodidae, Bonaparteichnium, Brachypoda, Burianosaurus, Camptosaurichnus, Caririchnium, Dakotasaurus, Diluvicursor, Dinehichnus, Dinosauropodes, Dolichopoda, Euornithopoda, Fabrosauria, Gideonmantellia, Gigantoshiraminesauropus, Gilmoreosaurus arkhangelskyi, Hypsiloichnus, Hypsilophodon wielandi, Iguanodontia, Iguanodontipus, Jiayinosauropus, Kalodontoidea, Laosauridae, Laosaurus, Laosaurus celer, Laosaurus minimus, Morrosaurus, Moyenisauropodidae, Ornithopodichnites, Ornithopoidea, Othnielia, Ovaloolithidae, Phyllodon, Psilotrisauropus, Shiraminesauropus, Siluosaurus, Staurichnium, Tetrapodosauridae, Trachodontoidea, Unespichnium, Walmadanyichnus, Wintonopus, Kalodontidae
Subtaxa: Anabisetia, Atlascopcosaurus, Gasparinisaura, Macrogryphosaurus, Qantassaurus, Talenkauen, Trinisaura
Ecology: ground dwelling herbivore