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
See also Calvo et al. 2007
Sister taxa: Anomoepodidae, Bonaparteichnium, Brachypoda, Burianosaurus, Camptosaurichnus, Camptosauropus, Convolosaurus, Dakotasaurus, Diluvicursor, Dinosauropodes, Dolichopoda, Euornithopoda, Fabrosauria, Gideonmantellia, Gilmoreosaurus arkhangelskyi, Goseongosauripus, Hypsiloichnus, Hypsilophodon wielandi, Iguanodontia, Iguanodontipodidae, Jiayinosauropus, Kalodontoidea, Laosaurus, Laosaurus celer, Laosaurus minimus, Morrosaurus, Moyenisauropodidae, Ornithopoidea, Othnielia, Phyllodon, Psilotrisauropus, Siluosaurus, Taponichnus, Telosichnus, Tetrapodosauridae, Trachodontoidea, Unespichnium, Walmadanyichnus, Weewarrasaurus, Wintonopus
Subtaxa: Anabisetia Atlascopcosaurus Gasparinisaura Macrogryphosaurus Qantassaurus Talenkauen Trinisaura
Ecology: ground dwelling herbivore
Distribution:
• Cretaceous of Antarctica (1 collection), Argentina (7), Australia (5)
Total: 13 collections each including a single occurrence