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: Iguanodontia according to P.-E. Dieudonné et al. 2020
See also Calvo et al. 2007, Herne et al. 2019, Madzia et al. 2018, Moyano-Paz et al. 2022, Novas et al. 2019 and Rozadilla et al. 2019
Sister taxa: Albisaurus, Albisaurus scutifer, Anoplosaurus major, Bihariosaurus, Camptosauroidea, Choyrodon, Convolosaurus, Dryomorpha, Eucercosaurus, Eucercosaurus tanyspondylus, Euiguanodontia, Fulgurotherium, Iguanodon ottingeri, Iguanodontoidea, Iyuku, Loncosaurus, Mantellisaurus, Osmakasaurus, Planicoxa, Rhabdodontomorpha, Sektensaurus, Sphenospondylus, Syngonosaurus, Syngonosaurus macrocercus, Tenontosaurus, Tichosteus, Vectisaurus, Yueosaurus
Subtaxa: Anabisetia Atlascopcosaurus Chakisaurus Diluvicursor Galleonosaurus Isasicursor Kangnasaurus Leaellynasaura Macrogryphosaurus Mahuidacursor Morrosaurus Talenkauen Tietasaura Trinisaura
Ecology: ground dwelling herbivore
Distribution:
• Cretaceous of Antarctica (2 collections), Argentina (13), Australia (7), Brazil (1), South Africa (1)
Total: 24 collections including 32 occurrences