Full reference: C. M. Brown, D. C. Evans, M. J. Ryan and A. P. Russell. 2013. New data on the diversity and abundance of small-bodied ornithopods (Dinosauria, Ornithischia) from the Belly River Group (Campanian) of Alberta. Journal of Vertebrate Paleontology 33(3):495-520
Parent taxon: Ornithopoda according to P.-E. Dieudonné et al. 2020
See also Brown et al. 2013 and Madzia et al. 2018
Sister taxa: Ampelognathus, Anomoepodidae, Bonaparteichnium, Brachypoda, Burianosaurus, Camptosaurichnus, Camptosauropus, Changchunsaurus, Changmiania, Clypeodonta, Dakotasaurus, Dinosauropodes, Dolichopoda, Euornithopoda, Fabrosauria, Gideonmantellia, Gilmoreosaurus arkhangelskyi, Goseongosauripus, Hypsiloichnus, Iguanodontipodidae, Iguanodontipodidae, Jiayinosauropus, Kalodontoidea, Laosaurus, Laosaurus celer, Laosaurus minimus, Moyenisauropodidae, Nanosaurus, Ningxiapus, Ornithopoidea, Othnielia, Phyllodon, Psilotrisauropus, Qantassaurus, Siluosaurus, Taponichnus, Telosichnus, Tetrapodosauridae, Trachodontoidea, Unespichnium, Walmadanyichnus, Weewarrasaurus, Wintonopus
Subtaxa: Albertadromeus Koreanosaurus Orodromeus Oryctodromeus Zephyrosaurus
Type: Orodromeus
Ecology: ground dwelling herbivore
Distribution: