Full reference: T. H. Rich and P. Vickers-Rich. 1999. The Hypsilophodontidae from southeastern Australia. Proceedings of the Second Gondwanan Dinosaur Symposium, National Science Museum Monographs 15:167-180
Parent taxon: Ornithopoda according to F. L. Agnolin et al. 2010
Sister taxa: Anabisetia, Anomoepodidae, Bonaparteichnium, Brachypoda, Camptosaurichnus, Caririchnium, Dakotasaurus, Dinehichnus, Dinosauropodes, Dolichopoda, Euornithopoda, Fabrosauria, Gasparinisaura, Gideonmantellia, Hypsiloichnus, Hypsilophodon, Hypsilophodontia, Iguanodontia, Jeholosauridae, Jiayinosauropus, Kalodontoidea, Koreanosaurus, Laoyingshanpus, Leaellynasaura, Moyenisauropodidae, Nanosauridae, Ornithopodichnites, Ovaloolithidae, Staurichnium, Talenkauen, Tetrapodosauridae, Thescelosauridae, Trachodontoidea, Trinisaura, Unespichnium, Wintonopus, Yueosaurus
Subtaxa: Qantassaurus intrepidus
Type: Qantassaurus intrepidus
Ecology: ground dwelling herbivore