Full reference: K. E. Mikhailov. 1991. Classification of fossil eggshells of amniotic vertebrates. Acta Palaeontologica Polonica 36(2):193-238
Parent taxon: Ornithopoda according to K. E. Mikhailov 1991
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, Qantassaurus, Staurichnium, Talenkauen, Tetrapodosauridae, Thescelosauridae, Trachodontoidea, Trinisaura, Unespichnium, Wintonopus, Yueosaurus
Subtaxa: Ovaloolithus
Ecology: ground dwelling herbivore