Ce taxon est considéré comme subjective synonym of
du taxon valide Edmontosaurus
selon la Paleobiology Database.
Voir la fiche de Edmontosaurus →
Bibliographie
Description originale
R. Chapman and M. K. Brett-Surman. 1990. Morphometric observations on hadrosaurid ornithopods. In K. Carpenter and P. J. Currie (eds.), Dinosaur Systematics: Perspectives and Approaches, Cambridge University Press, Cambridge
DOI ↗