↑Caleb Marshall Brown, David C. Evans, Michael J. Ryan et Anthony P. Russell, « 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, vol. 33, no 3, , p. 495–520 (ISSN0272-4634 et 1937-2809, DOI10.1080/02724634.2013.746229, lire en ligne, consulté le )