^ 1.01.11.21.31.41.51.61.7(英文)Kirkland, J.I. and DeBlieux, D.D. (2010). "New basal centrosaurine ceratopsian skulls from the Wahweap Formation (Middle Campanian), Grand Staircase–Escalante National Monument, southern Utah", In: Ryan, M.J., Chinnery-Allgeier, B.J., and Eberth, D.A. (eds.) New Perspectives on Horned Dinosaurs: The Royal Tyrrell Museum Ceratopsian Symposium. Bloomington, Indiana University Press, pp. 117–140
Kirkland, J. I., and D. D. DeBlieux. 2007. New horned dinosuars from the Wahweap Formation, Grand Staircase-Escalante National Monument, southern Utah. Utah Geological Survey Notes 39:4-5