Michael J. Ryan; David C. Evans; Philip J. Currie; Caleb M. Brown; Don Brinkman (2012). "New leptoceratopsids from the Upper Cretaceous of Alberta, Canada". Cretaceous Research. 35: 69–80. Bibcode:2012CrRes..35...69R. doi:10.1016/j.cretres.2011.11.018.
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Michael J. Ryan; David C. Evans; Philip J. Currie; Caleb M. Brown; Don Brinkman (2012). "New leptoceratopsids from the Upper Cretaceous of Alberta, Canada". Cretaceous Research. 35: 69–80. Bibcode:2012CrRes..35...69R. doi:10.1016/j.cretres.2011.11.018.
