(en) Scott D. Sampson, Mark A. Loewen, Andrew A. Farke, Eric M. Roberts, Catherine A. Forster, Joshua A. Smith et Alan L. Titus, « New Horned Dinosaurs from Utah Provide Evidence for Intracontinental Dinosaur Endemism », PLoS ONE, vol. 5, no 9, , e12292 (DOI10.1371/journal.pone.0012292)
(en) R. B. Holmes, C. A. Forster, M. J. Ryan et K. M. Shepherd, « A new species of Chasmosaurus (Dinosauria: Ceratopsia) from the Dinosaur Park Formation of southern Alberta », Canadian Journal of Earth Sciences, vol. 38, , p. 1423–1438 (DOI10.1139/cjes-38-10-1423, lire en ligne)
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(en) R. B. Holmes, C. A. Forster, M. J. Ryan et K. M. Shepherd, « A new species of Chasmosaurus (Dinosauria: Ceratopsia) from the Dinosaur Park Formation of southern Alberta », Canadian Journal of Earth Sciences, vol. 38, , p. 1423–1438 (DOI10.1139/cjes-38-10-1423, lire en ligne)