1. On Vertebrata of the Mid-Cretaceous of the Northwest Territory, Part 2. New genera and species from the Belly River Series (Mid-Cretaceous);LM Lambe;Canadian Geological Survey, Contributions to Canadian Paleontology,1902
2. On Gryposaurus notabilis, a new genus and species of trachodont dinosaur from the Belly River Formation of Alberta, with description of the skull of Chasmosaurus belli;LM Lambe;Ottawa Naturalist,1914
3. Cranial morphology and systematics of Chasmosaurus (Dinosauria: Ceratopsidae) from the Upper Cretaceous of western Canada;SJ Godfrey;Journal of Vertebrate Paleontology,1995
4. Re-evaluation of Pentaceratops and Chasmosaurus (Ornithischia: Ceratopsidae) in the Upper Cretaceous of the Western Interior;SG Lucas;New Mexico Museum of Natural History and Science Bulletin,2006
5. New horned dinosaurs from Utah provide evidence for intracontinental dinosaur endemism;SD Sampson;PLoS ONE,2010