This taxon is considered nomen dubium, species not entered
of the valid taxon Chasmosaurus
according to the Paleobiology Database.
See the page for Chasmosaurus →
Bibliography
Original description
L. M. Lambe. 1902. New genera and species from the Belly River Series (mid-Cretaceous). Geological Survey of Canada Contributions to Canadian Palaeontology 3(2):25-81