Monoclonius was a herbivore. It lived in the Cretaceous period and inhabited North America. Its fossils have been found in places such as Alberta (Canada), New Mexico and Wyoming.

All these Monoclonius pictures were collected from the internet. Enjoy and explore:

Monoclonius was described by the following scientific paper(s):
  • E. D. Cope. 1876. Descriptions of some vertebrate remains from the Fort Union Beds of Montana. Proceedings of the Academy of Natural Sciences of Philadelphia 28:248-261
  • E. D. Cope. 1889. The horned Dinosauria of the Laramie. The American Naturalist 23:715-717
  • G. E. Murray and D. R. Boyd. 1960. Late Cretaceous fossil locality, eastern Parras Basin, Coahuila, Mexico. Journal of Paleontology 34(2):368-370