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.

Quick facts about Monoclonius:

  • Existed from Campanian Age to 70.6 million years ago
  • Lived in a terrestrial habitat
  • Was a herbivore
  • Reproduced by laying eggs
  • Had a body mass of approximately 1833.6 kg
  • 15 different specimens have been found by paleontologists

All the Monoclonius illustrations below 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