Thespesius was a herbivore. It lived in the Cretaceous period and inhabited North America. Its fossils have been found in places such as South Dakota.

All the Thespesius illustrations below were collected from the internet. Enjoy and explore:

Thespesius was described by the following scientific paper(s):
  • J. Leidy. 1860. Extinct vertebrates from the Judith River and Great Lignite Formations of Nebraska. Transactions of the American Philosophical Society 11:139-154