Othnielosaurus was a herbivore/omnivore. It lived in the Jurassic period and inhabited North America. Its fossils have been found in places such as Utah, Colorado and Wyoming.

Quick facts about Othnielosaurus:

  • Existed from 161.2 million years ago to 145 million years ago
  • Lived in a terrestrial habitat
  • Was a herbivore
  • Reproduced by laying eggs
  • 8 different specimens have been found by paleontologists

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

Othnielosaurus was described by the following scientific paper(s):
  • O. C. Marsh. 1881. Discovery of a fossil bird in the Jurassic of Wyoming. American Journal of Science 31:341-342
  • O. C. Marsh. 1894. The typical Ornithopoda of the American Jurassic. American Journal of Science, series 3 48:85-90
  • J. Ayer. 1999. The Howe Ranch Dinosaurs: 10 Years of Dinosaur Digging in Wyoming. Sauriermuseum, Aathal, Switzerland