Tenontosaurus was a herbivore. It lived in the Cretaceous period and inhabited North America. Its fossils have been found in places such as Texas, Utah and Texas.

Quick facts about Tenontosaurus:

  • Existed from 122.46 million years ago to 112.03 million years ago
  • Lived in a terrestrial habitat
  • Was a herbivore
  • Reproduced by laying eggs
  • Had a body mass of approximately 418331 g
  • Fossil femurs are approximately 557 mm long and 84.6 mm wide
  • Only one specimen has been found by paleontologists

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

Tenontosaurus was described by the following scientific paper(s):
  • R. L. Cifelli and J. D. Gardner. 1997. Additions to the vertebrate fauna of the Antlers Formation (Lower Cretaceous), southeastern Oklahoma. Oklahoma Geology Notes 57(4):124-131
  • B. H. Slaughter. 1965. A therian from the Lower Cretaceous (Albian) of Texas. Postilla 93:1-18
  • B. Patterson. 1955. A symmetrodont from the Early Cretaceous of northern Texas. Fieldiana: Zoology 37:689-693