Deinonychus was a carnivore. It lived in the Cretaceous period and inhabited North America. Its fossils have been found in places such as Montana, Colorado and Wyoming.

Quick facts about Deinonychus:

  • Existed from 145 million years ago to 100.5 million years ago
  • Lived in a terrestrial habitat
  • Was a carnivore
  • Reproduced by laying eggs
  • Had a body mass of approximately 75 kg
  • 41 different specimens have been found by paleontologists

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

Deinonychus was described by the following scientific paper(s):
  • W. D. Maxwell. 1993. Neonate dinosaur remains and dinosaur eggshell from the Lower Cretaceous Cloverly Formation, Montana. Journal of Vertebrate Paleontology 13(3, suppl.):49A
  • R. L. Cifelli. 1997. First notice on Mesozoic mammals from Oklahoma. Oklahoma Geology Notes 57(1):4-17
  • J. H. Ostrom. 1976. On a new specimen of the Lower Cretaceous theropod dinosaur <i>Deinonychus antirrhopus</i>. Breviora 439:1-21