Antrodemus was a carnivore. It lived in the Jurassic period and inhabited North America and Europe. Its fossils have been found in places such as Wyoming, Utah and England (United Kingdom).

Quick facts about Antrodemus:

  • Existed from 163.5 million years ago to Coniacian Age
  • Lived in a terrestrial habitat
  • Was a carnivore
  • Reproduced by laying eggs
  • Had a body mass of approximately 2090 kg
  • 117 different specimens have been found by paleontologists

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

Antrodemus was described by the following scientific paper(s):
  • C. W. Gilmore. 1920. Osteology of the carnivorous Dinosauria in the United States National Museum, with special reference to the genera Antrodemus (Allosaurus) and Ceratosaurus. Bulletin of the United States National Museum 110:1-154
  • G. G. Simpson. 1926. The fauna of Quarry Nine. American Journal of Science 12(67):1-11
  • H. E. Gregory. 1936. The San Juan country. A geographic and geologic reconnassance of southeastern Utah. United States Geological Survey Professional Paper 188:v-123