Edgarosaurus was a plesiosaur, a type of marine reptile. It was not a dinosaur, though it coexisted with many dinosaurs. The first Edgarosaurus fossil was discovered in 2002.

Quick facts about Edgarosaurus:

  • Existed from 105.3 million years ago to 99.6 million years ago
  • Lived in a marine habitat
  • Was a carnivore
  • Reproduced by live birth
  • Only one specimen has been found by paleontologists

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

Edgarosaurus was described by the following scientific paper(s):
  • P. S. Druckenmiller. 2002. Osteology of a new plesiosaur from the Lower Cretaceous (Albian) Thermopolis Shale of Montana. Journal of Vertebrate Paleontology 22(1):29-42