Pliosaurus was a plesiosaur, a type of marine reptile. It was not a dinosaur, though it coexisted with many dinosaurs. The first Pliosaurus fossil was discovered in 1841.

Quick facts about Pliosaurus:

  • Existed from 189.6 million years ago to Cretaceous Period
  • Lived in a marine environment
  • Was a carnivore
  • 9 different specimens have been found by paleontologists

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

Pliosaurus was described by the following scientific paper(s):
  • F. de Lapparent de Broin and M. S. de la Fuente. 2007. Notoemys laticentralis (Chelonii, Pleurodira), Late Jurassic of Argentina: new examination of the anatomical structures and comparisons. Revue de Paléobiologie 26(1):99-136
  • H. G. Seeley. 1869. Index to the Fossil Remains of Aves, Ornithosauria, and Reptilia, from the Secondary System of Strata, Arranged in the Woodwardian Museum of the University of Cambridge. Deighton, Bell, and Co, Cambridge
  • G. von Arthaber. 1906. Beiträge zur Kenntnis der Organisation und der Anpassungserscheinungen des genus Metriorhynchus. Beiträge zur Paläontologie und Geologie Österreich-Ungarns und des Orients 19(4):287-320