Megalneusaurus was a plesiosaur, a type of marine reptile. It was not a dinosaur, though it coexisted with many dinosaurs.

All these Megalneusaurus pictures were collected from the internet. Enjoy and explore:

Megalneusaurus was described by the following scientific paper(s):
  • W. R. Wahl and M. Ross. 2007. Rediscovery of Wilbur Knight's Megalneustes rex site: new material from an old pit. Paludicola 6(2):94-104