Mosasaur Fossils

Mosasaur fossils on display at the Muséum national d'histoire naturelle in Paris, France. Learn more at the mosasaur entry at Wikipedia.

UPDATE: Mosasaur fossils on display at the Smithsonian National Museum of Natural History in 2010. The skull fossil is a Clidastes liodontus and the full fossil is Tylosaurus proriger both from Kansas of the Late Cretaceous (80-70 mya).