Mosasaurus ("lizard of the Meuse River") is the type genus of the mosasaurs, an extinct group of aquatic squamate reptiles. It lived from about 82 to 66 million years ago during the Campanian and Maastrichtian stages of the Late Cretaceous.
A documentary show that’s based on Walking with Dinosaurs, When Dinosaurs Roamed America, Dinosaur Planet, Planet Dinosaur, Dinosaur Revolution and Prehistoric Planet.
