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.
Mosasaurus
Prehistoric Creatures
for Prehistoric Creatures in Lost World, Prehistoric Earth
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A documentary show with your host David Attenborough
