Mosasaurus (Name meaning "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 65 million years ago during the Campanian and Maastrichtian stages of the Late Cretaceous.
In the Series 2 finale "Death of a Dynasty: To Hell... And Back", a family group of Mosasaurus were brought to the park from Late Cretaceous Montana, 65 million years ago. They reside in the Marine Enclosure.
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Mosasaurus skeleton
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- Mosasaurus is the second mosasaur brought to the park.