Mosasaurus

Mosasaurus was a large, 15-metre long aquatic carnivore from the Late Cretaceous about 90-65 million years ago. It gave its name to a group of marine lizards - Mosasaurs.

Mosasaurus means 'Meuse Lizard', referring to the river near which it was first found. It fed on such prey as sea birds, sharks and large fish, plesiosaurs, and even other mosasaurs.

Appearance
Mosasaurus was a large, 15-metre long aquatic carnivore, with a length of 60 feet, and weighs 5 tons.