Any of various extinct carnivorous marine reptiles of the family Mosasauridae of the Cretaceous Period, having an elongated body, powerful jaws, and paddlelike limbs. Some species reached lengths of over 15 meters (50 feet).
Other Word Forms of Mosasaur
Origin of Mosasaur
New Latin Mosasaurus genus name Latin Mosa the Meuse River (where fossils of the genus were first discovered) Greek sauros lizard
From American Heritage Dictionary of the English Language, 5th Edition
mosa- +"Ž -saur
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