a large fossil marine reptile of the late Cretaceous period, with large toothed jaws, paddle-like limbs, and a long flattened tail, related to the monitor lizards 沧龙
Family Mosasauridae, suborder Lacertilia: several genera, including Mosasaurus 沧龙科,蜥蜴亚目:数属,包括沧龙属
语源
mid 19th cent.: from modern Latin Mosasaurus, from Latin Mosa, 'Meuse' (the river near which it was first discovered) + Greek sauros 'lizard'