noun
- a large extinct marine reptile of the Cretaceous period, resembling a modern monitor lizard but with a long body, powerful tail, and sharp teeth.
Usage: paleontology; often capitalized when referring to the genus Mosasaurus
Examples
- The mosasaurus was one of the largest predators in ancient seas.
- Fossils of mosasaurus have been found on multiple continents.
- Scientists believe the mosasaurus hunted large fish and smaller marine reptiles.
- The mosasaurus went extinct at the end of the Cretaceous period.
- In the movie, the mosasaurus was depicted as a fearsome ocean creature.