At the end of the Cretaceous Period, a type of giant reptile called mosasaurs occupied and dominated oceanic food webs. Mosasaurs had long bodies and were related to both snakes and monitor lizards.

This video explores how Mosasaurus evolved into a marine predator so dominant that it effectively “broke the game” of prehistoric ocean life. Scientists highlight the creature’s immense size, ...

This video examines how Mosasaurus compared to other marine predators of its time. Using visual segments from the clip, it contrasts body structure, bite mechanics, and swimming efficiency against ...