Articles for tag: ancient oceans, Cretaceous period survival, Cretaceous sea, dangerous prehistoric seas, extinct marine reptiles, mosasaurs, ocean dinosaurs, plesiosaurs, prehistoric marine life, prehistoric sea predators

Could You Survive Swimming in the Cretaceous Sea?

Picture yourself standing on the shore of a vast ocean some 100 million years ago. The water looks inviting, but beneath its seemingly calm surface lurks a nightmare that would make modern shark encounters seem like a day at the beach. What makes the Cretaceous sea worse than any other in history is that there ...