Dinosaur Discovery on MSN

Prehistoric oceans were full of giant reptiles - some looked almost unreal

While dinosaurs dominated the land, the prehistoric oceans were home to an extraordinary variety of marine reptiles. From ...
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This Prehistoric Sea Monster Didn’t Stick to the Ocean, Study Finds

For decades, mosasaurs have occupied a very specific mental real estate. They are the ocean’s final boss, the late-Cretaceous equivalent of a great white on steroids. Massive. Carnivorous. Fully ...