Ancient ocean predators were reptiles that swam like sharks
Tuesday, September 10, 2013 - 10:31
in Biology & Nature
The leviathans of the Late Cretaceous ocean were swift-swimming lizards, large as sperm whales and finned like sharks. New evidence shows how similar the flippers of these top predators from 90 million years ago were to the limbs of everyone's favorite predatory fish today.