At the end of the Cretaceous Period, a type of giant reptile called mosasaurs occupied and dominated oceanic food webs.
And it was huge. The ancestor of today’s 20-foot great white shark was thought to be about 26 feet long, the authors of a ...
Mosasaurs are best known as fearsome marine reptiles that ruled the oceans at the end of the dinosaur era. But new research suggests these giant predators were not limited to the sea. Evidence from a ...