Massive, soft-bodied cephalopods up to 19 m (62 feet) long rivaled — and perhaps hunted — the ocean’s fiercest reptiles in the Cretaceous...
Traskasaura sandrae, a 12-m-long elasmosaur (a type of plesiosaur) that lived in the Cretaceous seas, 85 million years ago, had a strange mix of primitive...