
Paleontologists Identify Strange New Species of Elasmosaur: Traskasaura sandrae
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 and derived traits unlike any other elasmosaur; its unique suite of adaptations enabled this marine …