Cretaceous Period- C. 70 Million Years Ago Order to which the fossil belongs: Squamata Name of which the family belongs: Mosasauridae Informal name of the fossil: Mosasaur Mosasaurs were large marine carnivores, feeding on fish, birds & other marine animals. Some species reaching lengths of 50 feet. They were fast, streamline and sleek with large flipper like paddles for arms and legs and a tail fin. Its teeth have a re-curved crown, almost smooth and slightly triangular in cross-section and is set on a bulbous root. Unlike other lizards, the individual teeth were located in separate sockets and not attached to the side of the jaw. Nice example with other bones within matrix. Size: Tooth & Root: 20mm x 51mm length approx Rock: 57mm x 88mm approx