Leptocleidus is an extinct genus of plesiosaur,[1] belonging to the family Leptocleididae.[2] It was a small plesiosaur, measuring only up to 3 m (9.8 ft).[3]
A documentary show that’s based on Walking with Dinosaurs, When Dinosaurs Roamed America, Dinosaur Planet, Planet Dinosaur, Dinosaur Revolution and Prehistoric Planet.
