Safari Ltd LiopleurodonSafari Ltd Liopleurodon Liopleurodon was a large carnivorous marine reptile (more than 20 feet in length) that lived during the Middle Jurassic Period (160 155 million years ago) in a shallow sea that once covered what is now Europe. Unlike the more familiar plesiosaurs like Elasmosaurus, which had small heads and a long neck, Liopleurodon had a huge head and short neck. Safari Ltd Model 300529 Size in cm: 15. 62cm x 3. 05cm x 9. 4cm The Liopleurodon