How to pronouce it's name: Play-zee-o-saw-rus
Definition of name: "Ribbon Reptile"
Lived when: During the late Triassic (200 million years ago), dominated
the seas throughout the Jurassic era
Died out when: At the end of the early Cretaceous period
Type of food eaten: Carnivorous (fish, squid, and other sea creatures).
Fossils found where: First bones were found between 1800 and 1820 in
Lyme Regis, Dorset, England
Creature fact: If it does exist, some scientists believe that the Loch
Ness Monster would be a distant relative of the Plesiosaur