Peloneustes was a plesiosaur 10 feet (3 m) long with a big head, streamlined body, long head, and relatively few, not very sharp teeth. Fossilized stomach containing suckers from cephalopods (e.g., squids) have been found. From England and eastern Europe during the late Jurassic period . It was not a dinosaur, but another type of extinct reptile.
Found on http://www.enchantedlearning.com/subjects/dinosaurs/glossary/
No exact match found