Pelorosaurus (meaning "monstrous lizard") was a huge plant-eating dinosaur. Pelorosaurus lived during the Early Cretaceous period, about 138-112 million years ago. Fossils referred to Pelorosaurus have been found in England and Portugal. It was about 50 feet (15.4 meters) long.
Naming
Gideon Mantell named the type species, Pelorosaurus conybeari,