Pelorosaurus

Pelorosaurus ( /pɨˌlɒrɵˈsɔrəs/ pel-LORR-o-SAWR-əs; meaning "monstrous lizard") was a huge plant-eating dinosaur. Pelorosaurus was one of the first sauropod dinosaurs ever discovered. 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 sixteen metres (50 feet) long.