Claim: A genus of sauropterygian carnivorous reptiles belonging to the pliosaur superfamily was discovered in the Alum Shale in Yorkshire, England, measuring about seven meters long and thought to be from the Toarcian age.
Evidence: A genus of sauropterygian carnivorous reptile belonging to the pliosaur superfamily, it was about 7m long. Alum Shale, Yorkshire, England Toarcian