Plesiosaurus was a prehistoric sea monster that lived during the Mesozoic Era, approximately 200 million years ago. It was a large marine reptile with a long neck, four paddle-like flippers, and a short tail. It was a carniv
Plesiosaurus was a prehistoric sea monster that lived during the Mesozoic Era, approximately 200 million years ago. It was a large marine reptile with a long neck, four paddle-like flippers, and a short tail. It was a carniv