Elasmosaurus was a marine reptile that lived about 80 to 65 million years ago during the Late Cretaceous period. It measured around 34 feet (10.3 meters) long, with most of its length coming from its incredibly long neck, which had more than 70 vertebrae. Elasmosaurus inhabited the ancient seas of what is now North America. It was a piscivore, meaning it primarily fed on fish, using its long neck to stealthily approach and snatch prey with its sharp teeth. This plesiosaur’s fossils have provided