Edgarosaurus
In Depth Edgarosaurus seems to have been one of the first polycoylid plesiosaurs to swim in the late Cretaceous Western Interior Seaway, a shallow sea that submerged much of central North American during the Cretaceous. Like its relatives, Edgarosaurus had a typical plesiosaur body but a short neck an elongated jaws, features reminiscent of the … Read more