Mosasaurs Last of the Great Marine Reptiles

These species helped scientists to confirm the idea that animals could go extinct. This Plesiosaurus specimen, found by Mary Anning on the south coast of England, was the first articulated skeleton of a complete plesiosaur ever discovered.. Mosasaurus would be classified as archosaurusses and thats the same family as plesiosaurus and pliosaurus.

Find out who's the ocean king by taking a dive deep into the prehistoric ocean in this exciting underwater adventure as Mosasaurus and Plesiosaurus face off.. The ancient seas of the Mesozoic era were witness to one of nature's most spectacular rivalries. While dinosaurs dominated the land, beneath the waves, a different drama unfolded between two mighty groups of marine reptiles - the graceful plesiosaurs and the powerful mosasaurs. These colossal predators would compete for supremacy of the oceans across millions of years, their rivalry.