Dive into prehistoric waters and discover extraordinary sea monsters who reigned the ocean for 150 million years Ancient Sea Reptiles: Plesiosaurs, Ichthyosaurs, Mosasaurs, and More examines the anatomy, behavior, diversity, lifestyle, and evolutionary rise of creatures who conquered the seas for 150 million years during the Mesozoic era. Expert paleontologist Darren Naish puts these fearsome and mighty creatures under the microscope...