Mosasaurus: Was an aquatic carnivore

Mosasaurus was an aquatic carnivore that preyed on fish, marine reptiles, birds, pterosaurs, smaller mosasaurs, and possibly even land dinosaurs. Mosasaurus teeth were formed like sharp spikes, letting it grab and hold onto its prey. The Mosasaurus 's double-hinged mouth would allow it to devour its prey entirely. Learn about the appearance, habitat, diet, reproduction, and threats of Mosasaurus , an extinct amphibious reptile that lived in the open ocean 70 to 66 million years ago. Discover 7 astonishing facts and FAQs about this ancient predator that was related to monitor lizards and had razor-sharp teeth. Explore the fascinating world of the Mosasaurus with this comprehensive guide filled with illustrations, facts, and more from the late Cretaceous period. Mosasaur, an extinct group of predatory marine lizards that competed with other marine reptiles for food during the Cretaceous Period (145.5 million to 66 million years ago).