What is mosasaurios?

Mosasaurs were a group of large, predatory marine reptiles that lived during the Late Cretaceous period, approximately 70-66 million years ago. They were highly successful apex predators, with a worldwide distribution and a diverse range of body sizes, shapes, and ecological niches. Mosasaurs had long, serpentine bodies, paddle-like limbs, and powerful jaws filled with sharp teeth. They were adapted for life in the open ocean and could swim quickly and maneuver efficiently using their streamlined bodies and muscular tails. Some species could reach lengths of up to 50 feet (15 meters) and weigh as much as a small whale. Mosasaurs were carnivorous and fed on a variety of prey, including fish, squid, and other marine reptiles. Over time, as global climatic conditions changed and their food sources became scarce, mosasaurs eventually dwindled and became extinct. Their fossils have been found on every continent, and they continue to fascinate scientists and inspire popular culture interpretations of prehistoric sea monsters.