The Pliosaur was a large marine reptile that lived during the late Jurassic to early Cretaceous periods, around 150 million years ago. It belonged to the group of reptiles known as plesiosaurs, but unlike its long-necked relatives, the Pliosaur had a short neck and a massive head. These creatures were powerful swimmers, using their strong flippers to navigate the oceans, and they were top predators, feeding on fish and other marine animals. Pliosaurs could grow to impressive sizes, with some species reaching lengths of up to 40 feet. Their sharp teeth and strong jaws made them effective hunters, similar to modern-day crocodiles. Fossils of Pliosaurs have been found in various parts of the world, providing valuable insights into