Definition
Plesiosaurus is a specific genus of plesiosaur, an extinct marine reptile characterized by a long neck, small head, and streamlined body. Imagine a swan with flippers, gliding effortlessly through the water. It lived during the Early Jurassic period. Plesiosaurus was a predator, feeding on fish and squid. Its fossils are primarily found in Europe, providing insights into Jurassic marine ecosystems.