plesiosaurs

Artist’s concept of a plesiosaur. Plesiosaurs are characterized by four uniform flippers.A new study reveals how plesiosaurs swam underwaterPlesiosaurs, who lived around 210 million years ago, adapted to living underwater in an unusual way: their front and hind legs evolved to become four uniform, wing-like flippers over time. Dr. Anna Krahl examined how they utilized them to travel through the water in her thesis, which was supervised at Ruhr-Universität Bochum and the University of Bonn.She was able to demonstrate that…

While many people have long hoped that the Loch Ness monster is a present-day plesiosaur, skeptics have pointed out that plesiosaurs lived in the ocean. New research, however, now suggests that some of the creatures may have inhabited freshwater rivers.Plesiosaurs were a group of prehistoric aquatic reptiles, characterized by their long necks, small heads, and four paddle-like flippers. They existed for approximately 150 million years, becoming extinct at the same time as the dinosaurs, 66 million years ago (some Nessie…