Plesiosaurus | fossil marine reptile | Britannica
https://www.britannica.com/animal/Plesiosaurus
WEBclassification and characteristics. In plesiosaur. Plesiosaurus, an early plesiosaur, was about 4.5 metres (15 feet) long, with a broad, flat body and a relatively short tail. It swam by flapping its fins in the water, much as sea lions do today, in a modified style of underwater “flight.”. The nostrils….
DA: 47 PA: 90 MOZ Rank: 56