Elasmosaurus
Elasmosaurus is a genus of plesiosaur that lived in North America during the Campanian stage of the Late Cretaceous period. Measuring 10. 3 meters long, Elasmosaurus would have had a streamlined body with paddle-like limbs, a short tail, a small head, and an extremely long neck. Along with its relative Albertonectes, it was one of the longest-necked animals to have...