Also known as: elasmosaur, エラスモサウルス
A long-necked marine Reptile. Elasmosaurus is a genus of Plesiosaurus that lived in North America during the Campanian stage of the Late Cretaceous period, at about 80.6 to 77 million years ago.
External links
https://en.wikipedia.org/wiki/Elasmosaurus
