elasmosaurus
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.
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.
