how did the elasmosaurus survive
It lived during part of the late Cretaceous era about 65 million years ago. They were very graceful swimmers and had extremely longnecks to catch fish with; Elasmosaurus lived around the world from N. America to Asia, there were several Elasmosaurids such the Thalassomodon, Goniosaurus, Aphrosaurus and Futabasaurus.