Elasmosaurus is a genus of plesiosaur that lived in North America during the Late Cretaceous period.
Ka-Zar of Prehistoria[]
Elasmosaurus are often called Tandoraz by many Cavemen tribes throughtout the world of Prehistoria including Ka-Zar and the Mammoth Tribe that he is apart of. These plesiosaurs roam Prehistoria's ocean, the Gorahn Sea with other primitive creatures of the sea. They often hunt animals such as fish and would attack Cavemen who would raft across the Gorahn to get to islands.