Archelon is a genus of extinct sea turtles, the largest that have ever been documented, and the second largest turtles documented, behind Stupendemys. Unlike most modern turtles, Archelon did not have a solid shell, but instead had a skeletal framework supporting a leathery or bony carapace. Other distinguishing features include a pointed tail, a narrow skull, a relatively narrow, high-vaulted shell, and a pronounced overbite.


Sea Monsters: Prehistoric Predators of the Deep

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