Protostega

Protostega ('first roof') is an extinct genus of marine turtle containing a single species, Protostega gigas. Its fossil remains have been found in the Smoky Hill Chalk formation of western Kansas and the Mooreville Chalk Formation of Alabama. It is is second largest sea turtle that ever lived, just behind Archelon.

Jurassic World: The Game
see Protostega/JW: TG

Protostega is a Reef in Jurassic World: The Game.