Protosphyraena is a fossil genus of swordfish-like marine fish, that thrived worldwide during the Upper Cretaceous Period. Though fossil remains of this taxon have been found in both Europe and Asia, it is perhaps best known from the Smoky Hill Member of the Niobrara Chalk Formation of Kansas.
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Films[]
The Land Before Time IX: Journey to the Big Water (2002)
Sea Monsters: A Prehistoric Adventure (2007)