Protosphyraena is a genus of primitive swordfish which thrived worldwide during the Upper Cretaceous Period (Coniacian-Maastrichtian). 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 (Late Coniacian-Early Campanian). Protosphyraena ... by Wikipedia
The blue-highlighted titles indicate clickable links for more information or the paper itself. ... and enigmatic remains to the genus Protosphyraena. ...
Xiphactinus audax, and Protosphyraena bentonianum) ... Robert Purdy (Smithsonian) provided information on specimens of teeth cited by Williston (1900) ...
Complete skeletons of Protosphyraena are rare, which may suggests that either ... oylinki-News, Tips and Information Blog. PetLvr-Battling Depression. From ...