Add Yahoo as a preferred source to see more of our stories on Google. Newly described muscle anatomy (right) and overall jaw anatomy of Dunkleosteus terrelli (center), compared to a more typical ...

About 360 million years ago, the shallow sea above present-day Cleveland was home to a fearsome apex predator: Dunkleosteus terrelli. This 14-foot armored fish ruled the Late Devonian seas with ...

It could bite a shark in two. It might have been the first “king of the beasts.” And it could teach scientists a lot about humans, because it is in the sister group of all jawed vertebrates.

Earth.com: Russell Engelman, graduate student in biology at the College of Arts and Sciences, discussed his study, which advanced the understanding of a prehistoric sea monster's anatomy. “The last ...