It was big. It was mean. And it could bite a shark in two. Scientists say Dunkleosteus terrelli might have been "the first king of the beasts." The prehistoric fish was 33 feet long and weighed up to ...

Did someone say "jaws"? Forget the great white shark: a 400-million-year-old, multiton fish may have had a bite powerful enough to chop a shark--or just about anything else--clean in two. To determine ...

WASHINGTON – It was the first super predator of the ancient seas and its fearsome, jagged jaws still inspire awe 400 million years later. The armor-plated fish Dunkleosteus was a 33-foot-long , 4-ton ...

A photograph of the Dunkleosteus terrelli fossil skull upon which this study was based. Scientists created a biomechanical model to simulate the jaw's function. From that they determined muscle mass ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. (WJW) – Ohio was once home to a fish that is ...