About 360 million years ago, a huge armored fish patrolled a shallow sea that once covered what is now Cleveland. This animal, known as Dunkleosteus terrelli, has long held a place among the most ...

For nearly two decades, paleontologists thought they had Dunkleosteus terrelli figured out. This monstrous, 30-foot fish ruled Late Devonian oceans 360 million years ago. Scientists believed it used ...

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 ...

Dunkleosteus is often presented as one of the most formidable predators of the Devonian seas, yet much of its biology remains uncertain. Fossil evidence consists mainly of armored head plates, leaving ...

Megalodon usually gets all the attention when it comes to sea monsters, but ancient oceans were full of predators just as strange and scary. Fossils tell us that long before modern sharks ruled the ...

Popular Science: Russell Engelman, graduate student in biology at the College of Arts and Sciences, collaborated with an international team of researchers from Australia, the United Kingdom and Russia ...