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 ...

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 ...

Cleveland’s iconic prehistoric sea monster—the 14-foot-long armored fish Dunkleosteus terrelli—just got a lot stranger. This marine apex predator lived some 360 million years ago, had razor-sharp bone ...