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 ...

Long before dinosaurs walked the land a massive armored fish called Dunkleosteus dominated ancient seas Its fossilized head plates and blade like jaws have led some to describe it as a "sea monster" ...

By Martin McConnell About 380 million years ago during the Late Devonian period, a gigantic, plate-armored fish with a bite force to a T. Rex prowled the waters of what would eventually become Lake ...

Great Lakes Aquarium's newest feature will include two new touch pools featuring aquatic animals not commonly associated with the region. A full-scale reproduction of the prehistoric Dunkleosteus, a ...

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