A fossil fish called Dunkleosteus was less svelte shark and more rotund tuna, but that only made it a fiercer predator in the seas of the Devonian Period. By Jack Tamisiea With a bite that could ...

Dr. Colleary points to the bony-plated skull of an extinct giant carnivorous fish. "This is dunkleosteus. It was living here in Cleveland about 359 million years ago when Cleveland was the ocean." ...

Dunkleosteus terrelli may have been the world's first apex predator. The force of its bite was remarkably powerful: 11,000 pounds. The bladed dentition of this 400-million-year-old extinct fish ...

Previous size estimates for Dunkleosteus were largely based on this animal’s mouth and jaws, but these methods were never tested to see if they reliably estimated the size of placoderms.

One of the earliest vertebrate apex predators may not have been a giant after all. Dunkleosteus terrelli – often portrayed as a 9-metre-long, armoured, shark-like predatory fish with bladed jaws ...

They're almost positive at least one will yield paydirt: a piece of it they previously removed and examined held a thick armor plate of bone that protected Dunkleosteus' upper body. Such specimens ...

Dunkleosteus was a massive armored fish that ruled the Devonian seas over 358 million years ago. With powerful, self-sharpening jaws and an immense bite force, it was one of the most fearsome ...

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

Reconstruction expert Rob Gaston notes that ... awe erases any quibbles about authenticity. The enormous fish Dunkleosteus lived during the Late Devonian period. You can see its overlapping ...