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Ancient fish with killer bite

Dunkleosteus clamped down on prey with three-quarters-of-a-ton force

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6:25pm, May 19, 2009

An ancient, 1-metric-ton fish nearly as long as a school bus had a bite more powerful than nearly everything alive today, a new study reveals.

The 10-meter-long Dunkleosteus terrelli cruised Devonian seas about 360 million years ago, says Philip Anderson, a vertebrate paleontologist at the University of Bristol in England. Dunkleosteus sported bony armor on its head and the front part of its body, but the anatomy of its skull was even more unusual: When the creature ope

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