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 beloved ancient sea monster


Cleveland's beloved ancient sea monster was more turtle than shark

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Science Biology Evolution Cleveland's beloved ancient sea monster was more turtle than shark Paleontologists revised the anatomy of Dunkleosteus terrelli-and it's still terrifying. Breakthroughs, discoveries, and DIY tips sent every weekday. About 360 million years ago, present-day Cleveland was home to a fearsome predator . But this giant did not stalk prey on land. Covered in armor plates and featuring scalpel-sharp, bone blades for teeth, was an undisputed, ancient apex predator.

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