An illustration of a group of Dunkleosteus circling in search of prey in a warm Late Devonian Sea. Dunkleosteus is a genus of giant prehistoric fish existing about 380–360 million years ago. Dunkleosteus would have been one the most menacing marine life to ever have an encounter with. At 33 feet in length, 4 tons in weight with shovel-size teeth, the Dunkleosteus would have easily eaten even the largest species of shark.

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