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Ancient mega-piranha had mega-bite

University of Washington (UW) researchers say Megapiranha paranensis, a prehistoric relative of piranhas weighing about 20 pounds, delivered a bite with a force more powerful than any other creature – even Tyrannosaurus rex. UW’s Stephanie Crofts said that besides the force of the bite, the mega-piranha appears to have had teeth capable of piercing thick […]

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