Giant sharks once roamed the earth with a mega-appetite, research shows

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Giant, 50-foot 'superpredator' sharks once roamed the seas, feasting

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The true size of the ancient shark megalodon revealed

Megalodon, the largest shark ever, may have been a long, slender giant

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Giant Sharks Once Roamed the Seas, Feasting on Huge Meals

Giant sharks once roamed the seas, feasting on huge meals - WTOP News