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Giant ancient sharks had enormous babies that ate their siblings in the womb

By Tom Fletcher, Honorary Research Fellow in Palaeobiology, University of Leicester

Made famous by the 2018 blockbuster The Meg, the largest predatory shark ever discovered, the megalodon, is a bit of a mystery. We know it lived between 15 and 3.6 million years ago and it reached at least 14 metres in length, more than double the size of an adult great white. But learning any more about the giant shark requires a bit…

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