Monster shark 'kept whales in check'

October 24, 2014 5:54 PM

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Monster shark 'kept whales in check'

The extinction of the biggest shark known to science may have triggered whales to grow to their current hefty sizes, a study suggests.

Megalodon, an ancient 14-18m-long predator that resembled a super-sized Great White, may have preyed on primitive baleen whales.

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