The megalodon went extinct 3.6 million years ago, and is thought to be the largest shark that ever swam the Earth. But there's debate over what it looked like. Most scientists have described it as a ...
Shark biologists now say a lemon shark, like this one, is a better model of the extinct megalodon's body than the great white shark. The megalodon has long been imagined as an enormous great white ...
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