Megladon Teeth compared to a Great White

Shown above is a fossil toothe of a megalodon ("big tooth"), compared to one from it's living relative, the great white shark. Megalodons reached 43 feet long and must have been fearsome predators when they cruised the seas 15 million years ago. The small tooth is from Ptychodus from 120 million years ago. These sharks probably ate shellfish.

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