Q:
What Is a Megalodon Shark?
A:
Quick Answer
Megalodon is an extinct species of giant shark that lived from approximately 15 million years ago to 2 million years ago. It is believed to have resembled a stockier version of today's great white shark.
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James St. John
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Full Answer
Megalodon, which likely grew to lengths of upwards of 50 feet, is regarded as one of the largest vertebrate predators ever to live. Its wide-ranging distribution in ancient oceans likely had a profound impact on the composition of marine ecosystems. The precise reason for megalodon's extinction is unknown, though it was likely a combination of cool oceans, a decline in food supply and increased competition from other large animals, primarily carnivorous whales.
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