Megalodon Shark Extinction May Have Triggered Gigantism In Modern Whales

October 24, 2014 8:04 PM

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Megalodon Shark Extinction May Have Triggered Gigantism In Modern Whales

The infamous megalodon, the world’s largest ever shark, grew to 20 meters (60 feet) in length, weighed as much as three African elephants, had teeth measuring over 7 inches long and munched on whales like they were goldfish crackers. And then it disappeared. Exactly when the prehistoric monster vanished has long eluded scientists, but new research sheds light on the shark’s demise, including that the species died off around the same time that whales began growing to gigantic sizes.

The timetable for megalodon’s existence has been debated, but according to a new study published in the journal PLOS One, the shark went extinct around 2.6 million years ago, long before early humans were around. "When we found out when that happened, we noticed it coincided with the pattern mention...

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