Definition of megalodon Megalodon
We found 2 definitions of megalodon from 2 different sources.
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What does megalodon mean?
Wiktionary 
- megalodon (Noun)
Any of a group of extinct sharks from the Oligocene to Pleistocene epochs.
Wikipedia 
- Megalodon was an ancient shark that may have been 40 feet (12 m) long or even more. (There are a few scientists who estimate that it could have been up to 50 or 100 feet (15.5 or 31 m) long!) This is at least two or three times as long as the Great White Shark, but this is only an estimate made from many fossilized teeth and a few fossilized vertebrae that have been found. These giant teeth are the size of a person's hand! No other parts of this ancient shark have been found, so we can only guess what it looked like. Since Megalodon's teeth are very similar to the teeth of the Great White Shark (but bigger and thicker), it is thought that Megalodon may have looked like a huge, streamlined version of the Great White Shark.
