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The biggest shark in the world The earliest megalodon fossils (Otodus megalodon, previously known as Carcharodon or Carcharocles megalodon) date to 20 million years ago. For the next 13 million years the enormous shark dominated the oceans until becoming extinct just 3.6 million years ago.

O. megalodon was not only the biggest shark in the world, but one of the largest fish ever to exist. Estimates suggest it grew to between 15 and 18 metres in length, three times longer than the largest recorded great white shark.

Without a complete megalodon skeleton, these figures are based on the size of the animal's teeth, which can reach 18 centimetres long. In fact, the word megalodon simply means 'large tooth'. These teeth can tell us a lot, such as what these massive animals ate. It was a Shark 2 times greater than a Trex. It usually had Dolphins,Whales,Sea lions. HOW DID THEY BECOME EXTINT? The Meg requires warm water to survive but it's prey did not. They moved to the colder regions to escape the meg. So soon the meg started to eat the babies of it's own species. Thanks for reading -Done by Baju Eienstein