![Megalodon sharks ruled the oceans millions of years ago – new analyses of giant fossilized teeth are helping scientists unravel the mystery of their extinction Megalodon sharks ruled the oceans millions of years ago – new analyses of giant fossilized teeth are helping scientists unravel the mystery of their extinction](https://images.theconversation.com/files/474715/original/file-20220718-72671-te0fb6.png?ixlib=rb-1.1.0&q=45&auto=format&w=1200&h=900.0&fit=crop)
Megalodon sharks ruled the oceans millions of years ago – new analyses of giant fossilized teeth are helping scientists unravel the mystery of their extinction
![The giant Megalodon shark was three times as big as a great white, new measurements show | Science | AAAS The giant Megalodon shark was three times as big as a great white, new measurements show | Science | AAAS](https://www.science.org/do/10.5555/article.2474205/abs/Megladon_1280x720.jpg)
The giant Megalodon shark was three times as big as a great white, new measurements show | Science | AAAS
![Making a megalodon: the evolving science behind estimating the size of the largest ever killer shark Making a megalodon: the evolving science behind estimating the size of the largest ever killer shark](https://images.theconversation.com/files/388736/original/file-20210310-13-17yzibt.jpg?ixlib=rb-1.1.0&q=45&auto=format&w=1200&h=1200.0&fit=crop)
Making a megalodon: the evolving science behind estimating the size of the largest ever killer shark
![Giant Megalodon sharks were even BIGGER than previously thought and measured 'up to 65 FEET' | Daily Mail Online Giant Megalodon sharks were even BIGGER than previously thought and measured 'up to 65 FEET' | Daily Mail Online](https://i.dailymail.co.uk/1s/2021/06/08/13/43968357-0-image-a-3_1623156541607.jpg)