![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/474661/original/file-20220718-69569-2vdqzi.png?ixlib=rb-1.1.0&q=45&auto=format&w=1000&fit=clip)
Megalodon sharks ruled the oceans millions of years ago – new analyses of giant fossilized teeth are helping scientists unravel the mystery of their extinction
![UWO biologist part of team that discovers 'megalodon' shark went extinct much earlier than previously thought - UW Oshkosh Today University of Wisconsin Oshkosh UWO biologist part of team that discovers 'megalodon' shark went extinct much earlier than previously thought - UW Oshkosh Today University of Wisconsin Oshkosh](https://uwosh.edu/today/wp-content/uploads/sites/93/C.-megalodon-extinction.jpg)
UWO biologist part of team that discovers 'megalodon' shark went extinct much earlier than previously thought - UW Oshkosh Today University of Wisconsin Oshkosh
![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=1200.0&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
![Reimagining the Megalodon, the World's Most Terrifying Sea Creature | At the Smithsonian| Smithsonian Magazine Reimagining the Megalodon, the World's Most Terrifying Sea Creature | At the Smithsonian| Smithsonian Magazine](https://th-thumbnailer.cdn-si-edu.com/c37T_ylzQbpkXTgHWGZg5a-c6cE=/1000x750/filters:no_upscale():focal(934x872:935x873)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/df/14/df14c47c-a08e-4062-8453-951a32b8aa9d/jun2019_d23_prologue.jpg)
Reimagining the Megalodon, the World's Most Terrifying Sea Creature | At the Smithsonian| Smithsonian Magazine
![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)