Giant 'megalodon' shark extinct earlier than previously thought: Prehistoric beast not killed off by a supernova - Science Daily

1. Giant 'megalodon' shark extinct earlier than previously thought: Prehistoric beast not killed off by a supernova  Science Daily
2. Megalodon: Mystery behind extinction of prehistoric 60ft shark may have been solved  The Independent
3. Megalodon shocker: Huge killer shark may have been wiped out by great whites  Fox News
4. Giant 'megalodon' shark extinct earlier than previously thought  Phys.org
5. Giant 'megalodon' shark extinct earlier than previously thought  EurekAlert
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