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dec 9, 389000000 BC - Dunkleosteus "never knew existed" extinction 389 million years ago mean

Description:

https://news.uchicago.edu/story/study-finds-prehistoric-fish-extinction-paved-way-modern-vertebrates

Added to timeline:

Date:

dec 9, 389000000 BC
Now
~ 5883516 years ago

Images: