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apr 4, 444000000 BC - Graptolite Extiction

Description:

End Ordovician, 444 million years ago, 86% of species lost

— Graptolite 2-3 cm length

Added to timeline:

Extinctions and fossils throughout the past

ByDanielle Rebalde

26 Oct 2018

0

0

510

Date:

apr 4, 444000000 BC

Now

~ 5883516 years ago

Images:

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