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Ordovician Period (nov 10, 485400000 BC – aug 2, 443800001 BC)

Added to timeline:

Chordate Evolution over Geologic Time

ByZahur Ashrafuzzaman

26 Jan 2018

2

0

1640

Date:

nov 10, 485400000 BC

aug 2, 443800001 BC

~ 5883516 years

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