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Start of the Paleogene Period (Mammals evolved to huge sizes) (sep 22, 64997699 BC – jun 9, 23000000 BC)
Added to timeline:
History of Life Timeline
By
Matthew De Villiers
16 Sep 2018
0
0
349
Date:
sep 22, 64997699 BC
jun 9, 23000000 BC
~ 5883516 years
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