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Cretaceous–Paleogene extinction (oct 14, 66000000 BC – jan 1, 65000000 BC)

Description:

A combination of volcanic activity, asteroid impact, and climate change effectively ended 76% of life on earth. This extinction period allowed for the evolution of mammals on land and sharks in the sea.

Added to timeline:

geographic timeline

ByMakayla Gibson
19 Oct 2018
0
0
348

Date:

oct 14, 66000000 BC
jan 1, 65000000 BC
~ 1000665 years
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