Cambrian Period (jun 6, 545101157 BC – jun 6, 476801157 BC)
Description:
It is the time when the first major group of organisms first appeared on the fossil record.A.K.A "Cambrian Explosion"
Added to timeline:
Date:
jun 6, 545101157 BC
jun 6, 476801157 BC
~ 5883516 years