The first era of visible life, opening with the Cambrian explosion and closing with the worst mass extinction Earth has recorded. It holds the Cambrian period, among others. This description is adapted from Wikipedia contributors under CC BY-SA 4.0; changes were made. https://creativecommons.org/licenses/by-sa/4.0/
Facts
Start (Million Years Ago) End (Million Years Ago) Key EventLife colonizes land, fish, plants and later reptiles, ending in the Permian mass extinction, the largest die-off in the fossil record. 1 Connections
Has Geologic Rank
In Discipline
Source Geologic Time Scale (Wikipedia)
Precursor To
Sources
1. Geologic Time Scale (Wikipedia)
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