Navigation:Geological Time Periods/Archaean Eon

Paleoarchean Era
4000-3200 MYA

Prokaryotes

 * Stromatolites

Mesoarchaean Era
3200-2800 MYA

Prokaryotes

 * Stromatolites

Neoarchaean Era
2800-2500 MYA

Prokaryotes

 * Stromatolites

Eukaryotes

 * Amoeba-like basal eukaryotes?  [ note 1 ]