Paleoarchean

Stromatolithe Paléoarchéen - MNHT.PAL.2009.10.1 — Stromatolithe

The Paleoarchean era lasted from 3.6bya to 3.2bya. During this time, the first oxygen-producing phototrophs formed and the first supercontinent called Vaalbara formed.

Eon (eonothem)		Era (erathem)	Period (system)
P h a n e r o z o i c		Cenozoic	Quaternary
			Neogene
			Paleogene
		Mesozoic	Cretaceous
			Jurassic
			Triassic
		Paleozoic	Permian
			Carboniferous
			Devonian
			Silurian
			Ordovician
			Cambrian
P r e c a m b r i a n	P r o t e r o z o i c	Neoproterozoic	Ediacaran
			Cryogenian
			Tonian
		Mesoproterozoic	Stenian
			Ectasian
			Calymmian
		Paleoproterozoic	Statherian
			Orosirian
			Rhyacian
			Siderian
	A r c h e a n	Neoarchean
		Mesoarchean
		Paleoarchean
		Eoarchean
	Hadean