EONpedia
From the beginning to the present.
Hadean
Earth's earliest phase — a molten planet cooling into the first crust and first oceans.
Archean
The age of the first single-celled life — prokaryotic microbes and the earliest stromatolites.
Proterozoic
Oxygen accumulates in the atmosphere; eukaryotic cells and the first multicellular life emerge.
Phanerozoic
The eon of 'visible life' — from the Cambrian explosion to the present; plants, animals, humans.