Phanerozoic

Cenozoic

Quaternary

Anthropocene

present

Holocene

11.8Ka - present

Mesolithic Age - Iron Age

Pleistocene

2.58Ma - 11.7Ka

Paleolithic Age

Neogene

Pliocene

5.333Ma - 2.58Ma

Miocene

23.03Ma - 5.333Ma

Paleogene

Oligocene

33.9Ma - 23.03Ma

Eocene

56Ma - 33.9Ma

Paleocene

66Ma - 56Ma

Mesozoic

Cretaceous

~

145.5Ma - 66Ma

Jurassic

~

199.6Ma - 145.5Ma

Triassic

~

251.902±0.024Ma - 201.3±0.2Ma

Paleozoic

Permian

~

298.9±0.15Ma - 251.902±0.024Ma

Carboniferous

~

358.9±0.4Ma - 298.9±0.15Ma

Devonian

~

419.2±3.2Ma - 358.9±0.4Ma

Silurian

~

443.8±1.5Ma - 419.2±3.2Ma

Ordovician

~

485.4±1.9Ma - 443.8±1.5Ma

Cambrian

~

541Ma - 485.4Ma

Proterozoic

~

Pre-Cambrian

~

2.5Ga - 541±1Ma

Archean

~

~

4.0Ga - 2.5Ga

Hadean

~

~

4.54Ga - 4.0Ga