|
Era |
Period |
Epoch |
Time |
| Cenozoic |
Quaternary |
Holocene |
10,000 years to present |
| Pleistocene |
1.8 mya to 10,000 years ago |
| Tertiary |
Pliocene |
5.2 mya to 1.81 mya |
| Miocene |
23.30 mya to 5.2 mya |
| Oligocene |
35.5 mya to 23.30 mya |
| Eocene |
56.5 mya to 35.5 mya |
| Paleocene |
65 mya to 56.5 mya |
| Mesozoic |
Cretaceous |
-- |
144 mya to 65 mya |
| Jurassic |
-- |
208 mya to 144 mya |
| Triassic |
-- |
245 mya to 208 mya |
| Paleozoic
|
Permain |
-- |
286 mya to 245 mya |
| Carboniferous
|
Pennsylvanian |
320 mya to 286 mya |
| Mississippian |
360 mya to 320 mya |
| Devonian |
-- |
408 mya to 360 mya |
| Silurian |
-- |
438 mya to 408 mya |
| Ordovician |
-- |
505 mya to 438 mya |
| Cambrian |
-- |
570 mya to 505 mya |
| Precambrian |
-- |
-- |
4,500 mya to 570 mya |
|
