 |
Timescale
| Eon |
Era |
Period |
starting time |
| Hadean |
|
|
4600 |
| Archean |
Eoarchean |
|
3800 |
| |
Paleoarchean |
|
3600 |
| |
Mesoarchean |
|
3200 |
| |
Neoarchean |
|
2800 |
| Proterozoic |
Neoproterozoic |
|
2500 |
| |
Mesoproterozoic |
|
1600 |
| |
Neoproterozoic |
Tonian |
1000 |
| |
|
Cryogenian |
850 |
| |
|
Ediacaran |
630 |
| Phanerozoic |
Paleozoic |
Cambrian |
543 |
| |
|
Ordovician |
505 |
| |
|
Silurian |
443 |
| |
|
Devonian |
417 |
| |
|
Carboniferous |
354 |
| |
|
Permian |
290 |
| |
Mesozoic |
Triassic |
251 |
| |
|
Jurassic |
200 |
| |
|
Cretaceous |
144 |
| |
Cenozoic |
Paleogene |
65 |
| |
|
Neogene |
34 |
| |
|
Quaternary |
1.8 |
| |
|
|
|
|
| |
|
|
