| Äonothem | Ärathem | System | Alter (ma) |
|---|---|---|---|
| Phanerozoikum | Känozoikum | Quartär | 0 - 2,588 |
| Neogen | 2,588 - 23,03 | ||
| Paläogen | 23,03 - 66 | ||
| Mesozoikum | Kreide | 66 - 145 | |
| Jura | 145 - 201,3 | ||
| Trias | 201,3 - 251,9 | ||
| Paläozoikum | Perm | 251,9 - 298,9 | |
| Karbon | 298,9 - 358,9 | ||
| Devon | 358,9 - 419,2 | ||
| Silur | 419,2 - 443,4 | ||
| Ordovizium | 443,4 - 485,4 | ||
| Kambrium | 485,4 - 541 | ||
| Proterozoikum | Neoproterozoikum | Ediacarium | 541 - 635 |
| Cryogenium | 635 - 720 | ||
| Tonium | 720 - 1000 | ||
| Mesoproterozoikum | Stenium | 1000 - 1200 | |
| Ectasium | 1200 - 1400 | ||
| Calymmium | 1400 - 1600 | ||
| Paläoproterozoikum | Statherium | 1600 - 1800 | |
| Orosirium | 1800 - 2050 | ||
| Rhyacium | 2050 - 2300 | ||
| Siderium | 2300 - 2500 | ||
| Archaikum | Neoproterozoikum | 2500 - 2800 | |
| Mesoarchaikum | 2800 - 3200 | ||
| Paläoarchaikum | 3200 - 3600 | ||
| Eoarchaikum | 3600 - 4000 | ||
| Hadaikum | 2500 - 2800 | ||
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