RNames - Scheme: Eons (3)
Binning results
| Structured Name | Oldest | Youngest |
|---|---|---|
| "Senecan" | Phanerozoic | Phanerozoic |
| 'A' | Phanerozoic | Phanerozoic |
| 'Arqov | Phanerozoic | Phanerozoic |
| 'Fifth' | Phanerozoic | Phanerozoic |
| 'First' | Phanerozoic | Phanerozoic |
| 'Fourth' | Phanerozoic | Phanerozoic |
| 'Hailey Shales' | Phanerozoic | Phanerozoic |
| 'Second' | Phanerozoic | Phanerozoic |
| 'Third' | Phanerozoic | Phanerozoic |
| 'Ubeidiya | Phanerozoic | Phanerozoic |
| (?) Malokinelskaya | Phanerozoic | Phanerozoic |
| 0 | Phanerozoic | Phanerozoic |
| 1 | Phanerozoic | Phanerozoic |
| 1a | Phanerozoic | Phanerozoic |
| 1b | Phanerozoic | Phanerozoic |
| 1c | Phanerozoic | Phanerozoic |
| 1d | Phanerozoic | Phanerozoic |
| 2 | Phanerozoic | Phanerozoic |
| 2a | Phanerozoic | Phanerozoic |
| 2b | Phanerozoic | Phanerozoic |