RNames - Scheme: Eras (4)
Binning results
| Structured Name | Oldest | Youngest |
|---|---|---|
| "Senecan" | Cenozoic | Cenozoic |
| 'A' | Paleozoic | Paleozoic |
| 'Arqov | Paleozoic | Paleozoic |
| 'Fifth' | Paleozoic | Paleozoic |
| 'First' | Paleozoic | Paleozoic |
| 'Fourth' | Paleozoic | Paleozoic |
| 'Second' | Paleozoic | Paleozoic |
| 'Third' | Paleozoic | Paleozoic |
| 'Ubeidiya | Cenozoic | Cenozoic |
| (?) Malokinelskaya | Paleozoic | Paleozoic |
| 0 | Paleozoic | Paleozoic |
| 1 | Cenozoic | Cenozoic |
| 1a | Paleozoic | Paleozoic |
| 1b | Paleozoic | Paleozoic |
| 1c | Paleozoic | Paleozoic |
| 1d | Paleozoic | Paleozoic |
| 2 | Cenozoic | Cenozoic |
| 2a | Paleozoic | Paleozoic |
| 2b | Paleozoic | Paleozoic |
| 2c | Paleozoic | Paleozoic |