Stratigraphic time
| This age is part of | |
|---|---|
| Phanerozoic | 541 - recent |
| Paleozoic | 541 - 251.902 |
| Carboniferous | 358.9 - 298.9 |
| This age is subdivided to | |
|---|---|
| Gzhelian | 303.7 - 298.9 |
| Kasimovian | 307 - 303.7 |
| Moscovian | 315.2 - 307 |
| Bashkirian | 323.2 - 315.2 |
| Number of records | |
|---|---|
| Taxa | 251 |