Late Devonian epoch - Visean age
| International Chronostratigraphic Timescale | |||
|---|---|---|---|
| Carboniferous | Pennsylvanian | Gzhelian | 298.9 |
| Kasimovian | 303.7 | ||
| Moscovian | 307 | ||
| Bashkirian | 315.2 | ||
| Mississippian | Serpukhovian | 323.4 | |
| Visean | 330.3 | ||
| Tournaisian | 346.7 | ||
| Devonian | Late Devonian | Famennian | 358.86 |
| Frasnian | 372.15 | ||
| Middle Devonian | Givetian | 382.31 | |
| Eifelian | 387.95 | ||
| Early Devonian | Emsian | 393.47 | |
| Pragian | 410.62 | ||
| Lochkovian | 413.02 | ||
| 419.62 | |||