Rhuddanian age - Telychian age
| International Chronostratigraphic Timescale | |||
|---|---|---|---|
| Silurian | Pridoli | 419.62 | |
| Ludlow | Ludfordian | 422.7 | |
| Gorstian | 425 | ||
| Wenlock | Homerian | 426.7 | |
| Sheinwoodian | 430.6 | ||
| Llandovery | Telychian | 432.9 | |
| Aeronian | 438.6 | ||
| Rhuddanian | 440.5 | ||
| 443.1 | |||
| International Chronostratigraphic Timescale | |||
|---|---|---|---|
| Silurian | Pridoli | 419.62 | |
| Ludlow | Ludfordian | 422.7 | |
| Gorstian | 425 | ||
| Wenlock | Homerian | 426.7 | |
| Sheinwoodian | 430.6 | ||
| Llandovery | Telychian | 432.9 | |
| Aeronian | 438.6 | ||
| Rhuddanian | 440.5 | ||
| 443.1 | |||