Ludfordian age
425.6 - 423 Ma
The definition of this interval in the timescale International Chronostratigraphic Timescale is taken from the following source:
- K. M. Cohen, S.C. Finney, P.L. Gibbard and J.-X. Fan. 2023. The ICS International Chronostratigraphic Chart v2023/09. view
There are intervals in 4 timescales which overlap this one. show
This interval is used in the definition of 834 collections
A total of 1276 collections with 9456 occurrences lie within this time span
International Chronostratigraphic Timescale | Silurian of England | ||||
---|---|---|---|---|---|
Silurian | Pridoli | Red Downtonian/Temeside Shales/Downton Castle | Whitcliffe/Leintwardine | 419.2 | |
Bringewood/Elton | 421.3 | ||||
Ludlow | Ludfordian | Coalbrookdale | Wenlock (England)/Tickwood | 423 | |
Gorstian | 425.6 | ||||
Buildwas | 426.4 * | ||||
Wenlock | Homerian | 427.4 | |||
Wych | Woolhope | 428.4 * | |||
Sheinwoodian | 430.5 | ||||
Llandovery | Telychian | 433.4 | |||
436.3 * | |||||
Aeronian | 438.5 | ||||
Cowleigh Park | 439.3 * | ||||
Rhuddanian | 440.8 | ||||
443.8 |