Llandovery epoch
443.8 - 433.4 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 938 collections
A total of 3762 collections with 25661 occurrences lie within this time span
International Chronostratigraphic Timescale | Silurian of North America | |||||
---|---|---|---|---|---|---|
Silurian | Pridoli | Cayugan | 419.2 | |||
Niagaran | 422.5 * | |||||
Ludlow | Ludfordian | 423 | ||||
Gorstian | 425.6 | |||||
Wenlock | Homerian | Lockportian | 427.4 | |||
Sheinwoodian | 430.5 | |||||
Llandovery | Telychian | Ontarian | 433.4 | |||
Aeronian | 438.5 | |||||
Alexandrian | 438.7 * | |||||
Medinan | Clinton | 440.1 * | ||||
440.7 * | ||||||
Rhuddanian | 440.8 | |||||
443.8 |