International Chronostratigraphic Timescale
The interval definitions in this timescale are derived from the following sources:
- K. M. Cohen, S.C. Finney, P.L. Gibbard and J.-X. Fan. 2023. The ICS International Chronostratigraphic Chart v2023/09. view
- A. D. Barnosky, M. Holmes, R. Kirchholtes, E. Lindsey, K.C. Maguire, A.W. Poust, M.A. Stegner, J. Sunseri, B. Swartz, J. Swift, N.A. Villavicencio and G. Wogan. 2014. Prelude to the Anthropocene: Two new North American Land Mammal Ages (NALMAs). The Anthropocene Review I(3):225-242 view
- F. M. Gradstein, J. G. Ogg, M. D. Schmitz and G. M. Ogg. 2020. Geologic Time Scale 2020 view
- M. Kretzoi. 1942. Necroteuthis n. g. (Ceph. Dibr., Necroteuthidae N. F.) aus dem Oligozän von Budapest und das system der Dibranchiata. Földtani Közlöny 72:125-238 view
- W. B. Harland, R. L. Armstrong, A. V. Cox, L. E. Craig, A. G. Smith and D. G. Smith. 1990. A Geologic Time Scale 1989. view
There are 59 timescales which overlap this one. show
Interval boundaries marked with * have been interpolated based on the differences between the ages for international timescale boundaries quoted in the source and the currently accepted ages for those boundaries.
Interval names marked with † are no longer in current use.
This timescale is used in the definition of 127017 collections
| International Chronostratigraphic Timescale | Silurian of the Baltic | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Silurian | Pridoli | Ohesaare | 419.2 | |||||||
| Kaugetuma | 421.7 * | |||||||||
| Ludlow | Ludfordian | Kuressaare | 423 | |||||||
| Paadla | 423.4 * | |||||||||
| Gorstian | 425.6 | |||||||||
| Wenlock | Homerian | Rootsikula | 427.4 | |||||||
| Jaagarahu | 429.2 * | |||||||||
| Sheinwoodian | 430.5 | |||||||||
| Jaani | 431.8 * | |||||||||
| Llandovery | Telychian | 433.4 | ||||||||
| Adavere | 434 * | |||||||||
| Aeronian | 438.5 | |||||||||
| Raikkula | 439.4 * | |||||||||
| Rhuddanian | 440.8 | |||||||||
| Juuru | 441.4 * | |||||||||
| 443.8 | ||||||||||