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
- F. M. Gradstein, J. G. Ogg, and A. G. Smith. 2004. A Geologic Time Scale 2004 1-589 view
- J. A. Lillegraven and M. C. McKenna. 1986. Fossil mammals from the "Mesaverde" Formation (Late Cretaceous, Judithian) of the Bighorn and Wind River basins, Wyoming, with definitions of Late Cretaceous North American Land-Mammal "Ages". American Museum Novitates 2840:1-68 view
- P. L. Gibbard, M. J. Head, and M. J. C. Walker. 2010. Formal ratification of the Quaternary System/Period and the Pleistocene Series/Epoch with a base at 2.58 Ma. Journal of Quaternary Science 25(2):96-102 view
- F. M. Gradstein, J. G. Ogg, M. D. Schmitz and G. M. Ogg. 2020. Geologic Time Scale 2020 view
There are 59 timescales which overlap this one. show
Interval names marked with † are no longer in current use.
This timescale is used in the definition of 126668 collections
| International Chronostratigraphic Timescale | Cambrian of West Avalonia | ||||||
|---|---|---|---|---|---|---|---|
| Cambrian | Furongian | Stage 10 | 485.4 | ||||
| Jiangshanian | 489.5 | ||||||
| Paibian | 494 | ||||||
| Miaolingian | Guzhangian | 497 | |||||
| Arcadian | 498.4 | ||||||
| Drumian | 500.5 | ||||||
| Wuliuan | 504.5 | ||||||
| Series 2 | Stage 4 | Branchian | 509 | ||||
| Stage 3 | 514 | ||||||
| Placentian | 517.1 | ||||||
| Terreneuvian | Stage 2 | 521 | |||||
| Fortunian | 529 | ||||||
| 538.8 | |||||||