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, M. D. Schmitz and G. M. Ogg. 2020. Geologic Time Scale 2020 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
- D. H. Erwin and S. A. Bowring. 2004. Cambrian time scale. view
- F. M. Gradstein, J. G. Ogg, and A. G. Smith. 2004. A Geologic Time Scale 2004 1-589 view
- M. O. Woodburne. 1987. A prospectus of the North American Mammal Ages. In: Woodburne, M. O. (ed.), Cenozoic Mammals of North America. University of California Press, Berkelery, CA 285-290 view
- J. Alroy. 2000. New methods for quantifying macroevolutionary patterns and processes. Paleobiology 26(4):707-733 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
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 126144 collections
International Chronostratigraphic Timescale | Cambrian of Siberia | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Cambrian | Furongian | Stage 10 | Batyrbaian | Tavgian † | Ketyan †/Yurakian | 485.4 | |||||
Jiangshanian | 489.5 | ||||||||||
Aksaian | 490.7 * | ||||||||||
Sakian | 492.2 * | ||||||||||
Paibian | 494 | ||||||||||
Ensyan †/Maduan/Nganasanian | 494.7 * | ||||||||||
Miaolingian | Guzhangian | Ayusokkanian | 497 | ||||||||
Mayan/Menevian | 499.5 | ||||||||||
Drumian | 500.5 | ||||||||||
Wuliuan | Amgan/Solvan | 504.5 | |||||||||
Series 2 | Stage 4 | 509 | |||||||||
Toyonian | Lenian † | 510 * | |||||||||
Botomian | 512.5 * | ||||||||||
Stage 3 | 514 | ||||||||||
Atdabanian | 515.6 * | ||||||||||
Terreneuvian | Stage 2 | Tommotian | 521 | ||||||||
Nemakit-Daldynian | 525.5 | ||||||||||
Fortunian | Manykaian † | 529 | |||||||||
538.8 |