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. G. Sennikov and V. K. Golubev. 2006. Vyazniki Biotic Assemblage of the Terminal Permian. Paleontological Journal 40(suppl. 4):S475-S481 view
- F. M. Gradstein, J. G. Ogg, M. D. Schmitz and G. M. Ogg. 2020. Geologic Time Scale 2020 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, and A. G. Smith. 2004. A Geologic Time Scale 2004 1-589 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 126130 collections
International Chronostratigraphic Timescale | Cambrian of Kazakhstan | Cambrian of West Avalonia | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Cambrian | Furongian | Stage 10 | Batyrbaian | 485.4 | |||||||
Jiangshanian | 489.5 | ||||||||||
Aksaian | 490.7 * | ||||||||||
Sakian | 492.2 * | ||||||||||
Paibian | 494 | ||||||||||
Miaolingian | Guzhangian | Ayusokkanian | 497 | ||||||||
Arcadian | 498.4 | ||||||||||
499.5 | |||||||||||
Drumian | Zhanaarykian | 500.5 | |||||||||
Tuesaian | 503 | ||||||||||
Wuliuan | 504.5 | ||||||||||
505.3 | |||||||||||
Series 2 | Stage 4 | Branchian | 509 | ||||||||
Toyonian | 510 * | ||||||||||
Botomian | 512.5 * | ||||||||||
Stage 3 | 514 | ||||||||||
Atdabanian | 515.6 * | ||||||||||
Placentian | 517.1 | ||||||||||
Terreneuvian | Stage 2 | Tommotian | 521 | ||||||||
525.5 | |||||||||||
Fortunian | 529 | ||||||||||
538.8 |