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
- F. M. Gradstein, J. G. Ogg, and A. G. Smith. 2004. A Geologic Time Scale 2004 1-589 view
- A. G. Sennikov and V. K. Golubev. 2006. Vyazniki Biotic Assemblage of the Terminal Permian. Paleontological Journal 40(suppl. 4):S475-S481 view
- D. H. Erwin and S. A. Bowring. 2004. Cambrian time scale. view
- J. I. Raine, A. G. Beu, A. F. Boyes, H. J. Campbell, R. A. Cooper, J. S. Crampton, M. P. Crundwell, C. J. Hollis, and H. E. G. Morgans. 2015. Revised Calibration of the New Zealand Geological Timescale: NZGT2015/1. GNS Science Report 2012(39) 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 126197 collections
International Chronostratigraphic Timescale | Cambrian of Australia | Cambrian of Siberia | Obsolete Names for ICS Units | Cambrian of China | Cambrian of North America | ||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Cambrian | Furongian | Stage 10 | Datsonian | Batyrbaian | Tavgian † | Ketyan †/Yurakian | Niuchehean | Taoyuanian † | Franconian †/Dresbachian/Millardan | 485.4 | |||||||||||
Payntonian | 486.8 * | ||||||||||||||||||||
Sunwaptan | 487.5 | ||||||||||||||||||||
Jiangshanian | Iverian | Jiangshanian | 489.5 | ||||||||||||||||||
Aksaian | 490.7 * | ||||||||||||||||||||
Sakian | 492.2 * | ||||||||||||||||||||
Steptoean | 493 * | ||||||||||||||||||||
Paibian | Idamean | Paibian | 494 | ||||||||||||||||||
Ensyan †/Maduan/Nganasanian | 494.7 * | ||||||||||||||||||||
Waergangian †/Youshuanian | 494.9 * | ||||||||||||||||||||
Miaolingian | Guzhangian | Mindyallan | Ayusokkanian | Series 3 † | Guzhangian | Wangcunian † | Marjumian | Albertian † | 497 | ||||||||||||
Boomerangian | 499 | ||||||||||||||||||||
Mayan/Menevian | 499.5 | ||||||||||||||||||||
Drumian | Undillan | Drumian | 500.5 | ||||||||||||||||||
Floran | 503 | ||||||||||||||||||||
Wuliuan | Templetonian | Amgan/Solvan | Stage 5 † | Wuliuan/Taijangian | Topazan | 504.5 | |||||||||||||||
Delamaran | 506.5 | ||||||||||||||||||||
Ordian | 507.8 * | ||||||||||||||||||||
Series 2 | Stage 4 | Duyunian | Waucoban † | 509 | |||||||||||||||||
Toyonian | Lenian † | 510 * | |||||||||||||||||||
510.8 * | |||||||||||||||||||||
Dyeran | 511 * | ||||||||||||||||||||
Botomian | 512.5 * | ||||||||||||||||||||
Stage 3 | Nangaoian | 514 | |||||||||||||||||||
Montezuman | 514.8 * | ||||||||||||||||||||
Atdabanian | 515.6 * | ||||||||||||||||||||
Begadean | 519.9 * | ||||||||||||||||||||
Terreneuvian | Stage 2 | Tommotian | Meishucunian | 521 | |||||||||||||||||
Nemakit-Daldynian | 525.5 | ||||||||||||||||||||
Fortunian | Manykaian † | 529 | |||||||||||||||||||
Jinnigian | 530.7 | ||||||||||||||||||||
538.8 |