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
- 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
- Z.-X. Qiu and Z.-D. Qiu. 1995. Chronological sequence and subdivision of Chinese Neogene mammalian faunas. Palaeogeography, Palaeoclimatology, Palaeoecology 116(1-2):41-70 view
- F. M. Gradstein, F. P. Agterberg, J. G. Ogg, J. Hardenbol, P. Van Veen, J. Thierry, and Z. Huang. 1995. A Triassic, Jurassic, and Cretaceous time scale. SEPM Special Publication 54 view
- J. Palfy, P. L. Smith, and J. K. Mortensen. 2000. A U-Pb and 40Ar/39Ar time scale for the Jurassic. Canadian Journal of Earth Sciences 37(6):923-944 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
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 126161 collections
International Chronostratigraphic Timescale | Cambrian of China | Cambrian of Australia | Ordovician of North America | Cambrian of West Avalonia | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
470 | |||||||||||||||
482 | |||||||||||||||
Cambrian | Furongian | Stage 10 | Niuchehean | Taoyuanian † | Datsonian | Ibexian | Skullrockian | 485.4 * | |||||||
Payntonian | 486.8 * | ||||||||||||||
487.5 | |||||||||||||||
Jiangshanian | Jiangshanian | Iverian | 489.5 | ||||||||||||
Paibian | Paibian | Idamean | 494 | ||||||||||||
Waergangian †/Youshuanian | 494.9 * | ||||||||||||||
Miaolingian | Guzhangian | Guzhangian | Wangcunian † | Mindyallan | 497 | ||||||||||
Arcadian | 498.4 | ||||||||||||||
Boomerangian | 499 | ||||||||||||||
Drumian | Drumian | Undillan | 500.5 | ||||||||||||
Floran | 503 | ||||||||||||||
Wuliuan | Wuliuan/Taijangian | Templetonian | 504.5 | ||||||||||||
Ordian | 507.8 * | ||||||||||||||
Series 2 | Stage 4 | Duyunian | Branchian | 509 | |||||||||||
510.8 * | |||||||||||||||
Stage 3 | Nangaoian | 514 | |||||||||||||
Placentian | 517.1 | ||||||||||||||
Terreneuvian | Stage 2 | Meishucunian | 521 | ||||||||||||
Fortunian | 529 | ||||||||||||||
Jinnigian | 530.7 | ||||||||||||||
538.8 |