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
- F. M. Gradstein, J. G. Ogg, and A. G. Smith. 2004. A Geologic Time Scale 2004 1-589 view
- F. F. Steininger, W. A. Berggren, D. V. Kent, R. L. Bernor, S. Sen and J. Agusti. 1996. Circum-Mediterranean Neogene (Miocene and Pliocene) marine-continental chronologic correlations of European mammal units. The Evolution of Western Eurasian Neogene Mammal Faunas (eds. R. L. Bernor, V. Fahlbusch, and H.-W. Mittmann) 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 126973 collections
International Chronostratigraphic Timescale | Ten Million Year Bins | Cambrian of China | Cambrian of Britain | Cambrian of North America | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Cambrian | Furongian | Stage 10 | Cambrian 5 | Niuchehean | Taoyuanian † | Merioneth | Dolgellian/Trempealeauan | Franconian †/Dresbachian/Millardan | 485.4 | |||||
Sunwaptan | 487.5 | |||||||||||||
Festiniogian | 489.2 * | |||||||||||||
Jiangshanian | Jiangshanian | 489.5 | ||||||||||||
Steptoean | 493 * | |||||||||||||
Maentwrogian | 493.1 * | |||||||||||||
Paibian | Paibian | 494 | ||||||||||||
Waergangian †/Youshuanian | 494.9 * | |||||||||||||
Miaolingian | Guzhangian | Cambrian 4 | Guzhangian | Wangcunian † | St Davids | Marjumian | Albertian † | 497 | ||||||
Drumian | Drumian | 500.5 | ||||||||||||
Wuliuan | Cambrian 3 | Wuliuan/Taijangian | Topazan | 504.5 | ||||||||||
Delamaran | 506.5 | |||||||||||||
Series 2 | Stage 4 | Duyunian | Caerfai | Waucoban † | 509 | |||||||||
Dyeran | 511 * | |||||||||||||
Stage 3 | Cambrian 2 | Nangaoian | 514 | |||||||||||
Montezuman | 514.8 * | |||||||||||||
Begadean | 519.9 * | |||||||||||||
Terreneuvian | Stage 2 | Meishucunian | 521 | |||||||||||
Fortunian | Cambrian 1 | 529 | ||||||||||||
Jinnigian | 530.7 | |||||||||||||
538.8 |