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
- 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
- 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
- M. Harzhauser and W. E. Piller. 2004. Integrated stratigraphy of the Sarmatian (Upper Middle Miocene) in the western Central Paratethys. Stratigraphy 1(1):65-86 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
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 126150 collections
International Chronostratigraphic Timescale | Ordovician of North America | Cambrian of North America | Cambrian of Australia | Cambrian of Kazakhstan | Obsolete Names for ICS Units | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
470 | ||||||||||||||
482 | ||||||||||||||
Cambrian | Furongian | Stage 10 | Ibexian | Skullrockian | Franconian †/Dresbachian/Millardan | Datsonian | Batyrbaian | 485.4 * | ||||||
Payntonian | 486.8 * | |||||||||||||
Sunwaptan | 487.5 | |||||||||||||
Jiangshanian | Iverian | 489.5 | ||||||||||||
Aksaian | 490.7 * | |||||||||||||
Sakian | 492.2 * | |||||||||||||
Steptoean | 493 * | |||||||||||||
Paibian | Idamean | 494 | ||||||||||||
Miaolingian | Guzhangian | Marjumian | Albertian † | Mindyallan | Ayusokkanian | Series 3 † | 497 | |||||||
Boomerangian | 499 | |||||||||||||
499.5 | ||||||||||||||
Drumian | Undillan | Zhanaarykian | 500.5 | |||||||||||
Floran | Tuesaian | 503 | ||||||||||||
Wuliuan | Topazan | Templetonian | Stage 5 † | 504.5 | ||||||||||
505.3 | ||||||||||||||
Delamaran | 506.5 | |||||||||||||
Ordian | 507.8 * | |||||||||||||
Series 2 | Stage 4 | Waucoban † | 509 | |||||||||||
Toyonian | 510 * | |||||||||||||
510.8 * | ||||||||||||||
Dyeran | 511 * | |||||||||||||
Botomian | 512.5 * | |||||||||||||
Stage 3 | 514 | |||||||||||||
Montezuman | 514.8 * | |||||||||||||
Atdabanian | 515.6 * | |||||||||||||
Begadean | 519.9 * | |||||||||||||
Terreneuvian | Stage 2 | Tommotian | 521 | |||||||||||
525.5 | ||||||||||||||
Fortunian | 529 | |||||||||||||
538.8 |