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. 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
- 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 126148 collections
International Chronostratigraphic Timescale | Cenozoic Subepochs | North American Land Mammal Ages | Cretaceous-Cenozoic of New Zealand | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
18.5 | ||||||||||||
21.7 | ||||||||||||
Paleogene | Oligocene | Chattian | Late Oligocene | Arikareean | Landon | Waitakian | 23.03 | |||||
Duntroonian | 25.2 | |||||||||||
Whaingaroan | 27.3 | |||||||||||
Rupelian | Early Oligocene | 27.82 | ||||||||||
Whitneyan | 29.5 | |||||||||||
Orellan | 31.8 | |||||||||||
Eocene | Priabonian | Late Eocene | Chadronian | 33.9 | ||||||||
Arnold | Runangan | 34.6 | ||||||||||
Kaiatan | 36.7 | |||||||||||
Duchesnean | 37 | |||||||||||
Bartonian | Middle Eocene | 37.71 | ||||||||||
Bortonian | 39.1 | |||||||||||
Uintan | 39.7 | |||||||||||
Lutetian | 41.2 | |||||||||||
Dannevirke | Porangan | 42.6 | ||||||||||
Heretaungan | 45.7 | |||||||||||
Bridgerian | 46.2 | |||||||||||
Ypresian | Early Eocene | 47.8 | ||||||||||
Mangaorapan | 48.9 | |||||||||||
Wasatchian | 50.5 | |||||||||||
Waipawan | 52 | |||||||||||
Clarkforkian | 54.9 | |||||||||||
Paleocene | Thanetian | Late Paleocene | Teurian | 56 | ||||||||
Tiffanian | 56.2 | |||||||||||
Selandian | Middle Paleocene | 59.2 | ||||||||||
Torrejonian | 60.9 | |||||||||||
Danian | Early Paleocene | 61.6 | ||||||||||
Puercan | 63.8 | |||||||||||
66 |