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
- M. Freudenthal. 2006. Mammal Paleogene zones. personal communication 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
- 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
- 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
There are 59 timescales which overlap this one. show
Interval names marked with † are no longer in current use.
This timescale is used in the definition of 126662 collections
International Chronostratigraphic Timescale | Mammal Paleogene Zones | North American Land Mammal Ages | ||||||
---|---|---|---|---|---|---|---|---|
18.5 | ||||||||
Paleogene | Oligocene | Chattian | MP 30/MP 29/MP 28/MP 27/MP 26 | MP 25 | Arikareean | 23.03 | ||
Rupelian | MP 24/MP 23/MP 22/MP 21 | 27.82 | ||||||
Whitneyan | 29.5 | |||||||
Orellan | 31.8 | |||||||
Eocene | Priabonian | MP 20/MP 19/MP 18/MP 17B/MP 17A | Chadronian | 33.9 | ||||
Duchesnean | 37 | |||||||
Bartonian | MP 16 | 37.71 | ||||||
Uintan | 39.7 | |||||||
Lutetian | MP 15/MP 14/MP 13/MP 12/MP 11 | 41.2 | ||||||
Bridgerian | 46.2 | |||||||
Ypresian | MP 10/MP 8 + 9/MP 7 | 47.8 | ||||||
Wasatchian | 50.5 | |||||||
Clarkforkian | 54.9 | |||||||
Paleocene | Thanetian | MP 6 | MP 1 - 5 | 56 | ||||
Tiffanian | 56.2 | |||||||
Selandian | 59.2 | |||||||
Torrejonian | 60.9 | |||||||
Danian | 61.6 | |||||||
Puercan | 63.8 | |||||||
66 |