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. 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
- 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
There are 59 timescales which overlap this one. show
This timescale is used in the definition of 126679 collections
International Chronostratigraphic Timescale | North American Land Mammal Ages | Cenozoic Subepochs | ||||
---|---|---|---|---|---|---|
18.5 | ||||||
Paleogene | Oligocene | Chattian | Arikareean | Late Oligocene | 23.03 | |
Rupelian | Early Oligocene | 27.82 | ||||
Whitneyan | 29.5 | |||||
Orellan | 31.8 | |||||
Eocene | Priabonian | Chadronian | Late Eocene | 33.9 | ||
Duchesnean | 37 | |||||
Bartonian | Middle Eocene | 37.71 | ||||
Uintan | 39.7 | |||||
Lutetian | 41.2 | |||||
Bridgerian | 46.2 | |||||
Ypresian | Early Eocene | 47.8 | ||||
Wasatchian | 50.5 | |||||
Clarkforkian | 54.9 | |||||
Paleocene | Thanetian | Late Paleocene | 56 | |||
Tiffanian | 56.2 | |||||
Selandian | Middle Paleocene | 59.2 | ||||
Torrejonian | 60.9 | |||||
Danian | Early Paleocene | 61.6 | ||||
Puercan | 63.8 | |||||
66 |