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, F. P. Agterberg, J. G. Ogg, J. Hardenbol, P. Van Veen, J. Thierry, and Z. Huang. 1995. A Triassic, Jurassic, and Cretaceous time scale. SEPM Special Publication 54 view
- F. M. Gradstein, J. G. Ogg, M. D. Schmitz and G. M. Ogg. 2020. Geologic Time Scale 2020 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
- A. G. Sennikov and V. K. Golubev. 2006. Vyazniki Biotic Assemblage of the Terminal Permian. Paleontological Journal 40(suppl. 4):S475-S481 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
- 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 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.
This timescale is used in the definition of 127252 collections
International Chronostratigraphic Timescale | North American Land Mammal Ages | ||||||
---|---|---|---|---|---|---|---|
18.5 | |||||||
Paleogene | Oligocene | Chattian | Arikareean | 23.03 | |||
Rupelian | 27.82 | ||||||
Whitneyan | 29.5 | ||||||
Orellan | 31.8 | ||||||
Eocene | Priabonian | Chadronian | 33.9 | ||||
Duchesnean | 37 | ||||||
Bartonian | 37.71 | ||||||
Uintan | 39.7 | ||||||
Lutetian | 41.2 | ||||||
Bridgerian | 46.2 | ||||||
Ypresian | 47.8 | ||||||
Wasatchian | 50.5 | ||||||
Clarkforkian | 54.9 | ||||||
Paleocene | Thanetian | 56 | |||||
Tiffanian | 56.2 | ||||||
Selandian | 59.2 | ||||||
Torrejonian | 60.9 | ||||||
Danian | 61.6 | ||||||
Puercan | 63.8 | ||||||
66 |