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. 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
  • 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
  • F. M. Gradstein, J. G. Ogg, M. D. Schmitz and G. M. Ogg. 2020. Geologic Time Scale 2020 view
  • Z.-X. Qiu and Z.-D. Qiu. 1995. Chronological sequence and subdivision of Chinese Neogene mammalian faunas. Palaeogeography, Palaeoclimatology, Palaeoecology 116(1-2):41-70 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 126650 collections

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International Chronostratigraphic TimescaleNorth American Mammal Subages/ZonesCretaceous-Cenozoic of New ZealandNorth American Land Mammal AgesNeogene Mammal Ages of China
0
1.4
2.4
NeogenePliocenePiacenzianSenecan/RexroadianWanganuiMangapanianBlancanYushean2.58
Waipipian3
Zanclean3.6
Opoitian3.7
Late Hemphillian/late Early Hemphillian/early Early HemphillianHemphillian4.7
Baodean4.9
MioceneMessinianTaranakiKapitean5.333
Tongaporutuan7.2
Tortonian7.246
Late Clarendonian/Early ClarendonianClarendonian9.4
SouthlandWaiauan11.04
Tunggurian11.1
Serravallian11.63
late Late Barstovian/early Late Barstovian/Early BarstovianBarstovian12.5
Lillburnian13.05
LanghianShanwangian13.82
Clifdenian15.1
PareoraAltonian15.9
Burdigalian15.98
Late Hemingfordian/Early HemingfordianHemingfordian16.3
Xiejiaan16.9
late Late Arikareean/early Late Arikareean/late Early Arikareean/early Early Arikareean/HarrisonianArikareean18.5
Otaian18.7
Aquitanian20.44
LandonWaitakian21.7
23.03 *
23.1
25.2
29.5
34.6