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
  • 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
  • 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
  • J. A. Lillegraven and M. C. McKenna. 1986. Fossil mammals from the "Mesaverde" Formation (Late Cretaceous, Judithian) of the Bighorn and Wind River basins, Wyoming, with definitions of Late Cretaceous North American Land-Mammal "Ages". American Museum Novitates 2840:1-68 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 127731 collections

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International Chronostratigraphic TimescaleTen Million Year BinsCenozoic SubepochsCretaceous-Cenozoic of New ZealandObsolete Names for ICS Units
0
2.4
NeogenePliocenePiacenzianCenozoic 6Late PlioceneWanganuiMangapanianTertiary †2.58
Waipipian3
ZancleanEarly Pliocene3.6
Opoitian3.7
MioceneMessinianLate MioceneTaranakiKapitean5.333
Tongaporutuan7.2
Tortonian7.246
SouthlandWaiauan11.04
SerravallianCenozoic 5Middle Miocene11.63
Lillburnian13.05
Langhian13.82
Clifdenian15.1
PareoraAltonian15.9
BurdigalianEarly Miocene15.98
Otaian18.7
Aquitanian20.44
LandonWaitakian21.7
23.03
25.2
34.6
66