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
  • 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
  • J. Meng and M. C. McKenna. 1998. Faunal turnovers of Paleogene mammals from the Mongolian Plateau. Nature 394:364-367 view

There are 59 timescales which overlap this one. show

This timescale is used in the definition of 127262 collections

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International Chronostratigraphic TimescaleCretaceous-Cenozoic of New ZealandPaleogene Mammal Ages of Asia
21.7
PaleogeneOligoceneChattianLandonWaitakianTabenbulakianHsandagolian23.03
Duntroonian25.2
Whaingaroan27.3
RupelianKekeamuan27.82
EocenePriabonianHouldjinian/Ergilian/Ulangochuian33.9
ArnoldRunangan34.6
Kaiatan36.7
BartonianSharamurunian/Irdinmanhan/Arshantan37.71
Bortonian39.1
Lutetian41.2
DannevirkePorangan42.6
Heretaungan45.7
YpresianBumbanian47.8
Mangaorapan48.9
Waipawan52
PaleoceneThanetianTeurianGashatan56
Selandian59.2
Danian61.6
66