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
  • J. Meng and M. C. McKenna. 1998. Faunal turnovers of Paleogene mammals from the Mongolian Plateau. Nature 394:364-367 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
  • P. L. Gibbard, M. J. Head, and M. J. C. Walker. 2010. Formal ratification of the Quaternary System/Period and the Pleistocene Series/Epoch with a base at 2.58 Ma. Journal of Quaternary Science 25(2):96-102 view
  • M. Freudenthal. 2006. Mammal Paleogene zones. personal communication 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 125929 collections

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International Chronostratigraphic TimescalePaleogene Mammal Ages of AsiaMammal Paleogene ZonesCenozoic Subepochs
PaleogeneOligoceneChattianTabenbulakianHsandagolianMP 30/MP 29/MP 28/MP 27/MP 26MP 25Late Oligocene23.03
RupelianKekeamuanMP 24/MP 23/MP 22/MP 21Early Oligocene27.82
EocenePriabonianHouldjinian/Ergilian/UlangochuianMP 20/MP 19/MP 18/MP 17B/MP 17ALate Eocene33.9
BartonianSharamurunian/Irdinmanhan/ArshantanMP 16Middle Eocene37.71
LutetianMP 15/MP 14/MP 13/MP 12/MP 1141.2
YpresianBumbanianMP 10/MP 8 + 9/MP 7Early Eocene47.8
PaleoceneThanetianGashatanMP 6MP 1 - 5Late Paleocene56
SelandianMiddle Paleocene59.2
DanianEarly Paleocene61.6
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