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. 2024. The ICS International Chronostratigraphic Chart v2024/12. International Commission on Stratigraphy view
  • M. Freudenthal. 2006. Mammal Paleogene zones. personal communication view

There are 61 timescales which overlap this one. show

This timescale is used in the definition of 128975 collections

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International Chronostratigraphic TimescaleMammal Paleogene Zones
PaleogeneOligoceneChattianMP 30/MP 29/MP 28/MP 27/MP 26/MP 2523.04
RupelianMP 24/MP 23/MP 22/MP 2127.3
EocenePriabonianMP 20/MP 19/MP 18/MP 17B/MP 17A33.9
BartonianMP 1637.71
LutetianMP 15/MP 14/MP 13/MP 12/MP 1141.03
YpresianMP 10/MP 8 + 9/MP 748.07
PaleoceneThanetianMP 656
Selandian59.24
Danian61.66
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