Pennsylvanian epoch

323.4 - 298.9 Ma

The definition of this interval in the timescale International Chronostratigraphic Timescale is taken from the following source:

  • 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

There are intervals in 8 timescales which overlap this one. show

This interval is used in the definition of 260 collections

A total of 5653 collections with 39003 occurrences lie within this time span

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International Chronostratigraphic Timescale
CarboniferousPennsylvanianGzhelian298.9
Kasimovian303.7
Moscovian307
Bashkirian315.2
MississippianSerpukhovian323.4
Visean330.3
Tournaisian346.7
358.86