Norian age

227.3 - 205.7 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 3 timescales which overlap this one. show

This interval is used in the definition of 2147 collections

A total of 4284 collections with 23627 occurrences lie within this time span

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International Chronostratigraphic Timescale
TriassicLate TriassicRhaetian201.4
Norian205.7
Carnian227.3
Middle TriassicLadinian237
Anisian241.464
Early TriassicOlenekian246.7
Induan249.9
251.902