Asselian age

298.9 - 293.52 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. 2023. The ICS International Chronostratigraphic Chart v2023/09. view

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

This interval is used in the definition of 1880 collections

A total of 1836 collections with 8810 occurrences lie within this time span

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International Chronostratigraphic TimescalePermian of North America
PermianLopingianChanghsingian251.902
Wuchiapingian254.14
GuadalupianCapitanianCapitanian259.51
WordianWordian264.28
RoadianRoadian266.9
CisuralianKungurianLeonardianCathedralian273.01
Hessian281.9 *
Artinskian283.5
WolfcampianLenoxian286.1 *
Sakmarian290.1
AsselianNealian293.52
298.9