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Stage: Asselian (298.9 - 293.52 Ma) (chronostratigraphic unit)
Classification by:

stratigraphic intervals
   (System) †Permian (298.9 - 251.902 Ma)
     (Series) †Lower
       (Stage) †Asselian (298.9 - 293.52 Ma)
         1 (Substage) †Upper
         2 (Substage) †Lower

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Last updated: 1 Feb 2024