The revised definition of the GSSP for the base of the Wuchiapingian stage has been approved by SPS

A call to vote on the revised definition of the Global Stratotype Section and Point (GSSP) defining the base of the Wuchiapingian Stage of the Permian System was sent to the SPS Voting Members on 15th March 2023, with the request that votes be returned by 16th April 2023.

The result is a 17-2 vote in favour (89.47%). The revised Global Stratotype Section and Point (GSSP) for the base of the Wuchiapingian Stage (Permian System), defined at the base of Bed n6L in the newly exposed Penglaitan section and correlated by the first appearance datum (FAD) of the conodont C. postbitteri sensu lato within the lineage Jinogondolella grantiClarkina postbitteriC. dukouensis, has been accepted by the Subcommission on Permian Stratigraphy and will be forwarded to ICS.