|Stratotype Point Base of Olenekian
|Base of Bed 13A-2, about 4.8m up in Mikin Formation., Section M04 (~4000 m elevation)
|Candidate Stratotype Point Mud (Muth) village, Spiti valley, northwest India
|Conodont FAD Neospathodus waageni, just above Base of Rohillites rohilla ammonite zone, and below lowest occurrence of Flemingites and Euflemingites ammonite genera. Within a prominent positive Carbon-13 peak, and just above widely recognizable sequence boundary.
|Albertiana 36, 2007
|Location of Stratotype Point Base of Olenekian original