| Country: | Russian Federation   | 
| Province: | Verkhoyan,W.   | 
| Locality: | Uyana River, 3,5km below Uchagandzha riv   | 
| Layer: | Delenzhinskaya or Cherkambul'skaya Svita | 
| Lower Boundary: | Kungurian/Leonardian--Roadian [KUN--ROA], 270.6 million years   | 
| Upper Boundary: | Roadian--Wordian (Murgabian) [ROA--WOR], 268 million years   | 
| Georeference: |  |