| Country: | Russian Federation   | 
| Province: | South Urals (undifferentiated)   | 
| Locality: | Sikashta River   | 
| Layer: | do III-IV | 
| Lower Boundary: | UD3B--UD3C:(delphinus Zone base) [14,55], 368 million years   | 
| Upper Boundary: | UD4A--UD4B: dunkeri Zone base    [15,55], 366.8 million years   | 
| Georeference: |  |