| 
Country:
 | 
Germany 
 | 
| 
Province:
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Rhenish Mountains 
 | 
| 
Locality:
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In den Dieken, roadcut 
 | 
| 
Layer:
 | 
U.Viséan Section | 
| 
Lower Boundary:
 | 
DER Goniatites hudsoni base[GBY:B1--B2a], 333.3 million years
 
 | 
| 
Upper Boundary:
 | 
DER Go gamma poststriat.--eisenbergensis, 328 million years
 
 | 
| 
Georeference:
 | 
 |