| 
Country:
 | 
Germany 
 | 
| 
Province:
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Rhenish Mountains 
 | 
| 
Locality:
 | 
Hemfurth energy station 
 | 
| 
Layer:
 | 
"III beta 4" of Pickel | 
| 
Lower Boundary:
 | 
DER Go beta falcatus--Go beta gracilis, 329.1 million years
 
 | 
| 
Upper Boundary:
 | 
DER Go beta gracilis Z.--spirale Z. [13., 328.8 million years
 
 | 
| 
Georeference:
 | 
 |