| 
Country:
 | 
Great Britain 
 | 
| 
Province:
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England,Lancashire 
 | 
| 
Locality:
 | 
Roughlee 
 | 
| 
Layer:
 | 
H2b | 
| 
Lower Boundary:
 | 
GBY H2a--H2b (Hu.proteus--Ho.undulatum), 317.5 million years
 
 | 
| 
Upper Boundary:
 | 
GBY H2b--H2c (undulatum--V.eostriolatus), 317.4 million years
 
 | 
| 
Georeference:
 | 
 |