| 
Country:
 | 
Great Britain 
 | 
| 
Province:
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England,Lancashire 
 | 
| 
Locality:
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Sykes Knoll,quarry 0.7 km SE Hey House 
 | 
| 
Layer:
 | 
Clitheroe Limestone Fm. | 
| 
Lower Boundary:
 | 
Pericyclus--Fasciperic./Ammonellips.BZ, 348.5 million years
 
 | 
| 
Upper Boundary:
 | 
GBY lower--upper Chadian           [CHD], 345.3 million years
 
 | 
| 
Georeference:
 | 
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