| 
Country:
 | 
Great Britain 
 | 
| 
Province:
 | 
England,Devonshire 
 | 
| 
Locality:
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Torquay, Lummaton quarry 
 | 
| 
Layer:
 | 
terebratum Zone | 
| 
Lower Boundary:
 | 
ensensis--hemiansatus Zone       [08,20], 391.8 million years
 
 | 
| 
Upper Boundary:
 | 
mid.--up.varcus Zone             [17,00], 389 million years
 
 | 
| 
Georeference:
 | 
 |