| 
Country:
 | 
Great Britain 
 | 
| 
Province:
 | 
England,Devonshire 
 | 
| 
Locality:
 | 
Barnstaple, near Mount Standford 
 | 
| 
Layer:
 | 
Pilton Beds | 
| 
Lower Boundary:
 | 
low.Tournais.--mid.Tournais.  [Tn1--Tn2], 357.5 million years
 
 | 
| 
Upper Boundary:
 | 
Tournaisian--Visean           [TOU--VIS], 345.3 million years
 
 | 
| 
Georeference:
 | 
 |