| 
Country:
 | 
Germany 
 | 
| 
Province:
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Rhenish Mountains 
 | 
| 
Locality:
 | 
Letmathe, N of, Schälk, Grürmannsheide 
 | 
| 
Layer:
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unrecognized | 
| 
Lower Boundary:
 | 
UD5C--UD6A1: Sphenoclym.brevispina base, 364 million years
 
 | 
| 
Upper Boundary:
 | 
low.Tournais.--mid.Tournais.  [Tn1--Tn2], 357.5 million years
 
 | 
| 
Georeference:
 | 
 |