| 
Country:
 | 
Spain 
 | 
| 
Province:
 | 
Palencia,Pisuerga Region 
 | 
| 
Locality:
 | 
Villanueva de la Torre 
 | 
| 
Layer:
 | 
Nodular, Bit.lmst.,Griotte | 
| 
Lower Boundary:
 | 
mid.Tournais.--up.Tournaisian [Tn2--Tn3], 353 million years
 
 | 
| 
Upper Boundary:
 | 
Tournaisian--Visean           [TOU--VIS], 345.3 million years
 
 | 
| 
Georeference:
 | 
 |