| 
Country:
 | 
Portugal 
 | 
| 
Province:
 | 
Baixo Alentejo 
 | 
| 
Locality:
 | 
Barrada, 600 m SW of 
 | 
| 
Layer:
 | 
Flysch sequence, Mértola Fm. | 
| 
Lower Boundary:
 | 
DER Go beta--gamma, granos.base [P1--P2], 328.2 million years
 
 | 
| 
Upper Boundary:
 | 
DER Go gamma 1-2,liethens.base,P2c base, 327.8 million years
 
 | 
| 
Georeference:
 | 
 |