| 
Country:
 | 
Portugal 
 | 
| 
Province:
 | 
Southwest Portugal 
 | 
| 
Locality:
 | 
Choca,300m W of,near Sao Marcos da Serra 
 | 
| 
Layer:
 | 
Quebradas Fm., unrecorded | 
| 
Lower Boundary:
 | 
Marsdenian--Yeadonian         [MRD--YEA], 313.8 million years
 
 | 
| 
Upper Boundary:
 | 
Yeadonian--Langsettian, Westph.A [YEA--, 313 million years
 
 | 
| 
Georeference:
 | 
 |