| 
Country:
 | 
USA 
 | 
| 
Province:
 | 
Arizona, Cochise Co. 
 | 
| 
Locality:
 | 
Cochise Co. (central), USGS Loc.8505 
 | 
| 
Layer:
 | 
lower Colina Lst. | 
| 
Lower Boundary:
 | 
Kungurian/Leonardian--Roadian [KUN--ROA], 270.6 million years
 
 | 
| 
Upper Boundary:
 | 
Roadian--Wordian (Murgabian) [ROA--WOR], 268 million years
 
 | 
| 
Georeference:
 | 
 |