| 
Country:
 | 
USA 
 | 
| 
Province:
 | 
New Mexico (undifferentiated) 
 | 
| 
Locality:
 | 
Alamogordo, 56 km S of 
 | 
| 
Layer:
 | 
Hueco Fm., up. Sakmarian | 
| 
Lower Boundary:
 | 
Tastubian--Sterlitamakian     [TAS--STE], 290 million years
 
 | 
| 
Upper Boundary:
 | 
Sakmarian--Artinskian         [SAK--ART], 284.4 million years
 
 | 
| 
Georeference:
 | 
 |