| 
Country:
 | 
USA 
 | 
| 
Province:
 | 
Arkansas, Washington Co. 
 | 
| 
Locality:
 | 
Wyman 
 | 
| 
Layer:
 | 
Fayetteville Fm., basal part | 
| 
Lower Boundary:
 | 
UAR Batesville--basal Fayetteville, 327.2 million years
 
 | 
| 
Upper Boundary:
 | 
UAR basal--lower shale of Fayetteville, 327 million years
 
 | 
| 
Georeference:
 | 
 |