| 
Country:
 | 
USA 
 | 
| 
Province:
 | 
Oklahoma, Hughes Co. 
 | 
| 
Locality:
 | 
Wewoka East, OKM-39 
 | 
| 
Layer:
 | 
Coffeyville Fm., basal Tacket shale bed | 
| 
Lower Boundary:
 | 
UOK Coffeyville Fm. base, 306.2 million years
 
 | 
| 
Upper Boundary:
 | 
UOK Coffeyville Fm. top, 305.9 million years
 
 | 
| 
Georeference:
 | 
 |