| 
Country:
 | 
USA 
 | 
| 
Province:
 | 
Arkansas, Van Buren Co. 
 | 
| 
Locality:
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Clinton, 5 mls SE of 
 | 
| 
Layer:
 | 
Trace Creek Shale or lower Winslow Fm. | 
| 
Lower Boundary:
 | 
UOK Kessler/disconform., Diabolocer.base, 311.1 million years
 
 | 
| 
Upper Boundary:
 | 
U  Morrowan (Bloydian)--Atokan[MOR--ATO], 310.4 million years
 
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| 
Georeference:
 | 
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