| 
Country:
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USA 
 | 
| 
Province:
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Nevada, Nye Co. 
 | 
| 
Locality:
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CP Hills,Nevada Test Site 
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| 
Layer:
 | 
Scotty Wash Fm., coronatum Z. | 
| 
Lower Boundary:
 | 
GBY H1a--H1b (subglobosum--beyrichianum), 317.9 million years
 
 | 
| 
Upper Boundary:
 | 
GBY H1b-H2a (Hudsonoceras proteus base), 317.7 million years
 
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| 
Georeference:
 | 
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