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Country:
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USA 
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Province:
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Oklahoma, Seminole Co. 
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Locality:
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Sasakwa, OKM-15 
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Layer:
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Coffeyville Fm.,basal Tacket shale | 
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Lower Boundary:
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UOK Coffeyville Fm. base, 306.2 million years
 
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Upper Boundary:
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UOK Coffeyville Fm. top, 305.9 million years
 
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Georeference:
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