Country:
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Great Britain
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Province:
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England,Lancashire
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Locality:
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Gressingham Beck
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Layer:
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nodular limestone in the Cravenoceras gr |
Lower Boundary:
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Pendleian--Arnsbergian [PND--ARN], 324 million years
|
Upper Boundary:
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GBY E2a1--E2a2 (cowlingense--bisulcatum), 323.5 million years
|
Georeference:
|
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