Country:
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China
|
Province:
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Yunnan, Baoshan district
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Locality:
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Baoshan Block, West Yunnan
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Layer:
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Qingshuigou Fm., Tn3 or early Viséan |
Lower Boundary:
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mid.Tournais.--up.Tournaisian [Tn2--Tn3], 353 million years
|
Upper Boundary:
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Bollandoc./Bollandit.--Beyrichoceras BZ, 334.5 million years
|
Georeference:
|
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