Country:
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Vietnam
|
Province:
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Tonkin
|
Locality:
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Khuoi Xu, Ha-Lang
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Layer:
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Devonian, unrecognized |
Lower Boundary:
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LD3B base:Anetocer.Range Z. base [12,10], 406.4 million years
|
Upper Boundary:
|
Gyroceratites laevis base [13,00], 404.8 million years
|
Georeference:
|
|