| 
Country:
 | 
China 
 | 
| 
Province:
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Guizhou, Huishui 
 | 
| 
Locality:
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Wangyou, Shuiku 
 | 
| 
Layer:
 | 
Wangyou-Formation undivided | 
| 
Lower Boundary:
 | 
UD6E--UD6F:Cym.nigra--A.prorsum  [19,40], 360 million years
 
 | 
| 
Upper Boundary:
 | 
low.Tournais.--mid.Tournais.  [Tn1--Tn2], 357.5 million years
 
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| 
Georeference:
 | 
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