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Suborder:
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Prolecanitina 
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| 
Superfamily:
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Medlicottioidea 
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| 
Family:
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Pronoritidae 
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| 
Subfamily:
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Pronoritinae 
 | 
| 
Genus:
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Stenopronorites 
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| 
Species:
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uralensis+* | 
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Qualifier:
 | 
ss | 
| 
Author:
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	Karpinskii 1889,p.8	 
 | 
| 
Lower Boundary:
 | 
RUS Nm1c1--Nm1c2(uralicus--Del.bressoni), 322 million years
 
 | 
| 
Upper Boundary:
 | 
RUS Nm2a2--Nm2b1,Reticuloc.-Bashkortoc.G, 317.2 million years
 
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