| 
Suborder:
 | 
Prolecanitina 
 | 
| 
Superfamily:
 | 
Medlicottioidea 
 | 
| 
Family:
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Pronoritidae 
 | 
| 
Subfamily:
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Pronoritinae 
 | 
| 
Genus:
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Pronorites 
 | 
| 
Species:
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cyclolobus | 
| 
Qualifier:
 | 
ss | 
| 
Author:
 | 
	Phillips 1836,p.237	 
 | 
| 
Lower Boundary:
 | 
DER Go alpha 1--Go alpha 2 [11.00], 333 million years
 
 | 
| 
Upper Boundary:
 | 
DER Go alpha 3--Go alpha 4  [13.00], 332 million years
 
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