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Suborder:
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Tornoceratina 
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| 
Superfamily:
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Prionoceratoidea 
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| 
Family:
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Prionoceratidae 
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| 
Subfamily:
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Prionoceratinae 
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| 
Genus:
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Rectimitoceras? 
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| 
Species:
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sublinearis | 
| 
Qualifier:
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sn | 
| 
Author:
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	Münster 1832,p.22	 
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| 
Lower Boundary:
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UD2A--UD2B:(verneuili Zone base) [07,75], 374 million years
 
 | 
| 
Upper Boundary:
 | 
UD2H--UD2I:(mamilliferum base)   [12,90], 370 million years
 
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