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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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Voehringeritidae | 
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Qualifier:
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fa | 
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Author:
 | 
	Bartzsch & Weyer 1988,p.138	 
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| 
Lower Boundary:
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Acut.prorsum--A.acutum/G.subinvoluta, 359.2 million years
 
 | 
| 
Upper Boundary:
 | 
DER Papr.dorsopl.--Pseudar.westfal. [00., 358.4 million years
 
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