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Suborder:
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Clymeniina 
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| 
Superfamily:
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Cyrtoclymenioidea 
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Family:
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Cymaclymeniidae 
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Genus:
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Postclymenia 
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Species:
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evoluta | 
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Qualifier:
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ss | 
| 
Author:
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	Schmidt 1924,p.154	 
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| 
Lower Boundary:
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UD6C2--UD6D1:parad.--Wo.sphaeroi.[18,90], 361.6 million years
 
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| 
Upper Boundary:
 | 
Devonian--Carboniferous Boundary   [DCB], 359.2 million years
 
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