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Suborder:
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Clymeniina 
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| 
Superfamily:
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Clymenioidea 
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| 
Family:
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Clymeniidae 
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| 
Genus:
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Clymenia 
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| 
Species:
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semiplicata | 
| 
Qualifier:
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sy | 
| 
Author:
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	Münster 1839,p.36	 
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| 
Valid:
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Clymenia laevigata (Münster 1831) | 
| 
Lower Boundary:
 | 
UD4C--UD5A:serpent.--Cl.laevigata[16,75], 365.6 million years
 
 | 
| 
Upper Boundary:
 | 
UD5A--UD5B: ornata Zone base     [17,10], 364.8 million years
 
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