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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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Genuclymenia 
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Species:
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sulcata | 
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Qualifier:
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sy | 
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Author:
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	Nalivkina 1953,p.120	 
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| 
Valid:
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Genuclymenia frechi Wedekind 1908 | 
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Lower Boundary:
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UD3B--UD3C:(delphinus Zone base) [14,55], 368 million years
 
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| 
Upper Boundary:
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P.delph.--low.Platyclym.annulata IIIb/IV, 367.6 million years
 
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