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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Cyrtoclymeniidae
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Genus:
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Protactoclymenia
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Species:
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cara |
Qualifier:
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- |
Author:
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Nikolaeva & Bogoslovsky 2005,p.99
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Lower Boundary:
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UD3C--UD4A:(annulata Zone base) [14,90], 367.6 million years
|
Upper Boundary:
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UD4A--UD4B: dunkeri Zone base [15,55], 366.8 million years
|