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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Cymaclymenia?
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Species:
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tricarinata |
Qualifier:
|
ss |
Author:
|
Lange 1929,p.93
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Lower Boundary:
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UD4C--UD5A:serpent.--Cl.laevigata[16,75], 365.6 million years
|
Upper Boundary:
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UD5C--UD6A1: Sphenoclym.brevispina base, 364 million years
|