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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Piriclymeniidae
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Genus:
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Piriclymenia |
Qualifier:
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ge |
Author:
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Schindewolf 1937,p.31
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Lower Boundary:
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UD5B--UD5C:ornata--P.piriformis [17,50], 364.4 million years
|
Upper Boundary:
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UD5C--UD6A1: Sphenoclym.brevispina base, 364 million years
|