Suborder:
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Gonioclymeniina
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Superfamily:
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Gonioclymenioidea
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Family:
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Gonioclymeniidae
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Subfamily:
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Gonioclymeniinae
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Genus:
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Sphenoclymenia |
Qualifier:
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ge |
Author:
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Schindewolf 1920,p.128
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Lower Boundary:
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UD5C--UD6A1: Sphenoclym.brevispina base, 364 million years
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Upper Boundary:
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UD6C2--UD6D1:parad.--Wo.sphaeroi.[18,90], 361.6 million years
|