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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Costaclymeniinae
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Genus:
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Mesoclymenia |
Qualifier:
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ge |
Author:
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Bogoslovsky 1981,p.48
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Lower Boundary:
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UD4B--UD4C: serpentina Zone base [16,45], 366.4 million years
|
Upper Boundary:
|
UD5C--UD6A1: Sphenoclym.brevispina base, 364 million years
|