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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Gonioclymenia |
Qualifier:
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ge |
Author:
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Hyatt 1884,p.314
|
Lower Boundary:
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UD4C--UD5A:serpent.--Cl.laevigata[16,75], 365.6 million years
|
Upper Boundary:
|
UD5C--UD6A1: Sphenoclym.brevispina base, 364 million years
|