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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Hexaclymeniidae
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Genus:
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Hexaclymenia |
Qualifier:
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ge |
Author:
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Schindewolf 1923,p.29
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Lower Boundary:
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UD3B--UD3C:(delphinus Zone base) [14,55], 368 million years
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Upper Boundary:
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P.delph.--low.Platyclym.annulata IIIb/IV, 367.6 million years
|