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
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Species:
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brevispina |
Qualifier:
|
ss |
Author:
|
Lange 1929,p.83
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Lower Boundary:
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UD5C--UD6A1: Sphenoclym.brevispina base, 364 million years
|
Upper Boundary:
|
UD6B--UD6C1 Kamptoclym. endogona base, 362.4 million years
|