Suborder:
|
Gonioclymeniina
|
Superfamily:
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Gonioclymenioidea
|
Family:
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Sphenoclymeniidae |
Qualifier:
|
fy |
Author:
|
Korn 1992,p.127
|
Valid:
|
Gonioclymeniidae Hyatt (TAX4162 ) |
Lower Boundary:
|
UD5C--UD6A1: Sphenoclym.brevispina base, 364 million years
|
Upper Boundary:
|
UD6B--UD6C1 Kamptoclym. endogona base, 362.4 million years
|