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TaxNo: 4163Family Sphenoclymeniidae
Suborder: Gonioclymeniina
Superfamily: Gonioclymenioidea
Family: 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