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TaxNo: 5346Family Kufengoceratidae
Suborder: Goniatitina
Superfamily: Cycloloboidea
Family: Kufengoceratidae
Qualifier: fy
Author: Zhao 1980,p.79
Valid: Cyclolobidae (Kufengoceratinae) Zhao
Lower Boundary: Kungurian/Leonardian--Roadian [KUN--ROA], 270.6 million years
Upper Boundary: Wordian--Capitanian (Midian) [WOR--CAP], 265.8 million years