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TaxNo: 5883Genus Sundernites
Suborder: Goniatitina
Superfamily: Dimorphoceratoidea
Family: Girtyoceratidae
Subfamily: Girtyoceratinae
Genus: Sundernites
Qualifier: ge
Author: Korn 1993,p.49
Lower Boundary: DER lowest E1--E1 alpha, 326 million years
Upper Boundary: GBY E1b -- E1c; DER E1 alpha -- E1 beta, 325 million years