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TaxNo: 4938Glaphyrites gargantuus
Suborder: Goniatitina
Superfamily: Gastrioceratoidea
Family: Glaphyritidae
Subfamily: Glaphyritinae
Genus: Glaphyrites
Species: gargantuus
Qualifier: sn
Author: Smith 1938,p.29
Lower Boundary: UOK Buckhorn Asphalt base, 308 million years
Upper Boundary: UOK Buckhorn Asphalt top, 307.7 million years