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TaxNo: 4223Glaphyrites subcavus
Suborder: Goniatitina
Superfamily: Gastrioceratoidea
Family: Glaphyritidae
Subfamily: Glaphyritinae
Genus: Glaphyrites
Species: subcavus
Qualifier: sy
Author: Miller & Gurley 1896,p.45
Valid: Glaphyrites kansasensis (M.& G.) TAX3396
Lower Boundary: UTX middle Gaptank Fm. base, 306.5 million years
Upper Boundary: UTX Gaptank Fm. top, 299 million years