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TaxNo: 2636Stenoglaphyrites merriami
Suborder: Goniatitina
Superfamily: Gastrioceratoidea
Family: Glaphyritidae
Subfamily: Stenoglaphyritinae
Genus: Stenoglaphyrites
Species: merriami
Qualifier: ss
Author: Youngquist 1949,p.291
Lower Boundary: UNV White Pine Shale base, 326.4 million years
Upper Boundary: UNV White Pine Shale top, 324 million years