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TaxNo: 449Prodromites praematurus
Suborder: Tornoceratina
Superfamily: Karagandoceratoidea
Family: Prodromitidae
Genus: Prodromites
Species: praematurus
Qualifier: sy
Author: Smith & Weller 1901,p.261
Valid: Prodromites gorbyi Miller 1891
Lower Boundary: UMO Chouteau Lst. base, 354 million years
Upper Boundary: UMO Northwiew Shale top, 352 million years