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TaxNo: 5402Genus Metaschistoceras
Suborder: Goniatitina
Superfamily: Schistoceratoidea
Family: Schistoceratidae
Genus: Metaschistoceras
Qualifier: gy
Author: Plummer & Scott 1937,p.255
Valid: Schistoceras Hyatt 1884,p.336
Lower Boundary: UTX Graford Shale base, 305.6 million years
Upper Boundary: UTX Graham Fm. top, 301 million years