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TaxNo: 4782Politoceras jacksoni
Suborder: Goniatitina
Superfamily: Neodimorphoceratoidea
Family: Neodimorphoceratidae
Genus: Politoceras
Species: jacksoni
Qualifier: sy
Author: Bisat 1930,p.80
Valid: Politoceras politum (Shumard 1863)
Lower Boundary: Duckmantian--Bolsovian, Westphal.B--C, 310.6 million years
Upper Boundary: Bolsovian--Westphalian D,Westphal.C--D, 309.5 million years