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TaxNo: 149Imitoceras brevilobatum
Suborder: Tornoceratina
Superfamily: Prionoceratoidea
Family: Prionoceratidae
Subfamily: Prionoceratinae
Genus: Imitoceras
Species: brevilobatum
Qualifier: ss
Author: Miller & Collinson 1951,p.462
Lower Boundary: UMO Northwiew Shale base, 353 million years
Upper Boundary: UMO Northwiew Shale top, 352 million years