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TaxNo: 2519Nuculoceras stellarum
Suborder: Goniatitina
Superfamily: Neoglyphioceratoidea
Family: Cravenoceratidae
Subfamily: Nuculoceratinae
Genus: Nuculoceras
Species: stellarum
Qualifier: ss
Author: Bisat 1932,p.33
Lower Boundary: GBY E2b3--E2c1 C.nititoides--N.stellar.), 321 million years
Upper Boundary: GBY E2c1--E2c2(Nu.stellarum--Nu.nuculum), 320.5 million years