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TaxNo: 3137Beyrichoceratoides truncatum var.N
Suborder: Goniatitina
Superfamily: Pericycloidea
Family: Muensteroceratidae
Genus: Beyrichoceratoides
Species: truncatum var.N
Qualifier: sy
Author: Currie 1954,p.555
Valid: Eoglyphioceras truncatum (Phillips 1836)
Lower Boundary: DER Go alpha 2--Go alpha 3 [11.60], 332.3 million years
Upper Boundary: DER Go alpha 3--Go alpha 4 [13.00], 332 million years