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TaxNo: 2182Beyrichoceras sp.B
Suborder: Goniatitina
Superfamily: Pericycloidea
Family: Maxigoniatitidae
Genus: Beyrichoceras
Species: sp.B
Qualifier: of
Author: Moore 1936,p.180
Lower Boundary: DER Go alpha 1--Go alpha 2 [11.00], 333 million years
Upper Boundary: DER Go alpha 2--Go alpha 3 [11.60], 332.3 million years