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TaxNo: 2721Beyrichoceras vallense
Suborder: Goniatitina
Superfamily: Pericycloidea
Family: Maxigoniatitidae
Genus: Beyrichoceras
Species: vallense
Qualifier: ss
Author: Delépine 1940,p.63
Lower Boundary: DER Go alpha 1--Go alpha 2 [11.00], 333 million years
Upper Boundary: DER Go alpha 3--Go alpha 4 [13.00], 332 million years

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