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TaxNo: 3429Genus Beleutoceras
Suborder: Goniatitina
Superfamily: Nomismoceratoidea
Family: Nomismoceratidae
Genus: Beleutoceras
Qualifier: ge
Author: Ruzhencev & Bog. 1971,p.164
Lower Boundary: RUS Nm1b1--Nm1b2 (Domb.carinat.--tectus), 324.6 million years
Upper Boundary: RUS Nm1b2--Nm1c1,Fayettevillea-Delepinoc, 324 million years