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TaxNo: 3903Bamyaniceras obliquinodosum
Suborder: Prolecanitina
Superfamily: Medlicottioidea
Family: Medlicottiidae
Subfamily: Propinacoceratinae
Genus: Bamyaniceras
Species: obliquinodosum
Qualifier: ss
Author: Leonova 1984,p.46
Lower Boundary: Kochusu Fm.,lower,basal lst.--lower part, 270.3 million years
Upper Boundary: Kochusu Fm.,lower, lower--middel part, 270 million years