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TaxNo: 5715Vidrioceras bidens
Suborder: Goniatitina
Superfamily: Cycloloboidea
Family: Vidrioceratidae
Genus: Vidrioceras
Species: bidens
Qualifier: ss
Author: Zakharov 1978,p.53
Lower Boundary: RUS lower--upper Zhigulian, 305.9 million years
Upper Boundary: U Missourian--Virgilian [MIS--VIR], 305 million years