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TaxNo: 5566Subgenus Monitoceras
Suborder: Goniatitina
Superfamily: Gastrioceratoidea
Family: Gastrioceratidae
Genus: Cancelloceras
Subgenus: Monitoceras
Qualifier: gs
Author: Ruzhentsev & Bog. 1978,p.288
Lower Boundary: RUS Nm2b3--Nm2c1,Bilinguites-Cancelloc.G, 314.8 million years
Upper Boundary: RUS Nm2c1--Nm2c2 (V.vern.--B.superbil.), 314.2 million years