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TaxNo: 4015Genus Arcanoceras
Suborder: Goniatitina
Superfamily: Dimorphoceratoidea
Family: Eogonioloboceratidae
Genus: Arcanoceras
Qualifier: ge
Author: Ruzhentsev 1965,p.10
Lower Boundary: Up.Visean Goniatites BZ base [up.VIS], 333.5 million years
Upper Boundary: Arnsbergian--Chokierian [ARN--CHO], 319 million years