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TaxNo: 3011Genus Brancoceras
Suborder: Tornoceratina
Superfamily: Prionoceratoidea
Family: Prionoceratidae
Subfamily: Prionoceratinae
Genus: Brancoceras
Qualifier: gh
Author: Hyatt 1884,p.325
Valid: Imitoceras Schindewolf 1923,p.325 [TAX3010]
Lower Boundary: DER Ps.westfalicus--Paragattendia patens, 358 million years
Upper Boundary: BEL Calonne top--Fac. Wauls. base, 349 million years