Genus HELICOPRION
Kingdom / Phylum . . . . . . . . . Class / Subclass / Infraclass Division / Superorder / Order Suborder / Infraorder . . . . . . Superfamily / Family . . . . . . . Subfamily / Genus . . . . . . . . .	Animalia / Chordata Chondrichthyes / Elasmobranchii / n.a. n.a. / n.a. / Eugeneodontida n.a. / n.a. Edestoidea / Agassizodontidae n.a. / Helicoprion
Age: Distribution:	Early Permian North America, Europe, Asia
Depicted on: Guinea-Bissau, 2007 (M.S. margin)