Genus PERISSOPTERA
Kingdom / Phylum . . . . . . . . . Class / Subclass / Infraclass Division / Superorder / Order Suborder / Infraorder . . . . . . Superfamily / Family . . . . . . . Subfamily / Genus . . . . . . . . .	Animalia / Mollusca Gastropoda / n.a. / n.a. n.a. / Hypsogastropoda / uncertain n.a. / Littorinimorpha Stromboidea / Aporrhaidae n.a. / Perissoptera
Age: Distribution:	Cretaceous - Paleocene North America, Europe, Africa, Asia Antarctica
Depicted on: British Antarctic Territory, 1990 (25 p., fossil)