Genus HORMOTOMA
Kingdom / Phylum . . . . . . . . . Class / Subclass / Infraclass Division / Superorder / Order Suborder / Infraorder . . . . . . Superfamily / Family . . . . . . . Subfamily / Genus . . . . . . . . .	Animalia / Mollusca Gastropoda / Orthogastropoda / n.a. n.a. / n.a. / Murchisoniina n.a. / n.a. Murchisonioidea / Hormotomidae n.a. / Hormotoma
Age: Distribution:	Ordovician-Silurian North America, Europe, Asia, Australia
Depicted on: Korea (North), 2013 (110 W., fossil, in sheet, in collective sheet, in stamp booklet, aerogramme)