Genus PTYCHOPARIA
Kingdom / Phylum . . . . . . . . . Class / Subclass / Infraclass Division / Superorder / Order Suborder / Infraorder . . . . . . Superfamily / Family . . . . . . . Subfamily / Genus . . . . . . . . .	Animalia / Arthropoda Trilobita / n.a. / n.a. n.a. / n.a. / Ptychopariida n.a. / n.a. n.a. / Ptychopariidae n.a. / Ptychoparia
Age: Distribution:	Middle Cambrian North America, Asia, Europe
Depicted on: Korea (North), 1997 (1 W., fossil, twice in sheet, also in stamp booklet)