Genus ELLIPSOCEPHALUS
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. / Ellipsocephalidae n.a. / Ellipsocephalus
Age: Distribution:	Cambrian North America, Europe
Depicted on: FDC cancel, Czechoslovakia, 1968