Genus LYRIASPIS
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. / Lyriaspis
Age: Distribution:	Middle Cambrian India, Australia, Antarctica
Depicted on: British Antarctic Territory, 1990 (4 p., fossil)