Genus PSEUDOSPHAEREXOCHUS
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. / Phacopida n.a. / n.a. n.a. / Cheiruridae n.a. / Pseudosphaerexochus
Age: Distribution:	Ordovician / Silurian North America, Europe, Asia
Depicted on: Sweden, 1992 (on the inside of the 'Service Pak', fossil)