Genus TRIPLAGNOSTUS
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. / Agnostida n.a. / n.a. n.a. / Ptychagnostidae n.a. / Triplagnostus
Age: Distribution:	Middle Cambrian - Late Cambrian North America, Northern Europe, Asia, Antarctica
Depicted on: British Antarctic Territory, 1990 (3 p., fossil)