Genus CHASMOPS
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 Phacopina / n.a. Phacopoidea / Pterygometopidae Chasmopinae / Chasmops
Age: Distribution:	Late Ordovician North America, Eastern Europe
Depicted on: Guinea-Bissau, 2023 (M.S. margin)