Genus PTERASPIS
Kingdom / Phylum . . . . . . . . Subphylum / Superclass . . . . Class / Subclass / Infraclass Division / Superorder / Order Suborder / Infraorder . . . . . . Superfamily / Family . . . . . . . Subfamily / Genus . . . . . . . . .	Animalia / Chordata Cephalochordata / Gnathostomata Agnatha / Pteraspidomorphi / n.a. n.a. / n.a. / Heterostraci (=Pteraspidiformes) n.a. / n.a. n.a. / Pteraspidae n.a. / Pteraspis
Age: Distribution:	Early Devonian Europe, North America, South America, Asia
Depicted on: Central African Republic, 2014 (M.S. margin) Central African Republic, 2019 (M.S. margin) Djibouti, 2017 (position 1 of sheet, sheet margin) Djibouti, 2022 (position 3 of sheet, sheet margin, M.S.) Niger, 2022 (position 1 of sheet) Nicaragua, 1994 (position 12 of sheet) Togo, 2022 (M.S. 2 margin, sheet margin)