Genus PTERYGOTUS
Kingdom / Phylum . . . . . . . . Subphylum / Superclass . . . . Class / Subclass / Infraclass Division / Superorder / Order Suborder / Infraorder . . . . . . Superfamily / Family . . . . . . . Subfamily / Genus . . . . . . . . .	Animalia / Arthropoda Chelicerata / n.a. Merostomata / n.a. / n.a. n.a. / n.a. / Eurypterida n.a. / n.a. Pterygotioidea / Pterygotidae n.a. / Pterygotus
Age: Distribution:	Middle Silurian - Late Devonian North America, South America, Europe, Australia
Depicted on: Guinea-Bissau, 2023 (position 1 of sheet) Niger, 2021 (M.S. margin) Togo, 2021 (position 2 of sheet)