Genus POLACANTHUS
Kingdom / Phylum . . . . . . . . Subphylum / Superclass . . . . Class / Subclass . . . . . . . . . . Infraclass / Division. . . . . . . . Subdivision / Infradivision . . . Superorder / Order. . . . . . . . Suborder / Infraorder . . . . . . Superfamily / Family . . . . . . . Subfamily / Genus . . . . . . . . .	Animalia / Chordata Cephalochordata / Gnathostomata Reptilia / Diapsida Archosauromorpha / Archosauria Avemetatarsalia / Ornithodira Dinosauria / Ornithischia Ankylosauria / n.a. n.a. / Nodosauridae n.a. / Polacanthus
Age: Distribution:	Early Cretaceous Western Europe
Depicted on: Guinea, 1993 (position 13 of sheet) Guinea, 2021 (M.S. margin) Guinea-Bissau, 2008 (position 4 of sheet) Guinea-Bissau, 2015 (position 2 of sheet) Guyana, 1996 (position 3 of sheet 1) Liberia, 2005 (position 3 of sheet 2) Niger, 1996 (position 3 of sheet 1) Tadjikistan, 1994 (issued separately and in sheet, position 8 of sheet, as Tyrannosaurus) Togo, 1994 (125 Fr., set in M.S., and stamp in M.S.) United Kingdom, 2013 (position 1 of strip 1)