Genus ICHTHYOSTEGA
Kingdom / Phylum . . . . . . . . Subphylum / Superclass . . . . Class / Subclass / Infraclass Division / Superorder / Order Suborder / Infraorder . . . . . . Superfamily / Family . . . . . . . Subfamily / Genus . . . . . . . . .	Animalia / Chordata Cephalochordata / Gnathostomata Amphibia / Labyrinthodontia / n.a. n.a. / n.a. / Ichthyostegalia n.a. / n.a. n.a. / Ichthyostegidae n.a. / Ichthyostega
Age: Distribution:	Late Devonian Greenland
Depicted on: Central African Republic, 2024 (position 2 of sheet) Chad, 2022 (M.S. margin) Congo-Brazzaville, 1993 (75 Fr.) Gambia, 1999 (position 11 of sheet 1) Greenland, 2008 (20,50 Kr., fossil and reconstruction) Guinea, 1998 (M.S. margin) Guinea, 2009 (1998 M.S. margin, 1500 GNF, overprinted 15000 FG.) Guinea-Bissau, 2022 (M.S. 2 margin) Guyana, 2001 (position 1 of sheet 1) Korea (North), 1999 (set in sheet, prehistoric life on top margin) Liberia, 1999 (position 7 of sheet 1, as Acanthostega) Mozambique, 2012 (position 1 of sheet extinct marine animals) Niger, 2017 (position 3 of sheet) Niger, 2021 (position 4 of sheet) Niger, 2022 (position 4 of sheet) Poland, 1966 (40 g.) Togo, 2023 (position 1 of sheet) Tonga Niuafo'ou, 1989 (1 $. and set in sheet, and on label)