Genus ICHTHYOSTEGA
Subphylum / Superclass . . . .
Class / Subclass / Infraclass
Division / Superorder / Order
Suborder / Infraorder . . . . . .
Superfamily / Family . . . . . . .
Subfamily / Genus . . . . . . . . .
Cephalochordata / Gnathostomata
Amphibia / Labyrinthodontia / n.a.
n.a. / n.a. / Ichthyostegalia
n.a. / n.a.
n.a. / Ichthyostegidae
n.a. / Ichthyostega
Distribution:
Greenland
Depicted on:
Central African Republic, 2024 (position 2 of sheet)Chad, 2022 (M.S. margin)
Congo-Brazzaville, 1993 (75 Fr.)
Gabon, 2000 (500 Fr. and position 3 of sheet 2, both as Acanthostega)
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)
