ICHTHYOSAURIA
Kingdom / Phylum . . . . . . . . Subphylum / Superclass . . . . Class / Subclass / Infraclass Division / Superorder / Order	Animalia / Chordata Cephalochordata / Gnathostomata Reptilia / Diapsida / n.a. n.a. / n.a. / Ichthyosauria
Depicted on: Antigua & Barbuda, 1995 (position 2 of sheet) Barbuda, 1996 (position 2 of sheet) Bhutan, 1999 (M.S. 1, as 'Present day dolphin') Central African Republic, 2023 (M.S. margin) Guinea, 2006 (M.S. 2 margin) Liberia, 1999 (position 12 of sheet 1) Liberia, 2024 (sheet margin) Mozambique, 2019 (position 2 of sheet) Mozambique, 2021 (132 Mt.) Niger, 2023 (position 5 of sheet) Sao Tome e Principe, 2009 (label 1 on sheet and M.S. margin) Sierra Leone, 2016 (sheet margin, M.S. margin) Solomon Islands, 2013 (M.S. margin) Solomon Islands, 2014 (M.S. margin, fossil head) Solomon Islands, 2017 (M.S. margin) Somalia, 1997 (200 S., fossil skull)   F.D.C. cover, Cuba, 1982.