Genus PSITTACOSAURUS
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 Ceratopsia / n.a. n.a. / Psittacosauridae n.a. / Psittacosaurus
Age: Distribution:	early Late Cretaceous Central Asia
Depicted on: Bequia, Grenadines of St. Vincent, 2005 (position 3 of sheet 1) Cambodia, 1995 (100 R.) Central African Republic, 2022 (position 3 of sheet) China, 2017 (sheet margin) Dominica, 1999 (position 1 of sheet 2) Dominica, 2005 (position 4 of sheet 3) Gabon, 2000 (225 Fr.) Gabon, 2000 (position 5 of sheet 3) Grenada, 1999 (position 5 of sheet 2) Grenada, Carriacou, and Petite Martinique, 2005 (position 1 of sheet 2) Guinea, 1997 (250 Fr.) Guinea, 2016 (position 3 of sheet) Guinea, 2016 (position 1 of sheet) Guinea, 2023 (label on position 6) Guinea-Bissau, 2012 (position 3 of sheet) Guyana, 1993 (position 11 of sheet 2) Guyana, 1996 (position 4 of sheet 1) Korea (North), 2000 (position 2 of sheet) Korea (North), 2017 (M.S. margin) Liberia, 1999 (position 8 of sheet 1) Libya, 1995 (position 8 of sheet) Madagascar, 1999 (position 1 of sheet) Maldives, 1997 (position 6 of sheet 1 and sheet 2 margin) Mali, 1999 (position 9 of sheet) Mali, 2000 (position 1 of sheet 1) Micronesia, 2001 (60 c.) Mongolia, 1977 (30 c.) Mozambique, 2002 (10000 M.) Nevis, 2005 (position 3 of sheet 2) Niger, 2016 (position 3 of sheet) Papua New Guinea, 2004 (position 3 of sheet) Saint Vincent & the Grenadines, 1999 (position 7 of sheet 1) Sao Tome e Principe, 2006 (position 3 of sheet) Sao Tome e Principe, 2010 (position 1 of sheet) Sao Tome e Principe, 2021 (M.S. margin) Sierra Leone, 2004 (position 3 of sheet 1, as Plateosaurus) Solomon Islands, 2014 (M.S. margin) Solomon Islands, 2016 (position 22 of sheet) Tanzania, 1999 (position 5 of sheet 1) Thailand, 1997 (9 B. and set in M.S.) Uganda, 1995 (200 Sh.) Vietnam, 1996 (2000 D.) Zambia, 1999 (1800 K.)   Stamp booklet cover number 5, 10, and 13, Japan, 1990.