Genus IRRITATOR
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 / Saurischia Theropoda / n.a. Spinosauroidea / Spinosauridae Spinosaurinae / Irritator
Age: Distribution:	Early Cretaceous South America
Depicted on: Chad, 2021 (position 2 of sheet) Comoros, 2009 (225 Fr.) Guinea-Bissau, 2018 (position 1 of sheet) Guinea-Bissau, 2021 (M.S. 1 margin) Mozambique, 2002 (position 4 of sheet 2 and stamp in M.S.) Solomon Islands, 2016 (position 13 of sheet)