Genus ICHTHYORNIS
Kingdom / Phylum . . . . . . . . Subphylum / Superclass . . . . Class / Subclass / Infraclass Division / Superorder / Order Suborder / Infraorder . . . . . . Superfamily / Family . . . . . . . Subfamily / Genus . . . . . . . . .	Animalia / Chordata Cephalochordata / Gnathostomata Aves / Neornithes / n.a. n.a. / Odontoholomorphae / Ichthyornithiformes n.a. / n.a. n.a. / Ichthyornithidae n.a. / Ichthyornis
Age: Distribution:	Late Cretaceous North America
Depicted on: Central African Republic, 2022 (position 3 of sheet, M.S. 2) Dominica, 1999 (position 3 of sheet 2) Iraq, 2010 (250 D., positions 2 and 3) Liberia, 2022 (position 5 in sheet) Micronesia, 1994 (position 2 of sheet) Palau, 1995 (position 16 of sheet)