Class Aves Linnaeus, 1758 - birds
see Subclass Aves Linnaeus, 1758
Subclass Neornithes Gadow, 1893
see Clade Neornithes Gadow, 1893
Infraclass Neoaves Sibley et al., 1988
see Subcohort Neoaves Sibley et al., 1988
Parvclass Passerae
see Superorder Passerimorphae Sibley et al., 1988
Superorder Passerimorphae Sibley et al., 1988
Order Gruiformes Bonaparte, 1854
Suborder Grui
see Suborder Grues Bonaparte, 1854
Infraorder Eurypygides (Fürbringer, 1888) Sibley et al., 1988
Family Eurypygidae Selby, 1840 - sunbittern
Genus Eurypyga Illiger, 1811
Eurypyga helias (Pallas, 1781) - sunbittern