Phylum Chordata Bateson, 1885 - chordates
Class Aves Linnaeus, 1758 - birds
see Subclass Aves Linnaeus, 1758
Subclass Neornithes Gadow, 1893
see Clade Neornithes Gadow, 1893
Superorder Neognathae Pycraft, 1900
see Cohort Neognathae Pycraft, 1900
Order Psittaciformes Wagler, 1830 - parrots
Family Psittacidae Illiger, 1811 - cockatoos and parrots
Subfamily Cacatuinae del Hoyo et al., 2014
see Family Cacatuidae Gray, 1840
Genus Cacatua Vieillot, 1817
Cacatua sanguinea Gould, 1843 - little cockatoo