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 Ciconiiformes Bonaparte, 1854
Family Threskiornithidae Richmond, 1917 - ibises and spoonbills
Subfamily Plataleinae Bonaparte, 1838
see Family Plataleidae Bonaparte, 1838
Genus Ajaia Reichenbach, 1852
Ajaia ajaja (Linnaeus, 1758) - roseate spoonbill