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 Psittacinae Illiger, 1811 - typical parrots
               Genus Alisterus Mathews, 1911
                 Alisterus amboinensis (Linnaeus, 1766) - Moluccan king-parrot
                 Alisterus chloropterus (Ramsay, 1879) - Papuan king-parrot
                 Alisterus scapularis (Lichtenstein, 1816) - Australian king-parrot