Kingdom [Animalia] Linnaeus, 1758 - animals
   Subkingdom Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758
     Division Eumetazoa Butschli, 1910 see Subkingdom Eumetazoa Butschli, 1910
       Subdivision Bilateralia
         Phylum Chordata Bateson, 1885 - chordates
           Subphylum Vertebrata Cuvier, 1812 - vertebrates
             Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
               Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
                 Order Psittaciformes Wagler, 1830 - parrots
                   Family Psittacidae Illiger, 1811 - cockatoos and parrots
                     Subfamily Trichoglossinae see Family Loriinidae Selby, 1836
                       Tribe Psittaculirostrini see Tribe Cyclopsittini
                         Genus Opopsitta Sclater, 1860 see Genus Cyclopsitta Reichenbach, 1850
                           1 Opopsitta diophthalma (Hombron & Jacquinot, 1841) see Cyclopsitta diophthalma (Hombron & Jacquinot, 1841)