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 Psittacimorphae Huxley, 1867
           Order Psittaciformes Wagler, 1830 - parrots
             Family Psittacidae Illiger, 1811 - cockatoos and parrots
               01 Genus Chalcopsitta Bonaparte, 1850
               02 Genus Eos Wagler, 1832
               03 Genus Pseudeos Peters, 1935
               04 Genus Trichoglossus Stephens, 1826
               05 Genus Psitteuteles Bonaparte, 1854
               06 Genus Lorius Vigors, 1825
               07 Genus Phigys Gray, 1870
               08 Genus Vini Lesson, 1833
               09 Genus Glossopsitta Bonaparte, 1854
               10 Genus Charmosyna Wagler, 1832
               11 Genus Oreopsittacus Salvadori, 1877
               12 Genus Neopsittacus Salvadori, 1875
               13 Genus Probosciger Kuhl, 1820
               14 Genus Calyptorhynchus Desmarest, 1826
               15 Genus Callocephalon Lesson, 1837
               16 Genus Eolophus Bonaparte, 1854
               17 Genus Cacatua Vieillot, 1817
               18 Genus Nymphicus Wagler, 1832
               19 Genus Nestor Lesson, 1830
               20 Genus Micropsitta Lesson, 1831
               21 Genus Cyclopsitta Reichenbach, 1850
               22 Genus Psittaculirostris Gray & Gray, 1859
               23 Genus Bolbopsittacus Salvadori, 1891
               24 Genus Psittinus Blyth, 1842
               25 Genus Psittacella Schlegel, 1871
               26 Genus Geoffroyus Bonaparte, 1850
               27 Genus Prioniturus Wagler, 1832
               28 Genus Tanygnathus Wagler, 1832
               29 Genus Eclectus Wagler, 1832
               30 Genus Psittrichas Lesson, 1831
               31 Genus Prosopeia Bonaparte, 1854
               32 Genus Alisterus Mathews, 1911
               33 Genus Aprosmictus Gould, 1842
               34 Genus Polytelis Wagler, 1832
               35 Genus Purpureicephalus Bonaparte, 1854
               36 Genus Platycercus Vigors, 1825
               37 Genus Northiella Mathews, 1912
               38 Genus Psephotus Gould, 1845
               39 Genus Cyanoramphus Bonaparte, 1854
               40 Genus Eunymphicus Peters, 1937
               41 Genus Neopsephotus Mathews, 1912
               42 Genus Neophema Salvadori, 1891
               43 Genus Lathamus Lesson, 1830
               44 Genus Melopsittacus Gould, 1840
               45 Genus Pezoporus Illiger, 1811
               46 Genus Geopsittacus Gould, 1861 see Genus Pezoporus Illiger, 1811
               47 Genus Strigops Gray, 1845
               48 Genus ‡Mascarinus Lesson, 1830
               49 Genus Coracopsis Wagler, 1832
               50 Genus Psittacus Linnaeus, 1758
               51 Genus Poicephalus Swainson, 1837
               52 Genus Agapornis Selby, 1836
               53 Genus Loriculus Blyth, 1849
               54 Genus Psittacula Cuvier, 1800
               55 Genus Anodorhynchus Spix, 1824
               56 Genus Cyanopsitta Bonaparte, 1854
               57 Genus Ara Lacépède, 1799
               58 Genus Aratinga Spix, 1824
               59 Genus Nandayus Bonaparte, 1854
               60 Genus Leptosittaca Berlepsch & Stolzmann, 1894
               61 Genus Ognorhynchus Bonaparte, 1857
               62 Genus Rhynchopsitta Bonaparte, 1854
               63 Genus ‡Conuropsis Salvadori, 1891
               64 Genus Cyanoliseus Bonaparte, 1854
               65 Genus Pyrrhura Bonaparte, 1856
               66 Genus Enicognathus Gray, 1840
               67 Genus Myiopsitta Bonaparte, 1854
               68 Genus Bolborhynchus Bonaparte, 1857
               69 Genus Forpus Boie, 1858
               70 Genus Brotogeris Vigors, 1825
               71 Genus Nannopsittaca Ridgway, 1912
               72 Genus Touit Gray, 1855
               73 Genus Pionites Heine, 1890
               74 Genus Pionopsitta Bonaparte, 1854
               75 Genus Gypopsitta Bonaparte, 1856 see Genus Pionopsitta Bonaparte, 1854
               76 Genus Hapalopsittaca Ridgway, 1912
               77 Genus Graydidascalus Bonaparte, 1854
               78 Genus Pionus Wagler, 1832
               79 Genus Amazona Lesson, 1830
               80 Genus Deroptyus Wagler, 1832
               81 Genus Triclaria Wagler, 1832