Neornithes Gadow, 1893 - living birds
   Neognathae Pycraft 1900 see Cohort Neognathae Pycraft, 1900
     Neoaves Sibley et al. 1988 see Subcohort Neoaves Sibley et al., 1988
       Order [Psittaciformes] Wagler, 1830 [monotypic] - parrots
         Family Psittacidae Illiger, 1811 - cockatoos and parrots
           Subfamily Psittacinae Illiger, 1811 - typical parrots
             Tribe Platycercini
               01 Genus Prosopeia Bonaparte, 1854
               02 Genus Eunymphicus Peters, 1937 [monotypic]
               03 Genus Cyanoramphus Bonaparte, 1854
               04 Genus Purpureicephalus Bonaparte, 1854 [monotypic]
               05 Genus Barnardius Bonaparte, 1854 [monotypic]
               06 Genus Platycercus Vigors, 1825
               07 Genus Northiella Mathews, 1912 [monotypic]
               08 Genus Psephotus Gould, 1845
               09 Genus Neopsephotus Mathews, 1912 [monotypic]
               10 Genus Neophema Salvadori, 1891
               11 Genus Lathamus Lesson, 1830 [monotypic]
               12 Genus Melopsittacus Gould, 1840 [monotypic]
               13 Genus Pezoporus Illiger, 1811
               14 Genus Psittacella Schlegel, 1871