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 Arini Gray, 1840
               Genus Pionites Heine, 1890
                 Pionites leucogaster (Kuhl, 1820) - white-bellied parrot
                   1 Pionites leucogaster xanthomerius (Sclater, 1858)
                   2 Pionites leucogaster xanthurus Todd, 1925
                   3 Pionites leucogaster leucogaster (Kuhl, 1820)