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 Psittaculini Vigors, 1825
               Genus Psittacula Cuvier, 1800
                 Psittacula alexandri (Linnaeus, 1758) - red-breasted parakeet
                   1 Psittacula alexandri fasciata (Statius Müller, 1776)
                   2 Psittacula alexandri abbotti (Oberholser, 1919)
                   3 Psittacula alexandri cala (Oberholser, 1912)
                   4 Psittacula alexandri major (Richmond, 1902)
                   5 Psittacula alexandri perionca (Oberholser, 1912)
                   6 Psittacula alexandri alexandri (Linnaeus, 1758)
                   7 Psittacula alexandri dammermani Chasen & Kloss, 1932
                   8 Psittacula alexandri kangeanensis Hoogerwerf, 1962