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 Prioniturus Wagler, 1832
                 Prioniturus discurus (Vieillot, 1822) - blue-crowned racquet-tail
                   1 Prioniturus discurus whiteheadi Salomonsen, 1953
                   2 Prioniturus discurus mindorensis Steere, 1890
                   3 Prioniturus discurus discurus (Vieillot, 1822)