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 montanus Ogilvie-Grant, 1895 - montane racquet-tail
                   1 Prioniturus montanus montanus Ogilvie-Grant, 1895
                   2 Prioniturus montanus malindangensis Mearns, 1909
                   3 Prioniturus montanus waterstradti Rothschild, 1904