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
               Genus Platycercus Vigors, 1825
                 Platycercus icterotis (Temminck & Kuhl, 1820) - western rosella
                   1 Platycercus icterotis icterotis (Temminck & Kuhl, 1820)
                   2 Platycercus icterotis xanthogenys Salvadori, 1891