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 elegans (Gmelin, 1788) - crimson rosella
                   1 Platycercus elegans nigrescens Ramsay, 1888
                   2 Platycercus elegans elegans (Gmelin, 1788)
                   3 Platycercus elegans melanopterus North, 1906
                   4 Platycercus elegans fleurieuensis Ashby, 1917
                   5 Platycercus elegans subadelaidae Mathews, 1912
                   6 Platycercus elegans flaveolus Gould, 1837