Phylum Chordata Bateson, 1885 - chordates
   Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
     Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
       Superorder Neognathae Pycraft, 1900 see Cohort Neognathae Pycraft, 1900
         Order Psittaciformes Wagler, 1830 - parrots
           Family Psittacidae Illiger, 1811 - cockatoos and parrots
             Subfamily Psittacinae Illiger, 1811 - typical parrots
               Genus Platycercus Vigors, 1825
                 Platycercus adelaidae Gould, 1840 see Platycercus elegans (Gmelin, 1788)
                 Platycercus adscitus (Latham, 1790) - pale-headed rosella
                 Platycercus caledonicus (Gmelin, 1788) - green rosella
                 Platycercus elegans (Gmelin, 1788) - crimson rosella
                 Platycercus eximius (Shaw, 1792) - eastern rosella
                 Platycercus flaveolus Gould, 1837 - yellow rosella see Platycercus elegans flaveolus Gould, 1837
                 Platycercus icterotis (Temminck & Kuhl, 1820) - western rosella
                 Platycercus venustus (Kuhl, 1820) - northern rosella