Kingdom [Animalia] Linnaeus, 1758 - animals
   Subkingdom Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758
     Division Eumetazoa Butschli, 1910 see Subkingdom Eumetazoa Butschli, 1910
       Subdivision Bilateralia
         Phylum Chordata Bateson, 1885 - chordates
           Subphylum Vertebrata Cuvier, 1812 - vertebrates
             Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
               Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
                 Order Psittaciformes Wagler, 1830 - parrots
                   Family Psittacidae Illiger, 1811 - cockatoos and parrots
                     Subfamily Psittacinae Illiger, 1811 - typical parrots
                       Tribe Platycercini
                         Genus Platycercus Vigors, 1825
                           Platycercus zonarius (Shaw, 1805) - Port Lincoln ringneck see Barnardius zonarius (Shaw, 1805)
                             1 Platycercus zonarius zonariusᵀ (Shaw, 1805) see Barnardius zonarius zonarius (Shaw, 1805)
                             2 Platycercus zonarius semitorquatus (Quoy & Gaimard, 1830) see Barnardius zonarius semitorquatus (Quoy & Gaimard, 1830)
                             3 Platycercus zonarius barnardi Vigors & Horsfield, 1827 see Barnardius zonarius barnardi (Vigors & Horsfield, 1827)