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 Barnardius Bonaparte, 1854
                 Barnardius barnardi (Vigors & Horsfield, 1827) see Barnardius zonarius barnardi (Vigors & Horsfield, 1827)
                 Barnardius zonarius (Shaw, 1805) - Port Lincoln parrot