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 Psittaculini Vigors, 1825
               Genus Tanygnathus Wagler, 1832
                 Tanygnathus lucionensis (Linnaeus, 1766) - blue-naped parrot
                   1 Tanygnathus lucionensis lucionensis (Linnaeus, 1766)
                   2 Tanygnathus lucionensis hybridus Salomonsen, 1952
                   3 Tanygnathus lucionensis salvadorii Ogilvie-Grant, 1896
                   4 Tanygnathus lucionensis talautensis Meyer & Wiglesworth, 1895