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 sumatranus (Raffles, 1822) - blue-backed parrot
Tanygnathus sumatranus everetti Tweeddale, 1877