 Neornithes Gadow, 1893 - living birds
 Neornithes Gadow, 1893 - living birds
   Neognathae Pycraft 1900
 see Cohort Neognathae Pycraft, 1900
 Neognathae Pycraft 1900
 see Cohort Neognathae Pycraft, 1900
     Neoaves Sibley et al. 1988
 see Subcohort Neoaves Sibley et al., 1988
 Neoaves Sibley et al. 1988
 see Subcohort Neoaves Sibley et al., 1988
       Order [Psittaciformes] Wagler, 1830 [monotypic] - parrots
 Order [Psittaciformes] Wagler, 1830 [monotypic] - parrots
         Family Psittacidae Illiger, 1811 - cockatoos and parrots
 Family Psittacidae Illiger, 1811 - cockatoos and parrots
           Subfamily Cacatuinae del Hoyo et al., 2014
 see Family Cacatuidae Gray, 1840
 Subfamily Cacatuinae del Hoyo et al., 2014
 see Family Cacatuidae Gray, 1840
             Genus Calyptorhynchus Desmarest, 1826
 Genus Calyptorhynchus Desmarest, 1826
               1 Calyptorhynchus banksii (Latham, 1790) - red-tailed black-cockatoo
 1 Calyptorhynchus banksii (Latham, 1790) - red-tailed black-cockatoo
               2 Calyptorhynchus lathami (Temminck, 1807) - glossy black-cockatoo
 2 Calyptorhynchus lathami (Temminck, 1807) - glossy black-cockatoo
               3 Calyptorhynchus funereus (Shaw, 1794) - yellow-tailed black-cockatoo
 3 Calyptorhynchus funereus (Shaw, 1794) - yellow-tailed black-cockatoo
               4 Calyptorhynchus latirostris Carnaby, 1948 - slender-billed black-cockatoo
 4 Calyptorhynchus latirostris Carnaby, 1948 - slender-billed black-cockatoo
               5 Calyptorhynchus baudinii Lear, 1832 - white-tailed black-cockatoo
 5 Calyptorhynchus baudinii Lear, 1832 - white-tailed black-cockatoo