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
           1 Subfamily Nestorinae Bonaparte, 1849 see Family Nestoridae Bonaparte, 1850
           2 Subfamily Strigopinae Bonaparte, 1849
           3 Subfamily Psittrichadinae
           4 Subfamily Loriculinae Gale, 2016 [monotypic]
           5 Subfamily Micropsittinae [monotypic]
           6 Subfamily Cacatuinae del Hoyo et al., 2014 see Family Cacatuidae Gray, 1840
           7 Subfamily Loriinae (Selby, 1836) see Family Loriinidae Selby, 1836
           8 Subfamily Psittacinae Illiger, 1811 - typical parrots