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 Arini Gray, 1840
               Genus Myiopsitta Bonaparte, 1854 [monotypic]
                 Myiopsitta monachus (Boddaert, 1783) - monk parakeet
                   1 Myiopsitta monachus luschi (Finsch, 1868)
                   2 Myiopsitta monachus cotorra (Vieillot, 1818)
                   3 Myiopsitta monachus monachus (Boddaert, 1783)
                   4 Myiopsitta monachus calita (Jardine & Selby, 1830)