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 Aratinga Spix, 1824
                 Aratinga holochlora (Sclater, 1859) - green parakeet
                   1 Aratinga holochlora brewsteri Nelson, 1928
                   2 Aratinga holochlora holochlora (Sclater, 1859) - green parakeet
                   3 Aratinga holochlora brevipes (Lawrence, 1871) - Socorro parakeet
                   4 Aratinga holochlora rubritorquis (Sclater, 1887) - red-throated parakeet