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 Platycercini
               Genus Psittacella Schlegel, 1871
                 Psittacella modesta Schlegel, 1871 - modest tiger-parrot
                   1 Psittacella modesta modesta Schlegel, 1871
                   2 Psittacella modesta subcollaris Rand, 1941
                   3 Psittacella modesta collaris Ogilvie-Grant, 1914