Phylum Chordata Bateson, 1885 - chordates
   Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
     Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
       Superorder Neognathae Pycraft, 1900 see Cohort Neognathae Pycraft, 1900
         Order Psittaciformes Wagler, 1830 - parrots
           Family Psittacidae Illiger, 1811 - cockatoos and parrots
             Subfamily Micropsittinae
               Genus Micropsitta Lesson, 1831
                 Micropsitta bruijnii (Salvadori, 1875) - red-breasted pygmy-parrot
                 Micropsitta finschii (Ramsay, 1881) - Finsch's pygmy-parrot
                 Micropsitta geelvinkiana (Schlegel, 1871) - Geelvink pygmy-parrot
                 Micropsitta keiensis (Salvadori, 1876) - yellow-capped pygmy-parrot
                 Micropsitta meeki Rothschild & Hartert, 1914 - Meek's pygmy-parrot
                 Micropsitta pusio (Sclater, 1866) - buff-faced pygmy-parrot