Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
   Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
     Infraclass Neoaves Sibley et al., 1988 see Subcohort Neoaves Sibley et al., 1988
       Parvclass Passerae see Superorder Passerimorphae Sibley et al., 1988
         Superorder Passerimorphae Sibley et al., 1988
           Order Passeriformes Linnaeus, 1758
             Suborder Passeri see Suborder Passeres (C. Linnaeus, 1758) C. Linnaeus, 1766
               Parvorder Passerida (C. Linnaeus, 1758) Sibley et al., 1988
                 Superfamily Sylvioidea
                   Family Pycnonotidae Gray, 1840 - bulbuls
                     01 Genus Spizixos Blyth, 1845
                     02 Genus Pycnonotus Boie, 1826
                     03 Genus Andropadus Swainson, 1831[1832]
                     04 Genus Calyptocichla Oberholser, 1905
                     05 Genus Baeopogon Heine, 1860
                     06 Genus Ixonotus Verreaux & Verreaux, 1851
                     07 Genus Chlorocichla Sharpe, 1882
                     08 Genus Thescelocichla Oberholser, 1905
                     09 Genus Phyllastrephus Swainson, 1832
                     10 Genus Bleda Bonaparte, 1857
                     11 Genus Nicator Hartlaub & Finsch, 1870
                     12 Genus Criniger Temminck, 1820
                     13 Genus Alophoixus Oates, 1889 see Genus Criniger Temminck, 1820
                     14 Genus Setornis Lesson, 1839
                     15 Genus Tricholestes Salvadori, 1874
                     16 Genus Iole Blyth, 1844
                     17 Genus Ixos auct. see Genus Ixos Temminck, 1825
                     18 Genus Hemixos Blyth, 1845
                     19 Genus Hypsipetes Vigors, 1831
                     20 Genus Neolestes Cabanis, 1875
                     21 Genus Malia Schlegel, 1880