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 Corvida Sibley et al., 1988
                 Superfamily Corvoidea
                   Family Corvidae Vigors, 1825 - crows, jays
                     Subfamily Pachycephalinae see Family Pachycephalidae Swainson, 1831
                       Tribe Pachycephalini see Family Pachycephalidae Swainson, 1831
                         Genus Pachycephala Vigors, 1825
                           01 Pachycephala olivacea Vigors & Horsfield, 1827
                           02 Pachycephala rufogularis Gould, 1841 - red-lored whistler
                           03 Pachycephala inornata Gould, 1841 - Gilbert's whistler
                           04 Pachycephala grisola (Blyth, 1843)
                           05 Pachycephala albiventris (Ogilvie-Grant, 1894)
                           06 Pachycephala homeyeri (W.H. Blasius, 1890)
                           07 Pachycephala phaionotus (Bonaparte, 1850) see Pachycephala phaionota (Bonaparte, 1850)
                           08 Pachycephala hyperythra Salvadori, 1876
                           09 Pachycephala modesta (De Vis, 1894)
                           10 Pachycephala hypoxantha (Sharpe, 1887) - Bornean whistler
                           11 Pachycephala sulfuriventer (Walden, 1872)
                           12 Pachycephala philippinensis (Walden, 1872)
                           13 Pachycephala meyeri Salvadori, 1890
                           14 Pachycephala griseiceps Gray, 1858 see Pachycephala simplex griseiceps G.R. Gray, 1858
                           15 Pachycephala simplex Gould, 1843
                           16 Pachycephala orpheus Jardine, 1849
                           17 Pachycephala pectoralis (Latham, 1802)
                           18 Pachycephala soror P.L. Sclater, 1874
                           19 Pachycephala lorentzi Mayr, 1931
                           20 Pachycephala melanura Gould, 1843
                           21 Pachycephala caledonica (J.F. Gmelin, 1789)
                           22 Pachycephala flavifrons (Peale, 1848)
                           23 Pachycephala jacquinoti Bonaparte, 1850
                           24 Pachycephala schlegelii Schlegel, 1871
                           25 Pachycephala nudigula E. Hartert, 1897 - bare-throated whistler
                           26 Pachycephala implicata E. Hartert, 1929
                           27 Pachycephala aurea Reichenow, 1899
                           28 Pachycephala griseonota G.R. Gray, 1862
                           29 Pachycephala arctitorquis Sclater, 1883 see Pachycephala monacha arctitorquis
                           30 Pachycephala monacha G.R. Gray, 1858
                           31 Pachycephala leucogastra Salvadori & Albertis, 1875 see Pachycephala monacha leucogastra
                           32 Pachycephala rufiventris (Latham, 1802)
                           33 Pachycephala lanioides Gould, 1840