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] Passeriformes Linnaeus, 1758
         oscines see Suborder Oscines
           "Corvida" - corvidans see Parvorder Corvida Sibley et al., 1988
             Family Pachycephalidae Swainson, 1831 - whistlers
               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 phaionota (Bonaparte, 1850)
                 08 Pachycephala hyperythra Salvadori, 1876
                 09 Pachycephala modesta (De Vis, 1894)
                 10 Pachycephala philippinensis (Walden, 1872)
                 11 Pachycephala sulfuriventer (Walden, 1872)
                 12 Pachycephala hypoxantha (Sharpe, 1887) - Bornean whistler
                 13 Pachycephala meyeri Salvadori, 1890
                 14 Pachycephala simplex Gould, 1843
                 15 Pachycephala orpheus Jardine, 1849
                 16 Pachycephala soror P.L. Sclater, 1874
                 17 Pachycephala fulvotincta Wallace, 1864
                 18 Pachycephala macrorhyncha Strickland, 1849
                 19 Pachycephala mentalis Wallace, 1863
                 20 Pachycephala pectoralis (Latham, 1802)
                 21 Pachycephala citreogaster E.P. Ramsay, 1876
                 22 Pachycephala orioloides Pucheran, 1853
                 23 Pachycephala caledonica (J.F. Gmelin, 1789)
                 24 Pachycephala vitiensis G.R. Gray, 1859
                 25 Pachycephala jacquinoti Bonaparte, 1850
                 26 Pachycephala melanura Gould, 1843
                 27 Pachycephala flavifrons (Peale, 1848)
                 28 Pachycephala implicata E. Hartert, 1929
                 29 Pachycephala nudigula E. Hartert, 1897 - bare-throated whistler
                 30 Pachycephala lorentzi Mayr, 1931
                 31 Pachycephala schelgelii nom. null. see Pachycephala schlegelii Schlegel, 1871
                 32 Pachycephala aurea Reichenow, 1899
                 33 Pachycephala rufiventris (Latham, 1802)
                 34 Pachycephala monacha G.R. Gray, 1858
                 35 Pachycephala griseonota G.R. Gray, 1862
                 36 Pachycephala lanioides Gould, 1840