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
           Passerida - passeridans see Parvorder Passerida (C. Linnaeus, 1758) Sibley et al., 1988
             Sylvioidea
               Family Paridae Vigors, 1825 - tits, chickadees
                 Genus Parus Linnaeus, 1758
                   01 Parus funereus (J. Verreaux & E. Verreaux, 1855)
                   02 Parus niger Vieillot, 1818
                   03 Parus leucomelas Rüppell, 1840
                   04 Parus carpi Macdonald & Hall, 1957
                   05 Parus albiventris Shelley, 1881
                   06 Parus leuconotus Guérin-Méneville, 1843
                   07 Parus fasciiventer Reichenow, 1893 - stripe-breasted tit
                   08 Parus fringillinus Fischer & Reichenow, 1884
                   09 Parus rufiventris Bocage, 1877
                   10 Parus thruppi Shelley, 1885
                   11 Parus afer J.F. Gmelin, 1789
                   12 Parus cinerascens Vieillot, 1818
                   13 Parus griseiventris Reichenow, 1882
                   14 Parus nuchalis Jerdon, 1845
                   15 Parus major Linnaeus, 1758
                   16 Parus bokharensis M.H.K. Lichtenstein, 1823
                   17 Parus monticolus Vigors, 1831
                   18 Parus venustulus Swinhoe, 1870
                   19 Parus elegans Lesson, 1831
                   20 Parus amabilis Sharpe, 1877 - Palawan tit
                   21 Parus xanthogenys Vigors, 1831
                   22 Parus spilonotus Bonaparte, 1850
                   23 Parus holsti Seebohm, 1894
                   24 Parus caeruleus Linnaeus, 1758
                   25 Parus cyanus Pallas, 1770
                   26 Parus flavipectus Severtsov, 1873
                   27 Parus rubidiventris Blyth, 1847
                   28 Parus rufonuchalis Blyth, 1849
                   29 Parus melanolophus Vigors, 1831
                   30 Parus ater Linnaeus, 1758
                   31 Parus varius Temminck & Schlegel, 1848
                   32 Parus semilarvatus (Salvadori, 1865)
                   33 Parus palustris Linnaeus, 1758
                   34 Parus hypermelaenus (Berezowski & Bianchi, 1891)
                   35 Parus lugubris Temminck, 1820
                   36 Parus montanus Conrad von Baldenstein, 1827
                   37 Parus songarus Severtsov, 1873
                   38 Parus carolinensis Audubon, 1834 - carolina chickadee
                   39 Parus atricapillus Linnaeus, 1766 - black-capped chickadee
                   40 Parus gambeli Ridgway, 1886 - mountain chickadee
                   41 Parus sclateri O. Kleinschmidt, 1897 - Mexican chickadee
                   42 Parus superciliosus (Przevalski, 1876)
                   43 Parus davidi (Berezowski & Bianchi, 1891)
                   44 Parus cinctus Boddaert, 1783 - siberian tit
                   45 Parus hudsonicus J.R. Forster, 1772 - boreal chickadee
                   46 Parus rufescens J.K. Townsend, 1837 - chestnut-backed chickadee
                   47 Parus dichrous Blyth, 1844
                   48 Parus cristatus Linnaeus, 1758
                   49 Parus wollweberi (Bonaparte, 1850) - bridled titmouse
                   50 Parus inornatus Gambel, 1845 - plain titmouse
                   51 Parus ridgwayi Richmond, 1902
                   52 Parus bicolor Linnaeus, 1766 - tufted titmouse