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 Sylviidae Leach, 1820 - Old World warblers
                 Subfamily Phylloscopinae
                   Genus Seicercus Swainson, 1837
                     01 Seicercus affinis (Hodgson, 1854)
                     02 Seicercus burkii (E. Burton, 1836)
                     03 Seicercus tephrocephalus (Anderson, 1871)
                     04 Seicercus whistleri Ticehurst, 1925
                     05 Seicercus valentini (E. Hartert, 1907)
                     06 Seicercus omeiensis Martens et al., 1999
                     07 Seicercus soror Alström & Olsson, 1999
                     08 Seicercus xanthoschistos (J.E. Gray & G.R. Gray, 1846)
                     09 Seicercus poliogenys (Blyth, 1847)
                     10 Seicercus castaniceps (Hodgson, 1845)
                     11 Seicercus montis (Sharpe, 1887)
                     12 Seicercus grammiceps (Strickland, 1849)