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
             Muscicapoidea
               Family Muscicapidae Fleming, 1822 - chats and Old World flycatchers
                 Subfamily Saxicolinae - chats
                   Genus Trichixos Lesson, 1839 [monotypic]
                     1 Trichixos pyrrhopygus Lesson, 1839 see Trichixos pyrropygus Lesson, 1839