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
         suboscines see Suborder Suboscines
           Tyranni see Suborder Tyranni
             Family Thamnophilidae Swainson, 1824 - antbirds
               Genus Percnostola Cabanis & Heine, 1859
                 1 Percnostola rufifrons (J.F. Gmelin, 1789) - black-headed antbird
                 2 Percnostola minor Pelzeln, 1868
                 3 Percnostola arenarum Isler et al., 2002
                 4 Percnostola lophotes Hellmayr & Seilern, 1914 - white-lined antbird