Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
   Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
     Infraclass Neoaves Sibley et al., 1988 see Subcohort Neoaves Sibley et al., 1988
       Parvclass Passerae see Superorder Passerimorphae Sibley et al., 1988
         Superorder Passerimorphae Sibley et al., 1988
           Order Passeriformes Linnaeus, 1758
             Suborder Tyranni - suboscines
               Infraorder Tyrannides Sibley et al., 1988
                 Parvorder Thamnophilida
                   Family Thamnophilidae Swainson, 1824 - antbirds
                     Genus Hylophylax Ridgway, 1909
                       1 Hylophylax naevioides (Lafresnaye, 1847) - spotted antbird
                       2 Hylophylax naevia (J.F. Gmelin, 1789) - spot-backed antbird see Hylophylax naevius (J.F. Gmelin, 1789)
                       3 Hylophylax punctulata (DesMurs, 1856) - dot-backed antbird see Hylophylax punctulatus (Des Murs, 1856)
                       4 Hylophylax poecilonota (Cabanis, 1847) - scale-backed antbird see Hylophylax poecilinotus (Cabanis, 1847)