Kingdom [Animalia] Linnaeus, 1758 - animals
   Subkingdom Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758
     Division Eumetazoa Butschli, 1910 see Subkingdom Eumetazoa Butschli, 1910
       Subdivision Bilateralia
         Phylum Chordata Bateson, 1885 - chordates
           Subphylum Vertebrata Cuvier, 1812 - vertebrates
             Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
               Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
                 Order Passeriformes Linnaeus, 1758
                   Suborder Clamatores see Suborder Tyranni
                     Superfamily Furnarioidea
                       Family Formicariidae Gray, 1840 - ant-thrushes and antpittas
                         Genus Hylophylax Ridgway, 1909
                           1 Hylophylax naevioides (Lafresnaye, 1847) - spotted antbird
                           2 Hylophylax poecilonota (Cabanis, 1847) - scale-backed antbird see Hylophylax poecilinotus (Cabanis, 1847)