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 Furnariida
                   Superfamily Formicarioidea
                     Family Conopophagidae Sclater & Salvin, 1873 - gnateaters
                       Genus Conopophaga Vieillot, 1816
                         1 Conopophaga lineata (Wied, 1831) - rufous gnateater
                         2 Conopophaga aurita (J.F. Gmelin, 1789) - chestnut-belted gnateater
                         3 Conopophaga roberti Hellmayr, 1905 - hooded gnateater
                         4 Conopophaga peruviana Des Murs, 1856 - ash-throated gnateater
                         5 Conopophaga ardesiaca d'Orbigny & Lafresnaye, 1837 - slaty gnateater
                         6 Conopophaga castaneiceps P.L. Sclater, 1857 - chestnut-crowned gnateater
                         7 Conopophaga melanops (Vieillot, 1818) - black-cheeked gnateater
                         8 Conopophaga melanogaster Ménétriés, 1835 - black-bellied gnateater