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 Formicariidae Gray, 1840 - ant-thrushes and antpittas
                       Genus Grallaria Vieillot, 1816
                         Grallaria gigantea Lawrence, 1866 - giant antpitta
                           Grallaria gigantea giganteaᵀ Lawrence, 1866 - giant antpitta