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 Eurylaimides
                 Superfamily Eurylaimoidea
                   Family Eurylaimidae - broadbills
                     Genus Smithornis Bonaparte, 1850
                       Smithornis sharpei Alexander, 1903 - grey-headed broadbill