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 Piciformes Meyer & Wolf, 1810 - scansorial birds
                   Superfamily Picoidea Vigors, 1825
                     Family Picidae Vigors, 1825 - woodpeckers
                       Subfamily Picinae Vigors, 1825 - true woodpeckers
                         Genus Dryocopus Boie, 1826
                           1 Dryocopus martius (C. Linnaeus, 1758) - black woodpecker
                           2 Dryocopus javensis (Horsfield, 1821) - white-bellied woodpecker
                           3 Dryocopus pileatus (C. Linnaeus, 1758) - pileated woodpecker
                           4 Dryocopus lineatus (C. Linnaeus, 1766) - lineated woodpecker
                           5 Dryocopus erythrops (Valenciennes, 1826) see Dryocopus lineatus (C. Linnaeus, 1766)
                           6 Dryocopus schulzi (Cabanis, 1883) - black-bodied woodpecker
                           7 Dryocopus galeatus (Temminck, 1822) - helmeted woodpecker