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 Cuculiformes Wagler, 1830 - cuckoos and plantain-eaters
                   Family Cuculidae Vigors, 1825 - cuckoos
                     1 Subfamily Cuculinae Vigors, 1825
                     2 Subfamily Coccyzinae Swainson, 1837 see Subfamily Phaenicophaeinae
                     3 Subfamily Phaenicophaeinae
                     4 Subfamily Crotophaginae Swainson, 1837
                     5 Subfamily Geococcyginae Reichenow - ground cuckoos see Subfamily Neomorphinae Shelley, 1891
                     6 Subfamily Couinae Gray - couas see Family Cuculidae Vigors, 1825
                     7 Subfamily Centropodinae Horsfield, 1823