Kingdom [Animalia] Linnaeus, 1758 - animals
Ref: I. Eibl-Eibesfeldt et al., 1975 (1971) [inferred name]; Count: -
   Subkingdom Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758
  Ref: I. Eibl-Eibesfeldt et al., 1975 (1971): 587 [implicit position]; Count: -
     Division Eumetazoa Butschli, 1910 see Subkingdom Eumetazoa Butschli, 1910
    Ref: I. Eibl-Eibesfeldt et al., 1975 (1971): 590; Count: -
       Subdivision Bilateralia
      Ref: I. Eibl-Eibesfeldt et al., 1975 (1971): 596; Count: -
         Phylum Chordata Bateson, 1885 - chordates
        Ref: B. Grzimek, 1973-1975; Count: -
           Subphylum Vertebrata Cuvier, 1812 - vertebrates
          Ref: B. Grzimek et al., 1974: 531; Count: -
             Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
            Ref: B. Grzimek et al., 1973 (1968): 569; Count: 26o;153f;1626g;3765s;425ss;1v; ‡1f;17g;53s;12ss; †2f
               Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
              Ref: B. Grzimek et al., 1973 (1968): 569; Count: 26o;153f;1626g;3765s;425ss;1v; ‡1f;17g;53s;12ss; †2f
                 Order Cuculiformes Wagler, 1830 - cuckoos and plantain-eaters
                Ref: B. Grzimek et al., 1975 (1969): 574; Count: 2f;40g;90s;6ss; ‡1s
                   Family Cuculidae Vigors, 1825 - cuckoos
                  Ref: B. Grzimek et al., 1975 (1969): 575; Count: 36g;75s;2ss; ‡1s
                     Subfamily Geococcyginae Reichenow - ground cuckoos see Subfamily Neomorphinae Shelley, 1891
                    Ref: B. Grzimek et al., 1975 (1969): 576; Count: 6g;8s
                       Genus Morococcyx P.L. Sclater, 1862
                      Ref: B. Grzimek et al., 1975 (1969): 576; Count: 1s
                         Morococcyx erythropygus (Lesson, 1842) - lesser ground-cuckoo
                        Ref: B. Grzimek et al., 1975 (1969): 576; Count: -