Phylum Chordata Bateson, 1885 - chordates
   Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
     Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
       Superorder Neognathae Pycraft, 1900 see Cohort Neognathae Pycraft, 1900
         Order Cuculiformes Wagler, 1830 - cuckoos and plantain-eaters
           Family Cuculidae Vigors, 1825 - cuckoos
             Subfamily Neomorphinae Shelley, 1891
               1 Genus Tapera Thunberg, 1819
               2 Genus Morococcyx P.L. Sclater, 1862
               3 Genus Dromococcyx Wied, 1832
               4 Genus Geococcyx Wagler, 1831
               5 Genus Neomorphus Gloger, 1827
               6 Genus Carpococcyx G.R. Gray, 1840