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 Phaenicophaeinae
               Genus Coccyzus Vieillot, 1816
                 Coccyzus americanus (C. Linnaeus, 1758) - yellow-billed cuckoo
                 Coccyzus cinereus Vieillot, 1817 - ash-colored cuckoo
                 Coccyzus erythrophthalmus (Wilson, 1811) see Coccyzus erythropthalmus (Wilson, 1811)
                 Coccyzus euleri Cabanis, 1873 - pearly-breasted cuckoo
                 Coccyzus ferrugineus Gould, 1843 - Cocos cuckoo
                 Coccyzus lansbergi Bonaparte, 1850 - grey-capped cuckoo
                 Coccyzus melacoryphus Vieillot, 1817 - dark-billed cuckoo
                 Coccyzus minor (J.F. Gmelin, 1788) - mangrove cuckoo
                 Coccyzus pumilus Strickland, 1852 - dwarf cuckoo