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
               Genus Neomorphus Gloger, 1827
                 Neomorphus geoffroyi (Temminck, 1820) - rufous-vented ground-cuckoo
                 Neomorphus pucheranii (Deville, 1851) - red-billed ground-cuckoo
                 Neomorphus radiolosus Sclater & Salvin, 1878 - banded ground-cuckoo
                 Neomorphus rufipennis (G.R. Gray, 1849) - rufous-winged ground-cuckoo
                 Neomorphus squamiger Todd, 1925 - scaled ground-cuckoo