Neornithes Gadow, 1893 - living birds
   Neognathae Pycraft 1900 see Cohort Neognathae Pycraft, 1900
     Neoaves Sibley et al. 1988 see Subcohort Neoaves Sibley et al., 1988
       [Order] Cuculiformes Wagler, 1830 - cuckoos and plantain-eaters
         Family Cuculidae Vigors, 1825 - cuckoos
           Subfamily Cuculinae Vigors, 1825
             01 Genus Clamator Kaup, 1829
             02 Genus Pachycoccyx Cabanis, 1882 [monotypic]
             03 Genus Cuculus Linnaeus, 1758
             04 Genus Cercococcyx Cabanis, 1882
             05 Genus Cacomantis S. Müller, 1842
             06 Genus Chrysococcyx Boie, 1826
             07 Genus Rhamphomantis Salvadori, 1878 [monotypic]
             08 Genus Surniculus Lesson, 1830
             09 Genus Caliechthrus Cabanis & Heine, 1862-1863[1863] [monotypic]
             10 Genus Microdynamis Salvadori, 1878 [monotypic]
             11 Genus Eudynamys Vigors & Horsfield, 1827 [monotypic]
             12 Genus Urodynamis Salvadori, 1880 [monotypic]
             13 Genus Scythrops Latham, 1790 [monotypic]