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
             Genus Cercococcyx Cabanis, 1882
               1 Cercococcyx mechowi Cabanis, 1882 - dusky long-tailed cuckoo
               2 Cercococcyx olivinus Sassi, 1912 - olive long-tailed cuckoo
               3 Cercococcyx montanus Chapin, 1928 - barred long-tailed cuckoo