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 Phaenicophaeinae
             Genus Ceuthmochares Cabanis & Heine, 1862-1863[1863] [monotypic]
               Ceuthmochares aereus (Vieillot, 1817) - yellowbill
                 1 Ceuthmochares aereus flavirostris (Swainson, 1837)
                 2 Ceuthmochares aereus aereus (Vieillot, 1817)
                 3 Ceuthmochares aereus australis Sharpe, 1873