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] Coraciiformes Forbes, 1884 - rollerlike birds
         Family Bucerotidae Vigors - hornbills
           Genus Penelopides Reichenbach, 1849
             1 Penelopides exarhatus (Temminck, 1823) - Sulawesi hornbill
             2 Penelopides panini (Boddaert, 1783) - Tarictic hornbill