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 [Columbiformes] Latham, 1790 - pigeons and allies
         Family Columbidae Illiger, 1811 - doves, pigeons
           Subfamily Treroninae
             Genus Ducula Hodgson, 1836
               Ducula oceanica (Lesson & Garnot, 1826) - Micronesian imperial-pigeon
                 1 Ducula oceanica monacha (Momiyama, 1922)
                 2 Ducula oceanica teraokai (Momiyama, 1922)
                 3 Ducula oceanica townsendi (Wetmore, 1919)
                 4 Ducula oceanica oceanica (Lesson & Garnot, 1826)
                 5 Ducula oceanica ratakensis (Taka-Tsukasa & Yamashina, 1932)