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 Treron Vieillot, 1816
               Treron formosae Swinhoe, 1863 - whistling green-pigeon
                 1 Treron formosae permagnus Stejneger, 1887
                 2 Treron formosae medioximus (Bangs, 1901)
                 3 Treron formosae formosae Swinhoe, 1863
                 4 Treron formosae filipinus Hachisuka, 1952