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 curvirostra (Gmelin, 1789) - thick-billed green-pigeon Treron curvirostra hainanus Hartert & Goodson, 1918