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 Didunculinae Gray, 1848 [monotypic] Genus Didunculus Peale, 1848 [monotypic] Didunculus strigirostris (Jardine, 1845) - tooth-billed pigeon