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 Hemiphaga Bonaparte, 1854 [monotypic] Hemiphaga novaeseelandiae (Gmelin, 1789) - New Zealand pigeon Hemiphaga novaeseelandiae chathamensis (Rothschild, 1891) - chatham island pigeon