Class Aves Linnaeus, 1758 - birds
see Subclass Aves Linnaeus, 1758
Subclass Neornithes Gadow, 1893
see Clade Neornithes Gadow, 1893
Infraclass Neoaves Sibley et al., 1988
see Subcohort Neoaves Sibley et al., 1988
Parvclass Passerae
see Superorder Passerimorphae Sibley et al., 1988
Superorder Passerimorphae Sibley et al., 1988
Order Columbiformes Latham, 1790 - pigeons and allies
Family Columbidae Illiger, 1811 - doves, pigeons
Genus Treron Vieillot, 1816
Treron sanctithomae (Gmelin, 1789) - Sao Tome green-pigeon