Kingdom [Animalia] Linnaeus, 1758 - animals
   Subkingdom Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758
     Division Eumetazoa Butschli, 1910 see Subkingdom Eumetazoa Butschli, 1910
       Subdivision Bilateralia
         Phylum Chordata Bateson, 1885 - chordates
           Subphylum Vertebrata Cuvier, 1812 - vertebrates
             Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
               Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
                 Order Apodiformes Peters, 1940 - swifts
                   Family Apodidae Hartert, 1897 - swifts
                     Subfamily Chaeturinae see Subfamily Apodinae Hartert, 1897
                       Genus Collocalia G.R. Gray, 1840
                         1 Collocalia gigas Hartert & Butler, 1901 see Hydrochous gigas (Hartert & Butler, 1901)
                         2 Collocalia vestita (Lesson, 1843) see Aerodramus fuciphagus vestitus (Lesson, 1843)
                         3 Collocalia brevirostris (Horsfield, 1840) - Himalayan swiftlet see Aerodramus brevirostris (Horsfield, 1840)
                         4 Collocalia francica (J.F. Gmelin, 1789) - Mascarene swiftlet see Aerodramus francicus (J.F. Gmelin, 1789)