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] Apodiformes Peters, 1940 - swifts
         Family Trochilidae Vigors, 1825 - hummingbirds
           Subfamily Trochilinae Jardine, 1833 - typical hummingbirds
             Genus Selasphorus Swainson, 1832
               1 Selasphorus platycercus (Swainson, 1827) - broad-tailed hummingbird
               2 Selasphorus rufus (J.F. Gmelin, 1788) - rufous hummingbird
               3 Selasphorus sasin (Lesson, 1829) - Allen's hummingbird
               4 Selasphorus flammula Salvin, 1865 - volcano hummingbird
               5 Selasphorus ardens Salvin, 1870 - glow-throated hummingbird
               6 Selasphorus scintilla (Gould, 1851) - scintillant hummingbird