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 Chlorostilbon Gould, 1861[1853]
               01 Chlorostilbon notatus (Reich, 1795)
               02 Chlorostilbon auriceps (Gould, 1852)
               03 Chlorostilbon forficatus Ridgway, 1885
               04 Chlorostilbon canivetii (Lesson, 1832) - fork-tailed emerald
               05 Chlorostilbon assimilis Lawrence, 1861 - garden emerald
               06 Chlorostilbon mellisugus (C. Linnaeus, 1758) - blue-tailed emerald
               07 Chlorostilbon olivaresi Stiles, 1996 - Chiribiquete emerald
               08 Chlorostilbon aureoventris (d'Orbigny & Lafresnaye, 1838) - glittering-bellied emerald
               09 ‡Chlorostilbon bracei (Lawrence, 1877) - Brace's emerald
               10 Chlorostilbon ricordii (Gervais, 1835) - Cuban emerald
               11 Chlorostilbon swainsonii (Lesson, 1829) - Hispaniolan emerald
               12 Chlorostilbon maugaeus (Audebert & Vieillot, 1801) - Puerto Rican emerald
               13 Chlorostilbon russatus (Salvin & Godman, 1881) - coppery emerald
               14 Chlorostilbon stenurus (Cabanis & Heine, 1860)
               15 Chlorostilbon alice (Bourcier & Mulsant, 1848) - green-tailed emerald
               16 Chlorostilbon poortmani (Bourcier, 1843) - short-tailed emerald
               17 ‡Chlorostilbon elegans (Gould, 1860)