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 Eriocnemis Reichenbach, 1849
               01 Eriocnemis nigrivestis (Bourcier & Mulsant, 1852) - black-breasted puffleg
               02 Eriocnemis vestita (Lesson, 1838)
               03 Eriocnemis derbyi (DeLattre & Bourcier, 1846) - black-thighed puffleg
               04 Eriocnemis godini (Bourcier, 1851) - turquoise-throated puffleg
               05 Eriocnemis cupreoventris (Fraser, 1840) - coppery-bellied puffleg
               06 Eriocnemis luciani (Bourcier, 1847) - sapphire-vented puffleg
               07 Eriocnemis mosquera (DeLattre & Bourcier, 1846) - golden-breasted puffleg
               08 Eriocnemis glaucopoides (d'Orbigny & Lafresnaye, 1838) - blue-capped puffleg
               09 Eriocnemis mirabilis Meyer de Schauensee, 1967 - colorful puffleg
               10 Eriocnemis alinae (Bourcier, 1842) - emerald-bellied puffleg