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] Passeriformes Linnaeus, 1758
         oscines see Suborder Oscines
           Passerida - passeridans see Parvorder Passerida (C. Linnaeus, 1758) Sibley et al., 1988
             Sylvioidea
               Family Hirundinidae Rafinesque, 1815 - swallows, martins
                 Subfamily Hirundininae
                   Genus Psalidoprocne Cabanis, 1850
                     1 Psalidoprocne nitens (Cassin, 1857)
                     2 Psalidoprocne fuliginosa Shelley, 1887
                     3 Psalidoprocne albiceps P.L. Sclater, 1864
                     4 Psalidoprocne pristoptera (Rüppell, 1836)
                     5 Psalidoprocne obscura (Hartlaub, 1855)