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] Falconiformes Sharpe, 1874
         Family Falconidae Vigors, 1824 - falcons, caracaras
           Subfamily Falconinae Vigors, 1824 - falcons
             Genus Polihierax Kaup, 1847
               Polihierax semitorquatus (Smith, 1836) - pygmy falcon
                 1 Polihierax semitorquatus castanotus (Heuglin, 1860) see Polihierax semitorquatus castanonotus (Heuglin, 1860)
                 2 Polihierax semitorquatus semitorquatus (Smith, 1836)