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 [Columbiformes] Latham, 1790 - pigeons and allies
         Family Pteroclididae - sandgrouse see Family Pteroclidae Bonaparte, 1831
           Genus Pterocles Temminck, 1815
             Pterocles decoratus Cabanis, 1868 - black-faced sandgrouse
               1 Pterocles decoratus ellenbecki Erlanger, 1905
               2 Pterocles decoratus decoratus Cabanis, 1868
               3 Pterocles decoratus loveridgei (Friedmann, 1928)