Neornithes Gadow, 1893 - living birds
   Neognathae Pycraft 1900 see Cohort Neognathae Pycraft, 1900
     Galloanserae Sibley, Ahlquist & Monroe Jr., 1988 see Subcohort Galloanserae Sibley, Ahlquist & Monroe Jr., 1988
       [Order] Galliformes Temminck, 1820 - fowl
         phasianoids see Superfamily Phasianoidea Vigors, 1825
           Family Numididae Reichenbach, 1850 - guineafowl see Subfamily Numidinae Reichenbach, 1850
             Genus Agelastes Bonaparte, 1850
               1 Agelastes meleagrides Bonaparte, 1850 - white-breasted guineafowl
               2 Agelastes niger (Cassin, 1857) - black guineafowl