Phylum Chordata Bateson, 1885 - chordates
   Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
     Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
       Superorder Neognathae Pycraft, 1900 see Cohort Neognathae Pycraft, 1900
         Order Galliformes Temminck, 1820 - fowl
           Family Numididae Reichenbach, 1850 - guineafowl see Subfamily Numidinae Reichenbach, 1850
             1 Genus Phasidus Cassin, 1856 see Genus Agelastes Bonaparte, 1850
             2 Genus Agelastes Bonaparte, 1850
             3 Genus Numida Linnaeus, 1764
             4 Genus Guttera Wagler, 1832
             5 Genus Acryllium Gray, 1840