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 Acryllium Gray, 1840 [monotypic]
               1 Acryllium vulturinum (Hardwicke, 1834) - vulturine guineafowl