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 Cracidae Vigors, 1825 - chachalacas, curassows, guans
             1 Genus Ortalis Merrem, 1786
             2 Genus Penelope Merrem, 1786
             3 Genus Aburria Reichenbach, 1852
             4 Genus Chamaepetes Wagler, 1832
             5 Genus Penelopina Reichenbach, 1862
             6 Genus Oreophasis Gray, 1844
             7 Genus Nothocrax Burmeister, 1856
             8 Genus Crax Linnaeus, 1758