Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
   Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
     Infraclass Neoaves Sibley et al., 1988 see Subcohort Neoaves Sibley et al., 1988
       Parvclass Galloanserae Sibley, Ahlquist & Monroe Jr., 1988 see Subcohort Galloanserae Sibley, Ahlquist & Monroe Jr., 1988
         Superorder Gallomorphae see Order Galliformes Temminck, 1820
           Order Craciformes see Order Galliformes Temminck, 1820
             Suborder Craci Sharpe, 1891
               Family Cracidae Vigors, 1825 - chachalacas, curassows, guans
                 Genus Ortalis Merrem, 1786
                   Ortalis guttata (Spix, 1825) - speckled chachalaca
                     1 Ortalis guttata columbiana Hellmayr, 1906 - Colombian chachalaca
                     2 Ortalis guttata guttataᵀ (Spix, 1825) - speckled chachalaca
                     3 Ortalis guttata araucuan (Spix, 1825) - Brazilian chachalaca
                     4 Ortalis guttata squamata Lesson, 1829 - scaled chachalaca