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
                   01 Ortalis vetula (Wagler, 1830) - plain chachalaca
                   02 Ortalis cinereiceps Gray, 1867 - grey-headed chachalaca
                   03 Ortalis garrula (Humboldt, 1805) - chestnut-winged chachalaca
                   04 Ortalis ruficauda Jardine, 1847 - rufous-vented chachalaca
                   05 Ortalis erythroptera Sclater & Salvin, 1870 - rufous-headed chachalaca
                   06 Ortalis wagleri Gray, 1867 - rufous-bellied chachalaca
                   07 Ortalis poliocephala (Wagler, 1830) - West Mexican chachalaca
                   08 Ortalis canicollis (Wagler, 1830) - Chaco chachalaca
                   09 Ortalis leucogastra (Gould, 1843) - white-bellied chachalaca
                   10 Ortalis guttata (Spix, 1825) - speckled chachalaca
                   11 Ortalis motmot (Linnaeus, 1766) - little chachalaca
                   12 Ortalis superciliaris Gray, 1867 - buff-browed chachalaca