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
Family Cracidae Vigors, 1825 - chachalacas, curassows, guans
Subfamily Penelopinae Bonaparte, 1831 - guans
Genus Ortalis Merrem, 1786
Ortalis ruficauda Jardine, 1847 - rufous-vented chachalaca
1 Ortalis ruficauda ruficrissa Sclater & Salvin, 1870 - rufous-vented chachalaca
2 Ortalis ruficauda ruficaudaᵀ Jardine, 1847 - rufous-tipped chachalaca