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 Penelope Merrem, 1786
Penelope jacquacu Spix, 1825 - Spix's guan
Penelope jacquacu jacquacuᵀ Spix, 1825 - Spix's guan