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
phasianoids
see Superfamily Phasianoidea Vigors, 1825
Family Phasianidae Vigors, 1825 - turkeys, grouse, pheasants, partridges
Subfamily Tetraoninae Vigors - grouse
see Family Tetraonidae Vigors, 1825
Genus Tympanuchus Gloger, 1841
Tympanuchus cupido (Linnaeus, 1758) - greater prairie chicken
1 Tympanuchus cupido pinnatus (Brewster, 1885)
2 Tympanuchus cupido attwateri Bendire, 1893 - Attwater's greater prairie chicken
3 ‡Tympanuchus cupido cupidoᵀ (Linnaeus, 1758)