Kingdom: Animalia
Phylum: Chordata
Subphylum: Vertebrata
Class: Aves
Subclass: Neornithes (2,057 genera / 9,672 species)
Infraclass: Neoaves (2043 genera / 9,615 species)
Parvclass: Galloanserae
Superorder: Gallomorphae
Order: Galliformes (58/214 grouse, turkeys, pheasants, partridges, guineafowl, quails)
Phylum: Chordata
Subphylum: Vertebrata
Class: Aves
Subclass: Neornithes (2,057 genera / 9,672 species)
Infraclass: Neoaves (2043 genera / 9,615 species)
Parvclass: Galloanserae
Superorder: Gallomorphae
Order: Galliformes (58/214 grouse, turkeys, pheasants, partridges, guineafowl, quails)
- Parvorder: Phasianida
- Superfamily: Phasianoidea
- Family: Phasianidae (45/177 pheasants, grouse, turkeys, partridges)
Superfamily: Numidoidea
- Family: Numididae (4/6 guineafowl)
Parvorder: Odontophorida
- Family: Odontophoridae (4/6 New World quails)