Concise hierarchy

(Kingdom) Animalia - (Phylum) Chordata - (Class) Reptilia - (Order) Opisthocomiformes

Current position

Opisthocomiformes (Order) L'Herminer, 1837

Ref: B.C. Livezey & R.L. Zusi, 2007: 93.

Alternative positions

Cuculiformes (Order) Wagler, 1830	Ref: R.L. Carroll, 1988: 624.
Galliformes (Order) Temminck, 1820	Ref: P. Brodkorb, 1964: 306.
Opisthocomi (Suborder)	Ref: B. Grzimek et al., 1975 (1969): 557.
Opisthocomida (Parvorder)	Ref: B.L. Monroe Jr. & C.G. Sibley, 1993: 48.

Historical positions

Opisthocomiformes (Order) L'Herminer, 1837	Ref: B.C. Livezey & R.L. Zusi, 2007: 93.
Neoaves (Clade) Sibley et al. 1988	Ref: E.C. Dickinson, 2003: 23, 205. [implicit]
Cuculiformes (Order) Wagler, 1830	Ref: 1995
Opisthocomida (Parvorder)	Ref: B.L. Monroe Jr. & C.G. Sibley, 1993: 48.
Cuculiformes (Order) Wagler, 1830	Ref: C.M. Perrins, 1991 (1990): 378.
Cuculiformes (Order) Wagler, 1830	Ref: R.L. Carroll, 1988: 624.
Opisthocomiformes (Order) L'Herminer, 1837	Ref: W.J. Bock, 1982: 979.
Galliformes (Order) Temminck, 1820	Ref: T.I. Storer et al., 1979
Opisthocomi (Suborder)	Ref: B. Grzimek et al., 1975 (1969): 557.
Galliformes (Order) Temminck, 1820	Ref: P. Brodkorb, 1964: 306.

Number of Subtaxa

2026	Available in Systema Naturae 2000	1g;1s; †1g;1s
1989-present	Systema Naturae 2000: 25 Mar 2019	[1g;1s; †1g;1s]
2003	E.C. Dickinson: 23	1g;1s
1993	B.L. Monroe Jr. & C.G. Sibley	1g;1s
1991 (1990)	C.M. Perrins	1g1s
1982	W.J. Bock	1g;1s
1964	P. Brodkorb	[; †1g]