Concise hierarchy

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

Current position

Falconimorphae (Superorder) Seebohm, 1890

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

Alternative positions

Neognathae (Superorder) Pycraft, 1900	Ref: R.L. Carroll, 1988: 625.
Neornithes (Subclass) Gadow, 1893	Ref: B. Grzimek et al., 1973 (1968): 582.
unnamed (Infraorder)	Ref: M.J. Benton, 2005: 399.

Historical positions

Falconimorphae (Superorder) Seebohm, 1890	Ref: B.C. Livezey & R.L. Zusi, 2007: 93.
unnamed (Infraorder)	Ref: M.J. Benton, 2005: 399, box 9.4.
Neoaves (Clade) Sibley et al. 1988	Ref: J. Cracraft et al., 2003: 17. [inferred rank]
Aves (Class) Linnaeus, 1758	Ref: 1995
Neognathae (Superorder) Pycraft, 1900	Ref: C.M. Perrins, 1991 (1990): 20, 369.
Neognathae (Superorder) Pycraft, 1900	Ref: R.L. Carroll, 1988: 625.
Neognathae (Superorder) Pycraft, 1900	Ref: W.J. Bock, 1982: 976.
Neornithes (Subclass) Gadow, 1893	Ref: E. Mayr & G.W. Cottrell, 1979
Neognathae (Superorder) Pycraft, 1900	Ref: T.I. Storer et al., 1979
Neornithes (Subclass) Gadow, 1893	Ref: B. Grzimek et al., 1973 (1968): 582.

Number of Subtaxa

2024	Available in Systema Naturae 2000	5f;84g;304s;539ss; ‡1g;7s; †1f;14g;14s
1989-present	Systema Naturae 2000	5f;83g;303s
2007	B.C. Livezey & R.L. Zusi	[5f]
2003	J. Cracraft et al.: 15 May 2015	[3f;83g;303s;539ss; ‡1s]
1991 (1990)	C.M. Perrins	[5f;75g];295s
1988	R.L. Carroll: 625	[4f]
1982	W.J. Bock	2so;5f