Concise hierarchy

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

Subsequent positions

Carinatae (Infraclass) Merrem, 1813		Ref: P. Brodkorb, 1971: 246. [assumed]
Trogonomorphae (Superorder) B.C. Livezey & R.L. Zusi, 2007		Ref: B.C. Livezey & R.L. Zusi, 2007: 94. [assumed]

Current position

Trogonomorphae (Superorder) B.C. Livezey & R.L. Zusi, 2007

Ref: B.C. Livezey & R.L. Zusi, 2007: 94. [new position]

Alternative positions

Carinatae (Infraclass) Merrem, 1813	Ref: P. Brodkorb, 1971: 246. [new position]
Coraciimorphae (Superorder)	Ref: B.L. Monroe Jr. & C.G. Sibley, 1993: 36.
higher land birds (Superorder)	Ref: M.J. Benton, 2005: 399.
Neognathae (Superorder) Pycraft, 1900	Ref: W.J. Bock, 1982: 992.
Neornithes (Subclass) Gadow, 1893	Ref: B. Grzimek et al., 1975 (1969): 584.

Historical positions

Trogonomorphae (Superorder) B.C. Livezey & R.L. Zusi, 2007	Ref: B.C. Livezey & R.L. Zusi, 2007: 94. [new position]
higher land birds (Superorder)	Ref: M.J. Benton, 2005: 399, box 9.4.
Neoaves (Clade) Sibley et al. 1988	Ref: J. Cracraft et al., 2003: 18. [inferred rank]
Aves (Class) Linnaeus, 1758	Ref: 1995
Coraciimorphae (Superorder)	Ref: B.L. Monroe Jr. & C.G. Sibley, 1993: 36.
Neognathae (Superorder) Pycraft, 1900	Ref: C.M. Perrins, 1991 (1990): 21, 382.
Neognathae (Superorder) Pycraft, 1900	Ref: W.J. Bock, 1982: 992.
Neornithes (Subclass) Gadow, 1893	Ref: B. Grzimek et al., 1975 (1969): 584.
Carinatae (Infraclass) Merrem, 1813	Ref: P. Brodkorb, 1971: 246. [new position]

Number of Subtaxa

2025	Available in Systema Naturae 2000	1f;6g;39s;16ss; †2g
1989-present	Systema Naturae 2000	1f;6g;39s; †2g
2007	B.C. Livezey & R.L. Zusi	[1f]
2003	J. Cracraft et al.	[1f;6g;39s]
1993	B.L. Monroe Jr. & C.G. Sibley	[1f];6g;39s
1991 (1990)	C.M. Perrins	39s
1990		1f
1982	W.J. Bock	1f;8g;37s
1971	P. Brodkorb	[; †2g]