Concise hierarchy

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

Current position

Colubroidea (Superfamily) Oppel, 1811

Ref: A. Figueroa et al., 2016: fig. 1.

Alternative positions

Afrophidia ([unranked]) Vidal, Delmas & Hedges, 2007	Ref: N. Vidal et al., 2009: fig. 2.
Caenophidia (Infraorder) Hoffstetter, 1939	Ref: J. Coborn, 1994
Serpentes ([unranked])	Ref: R.A. Pyron et al., 2013: fig. 1.
Serpentes (Suborder) Linnaeus, 1758	Ref: R.A. Pyron et al., 2013: fig. 1. [implicit]
Viperoidea (Superfamily) Oppel, 1811	Ref: V. Wallach et al., 2014: table I.2 (p. xi).
Xenophidia (Superfamily)	Ref: P. Uetz, [1995-]1996: 30 Dec 1996.

Historical positions

Colubroidea (Superfamily) Oppel, 1811	Ref: A. Figueroa et al., 2016: table 1 (p. 4), fig. 1.
Viperoidea (Superfamily) Oppel, 1811	Ref: V. Wallach et al., 2014: table I.2 (p. xi).
Serpentes ([unranked])	Ref: R.A. Pyron et al., 2013: 48, fig. 1.
Afrophidia ([unranked]) Vidal, Delmas & Hedges, 2007	Ref: N. Vidal et al., 2009: fig. 2.
Caenophidia ([unranked]) Hoffstetter, 1939	Ref: N. Vidal & S.B. Hedges, 2009: fig. 5.
Serpentes (Suborder) Linnaeus, 1758	Ref: 1998
Xenophidia (Superfamily)	Ref: P. Uetz, [1995-]1996: 30 Dec 1996.
Serpentes (Suborder) Linnaeus, 1758	Ref: 1995
Colubroidea (Superfamily) Oppel, 1811	Ref: R.L. Carroll, 1988: 618.
Colubroidea (Superfamily) Oppel, 1811	Ref: W.E. Duellman, 1982: 966.
Serpentes (Suborder) Linnaeus, 1758	Ref: T.I. Storer et al., 1979
Caenophidia (Infraorder) Hoffstetter, 1939	Ref: B. Grzimek, 1973-1975

Number of Subtaxa

2024	Available in Systema Naturae 2000	35g;339s;39ss; †1s
1989-present	Systema Naturae 2000: 23 Feb 2017	[35g;339s]
2016	P. Uetz et al.: 16 Aug 2016	[35g;339s]
2013	R.A. Pyron et al.: 48	[38g]
[1995-]2000	P. Uetz	241s
1982	W.E. Duellman: 966	4sf;18g;182s
1979	T.I. Storer et al.	~200s