Concise hierarchy

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

Current position

Lepidosauriformes (Superorder) Gauthier, Estes & de Queiroz, 1988

Ref: M.A. Ruggiero et al., 2015b: table 2 (p. 52) [Benton, 2015: 439]. [indirect]

Alternative positions

Lepidosauria (Superorder) Haeckel, 1866	Ref: M.J. Benton, 2005: 395.
Lepidosauria (Class) Haeckel, 1866	Ref: M.J. Benton, 2005: 395. [implicit]
Lepidosauria (Clade) Haeckel 1866 [Gauthier, Estes & de Queiroz 1988], nom. cl. inval.	Ref: N. Vidal & S.B. Hedges, 2009: fig. 3. [inferred rank]
Reptilia (Class) Linnaeus, 1758	Ref: T. Rees, 2006-present: [5 Jun 2025]; IRMNG[5 Jun 2025].
Rhynchocephalia (Subclass) Günther, 1867	Ref: M.A. Ruggiero et al., 2015b: table 2 (p. 52).

Historical positions

Rhynchocephalia (Subclass) Günther, 1867	Ref: M.A. Ruggiero et al., 2015b: table 2 (p. 52).
Lepidosauria (Clade) Haeckel 1866 [Gauthier, Estes & de Queiroz 1988], nom. cl. inval.	Ref: N. Vidal & S.B. Hedges, 2009: fig. 3. [inferred rank]
Lepidosauria (Superorder) Haeckel, 1866	Ref: M.J. Benton, 2005: 395.
Lepidosauria (Superorder) Haeckel, 1866	Ref: R.L. Carroll, 1988: 616.

Number of Subtaxa

2025	Available in Systema Naturae 2000	1f;1g;1s; †2f;30g;5s
1989-present	Systema Naturae 2000: 6 Jul 2017	[1f;1g;1s; †2f]
2005	M.J. Benton	[1f; †1f]
1988	R.L. Carroll: 616	[1f; †2f]