Concise hierarchy

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

Phylogeny

Paraphyletic/Ancestral (para)

Ref: G. Olshevsky, 1991: 7 ("parasubclass").

Current position

Sauropsida (Class) Huxley, 1864

Ref: M.J. Benton, 2005: 395.

Alternative positions

Reptilia (Class) Linnaeus, 1758

Ref: D. Lambert & the Diagram Group, 1991(1997): 57.

Historical positions

Sauropsida (Class) Huxley, 1864	Ref: M.J. Benton, 2005: 395, boxes 5.1, 8.8.
Reptilia (Class) Linnaeus, 1758	Ref: D. Lambert & the Diagram Group, 1991(1997): 57; 16.
Reptilia (Class) Linnaeus, 1758	Ref: G. Olshevsky, 1991: 7.
Reptilia (Class) Linnaeus, 1758	Ref: B. Gardiner et al., 1989: 301.
Reptilia (Class) Linnaeus, 1758	Ref: R.L. Carroll, 1988: App. (p. 616).

Number of Subtaxa

1989-present	Systema Naturae 2000	[3o;53f;919g;7951s]
1988	R.L. Carroll: 622	[3o;37f; †14o;150f]