Concise hierarchy

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

Current position

†Parareptilia (Subclass) Olson, 1947

Ref: R.L. Carroll, 1988: 615 [Benton, 2015: 438]. [indirect]

Alternative positions

Anapsida (Subclass) Osborn, 1903	Ref: R.L. Carroll, 1988: 615.
†Synapsida (Class) Osborn, 1903	Ref: P. Uetz, [1995-]1996: 30 Dec 1996.
†Synapsida (Subclass) Osborn, 1903	Ref: B. Grzimek et al., 1973 (1971): 591.

Historical positions

Anapsida (Subclass) Osborn, 1903	Ref: 1998
†Synapsida (Subclass) Osborn, 1903	Ref: P. Uetz, [1995-]1996: 30 Dec 1996.
Anapsida (Subclass) Osborn, 1903	Ref: 1995
Anapsida (Subclass) Osborn, 1903	Ref: R.L. Carroll, 1988: 615.
Anapsida (Subclass) Osborn, 1903	Ref: T.I. Storer et al., 1979
†Synapsida (Subclass) Osborn, 1903	Ref: B. Grzimek et al., 1973 (1971): 591.

Number of Subtaxa

2024	Available in Systema Naturae 2000	†1f;2g;2s
1989-present	Systema Naturae 2000: 30 Aug 2019	[; †1f;2g]
[1995-]1996	P. Uetz: 30 Dec 1996	[; †1f]
1988	R.L. Carroll: 615	[; †1f;3g]
1973 (1971)	B. Grzimek et al.: 591	[; †1f]