Concise hierarchy

(Kingdom) Animalia - (Phylum) Chordata

Current position

Synapsida (Clade) Osborn 1903 [Gauthier et al. 1989]

Ref: M.J. Benton, 2015: 437. [implicit]

Alternative positions

†Edaphosauria (Suborder) Cope, 1882	Ref: H.-P. Schultze et al., 1985: 2.
†Pelycosauria (Order) Cope, 1878	Ref: M.J. Benton, 2005: 394.
†Synapsida (Class) Osborn, 1903	Ref: M.J. Benton, 2015: 437.

Historical positions

†Unnamed (Suborder)	Ref: M.J. Benton, 2015: 437.
†Pelycosauria (Order) Cope, 1878	Ref: M.J. Benton, 2005: 394, box 5.3.
†Edaphosauria (Suborder) Cope, 1882	Ref: P. Uetz, [1995-]1996: 30 Dec 1996.
†Pelycosauria (Order) Cope, 1878	Ref: R.L. Carroll, 1988: 622.
†Edaphosauria (Suborder) Cope, 1882	Ref: H.-P. Schultze et al., 1985: 2, 57.
†Edaphosauria (Suborder) Cope, 1882	Ref: B. Grzimek et al., 1973 (1971): 590.

Number of Subtaxa

2025

Available in Systema Naturae 2000

†1g