Concise hierarchy

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

Current position

†Procolophonoidea (Superfamily) Cope, 1889

Ref: L.K. Säilä, 2009: 600.

Alternative positions

†Ankyramorpha (Clade) deBraga & Reisz 1996	Ref: S.P. Modesto et al., 2015: fig. 2c. [inferred rank]
†Parareptilia (Subclass) Olson, 1947	Ref: M.J. Benton, 2015: 438.
†Procolophonia (Suborder) Seeley, 1888	Ref: P. Uetz, [1995-]1996: 30 Dec 1996.
†Procolophonia (Clade) Seeley 1888 [Laurin & Reisz 1995]	Ref: M.J. Benton, 2005: box 5.1.
†Procolophonomorpha (Suborder) Romer, 1964	Ref: B. Grzimek et al., 1973 (1971): 584.

Historical positions

†Ankyramorpha (Clade) deBraga & Reisz 1996	Ref: S.P. Modesto et al., 2015: fig. 2c.
†Parareptilia (Subclass) Olson, 1947	Ref: M.J. Benton, 2015: 438, box 5.1 (p. 124).
†Procolophonia (Clade) Seeley 1888 [Laurin & Reisz 1995]	Ref: M.J. Benton, 2005: 395, box 5.1.
†Procolophonia (Suborder) Seeley, 1888	Ref: P. Uetz, [1995-]1996: 30 Dec 1996.
†Procolophonoidea (Superfamily) Cope, 1889	Ref: R.L. Carroll, 1988: 615.
†Procolophonomorpha (Suborder) Romer, 1964	Ref: B. Grzimek et al., 1973 (1971): 584.

Number of Subtaxa

2025	Available in Systema Naturae 2000	†35g;29s
1989-present	Systema Naturae 2000: 2 Sep 2019	[; †35g]
1988	R.L. Carroll: 615	[; †27g]