Concise hierarchy

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

Current position

†Sphenosuchia (Order) Bonaparte, 1972

Ref: R.L. Carroll, 1988: 620. [implicit]

Alternative positions

Crocodylomorpha (Superorder) Hay, 1930	Ref: M.J. Benton, 2005: 396.
Crocodylomorpha (Clade) Walker 1968 [Clark 1988]	Ref: M.J. Benton, 2005: 396; Nesbitt, 2011: fig. 51. [implicit]
†Protosuchia (Suborder) Mook, 1934	Ref: B. Grzimek et al., 1973 (1971): 593.
†Pseudosuchia (Suborder) Zittel, 1887-1890	Ref: B. Grzimek et al., 1973 (1971): 593.
†Sphenosuchia (Suborder) Bonaparte, 1971	Ref: R.L. Carroll, 1988: 620.

Historical positions

Crocodylomorpha (Superorder) Hay, 1930	Ref: M.J. Benton, 2005: 396, box 8.8.
†Pseudosuchia (Suborder) Zittel, 1887-1890	Ref: P. Uetz, [1995-]1996: 30 Dec 1996.
†Protosuchia (Suborder) Mook, 1934	Ref: P. Uetz, [1995-]1996: 30 Dec 1996.
†Sphenosuchia (Suborder) Bonaparte, 1971	Ref: R.L. Carroll, 1988: 620.
†Pseudosuchia (Suborder) Zittel, 1887-1890	Ref: B. Grzimek et al., 1973 (1971): 593.
†Protosuchia (Suborder) Mook, 1934	Ref: B. Grzimek et al., 1973 (1971): 593.

Number of Subtaxa

2025	Available in Systema Naturae 2000	†2g;1s;1
1989-present	Systema Naturae 2000: 18 Aug 2023	[; †4g]
1988	R.L. Carroll: 620	[; †4g]