Concise hierarchy

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

Phylogeny

Node-based clade

Ref: S.J. Nesbitt, 2011: 195 (Sereno, 1991a). [implicit]

Defined by the most recent common ancestor (and all its descendants) of

†Aetosauria (Order) Nicholson & Lydekker, 1889		Ref: S.J. Nesbitt, 2011: 195 (Sereno, 1991a).
Crocodylomorpha (Clade) Walker 1968 [Clark 1988]		Ref: S.J. Nesbitt, 2011: 195 (Sereno, 1991a).
†Gracilisuchus stipanicicorum Romer, 1972		Ref: S.J. Nesbitt, 2011: 195 (Sereno, 1991a).
†Poposauridae (Family) Nopcsa, 1923		Ref: S.J. Nesbitt, 2011: 195 (Sereno, 1991a).
†Rauisuchia ([unranked]) Bonaparte, 1982		Ref: S.J. Nesbitt, 2011: 195 (Sereno, 1991a).

Node-based clade

Suchia (Clade) Krebs 1974 [Sereno 1991]

Ref: S.J. Nesbitt, 2011: 195.

Current position

Pseudosuchia (Clade) Zittel 1887-1890 [Gauthier & Padian 1985]

Ref: S.J. Nesbitt, 2011: 195. [emended diagnosis]

Alternative positions

Crocodylotarsi ([unranked]) Benton & Clark, 1988	Ref: M.J. Benton, 1990: 16.
Crurotarsi (Clade) Sereno & Arcucci 1990	Ref: M.J. Benton, 2004: fig. 1.8A. [out of scope (coherent)]

Historical positions

Pseudosuchia (Clade) Zittel 1887-1890 [Gauthier & Padian 1985]	Ref: S.J. Nesbitt, 2011: 195, figs. 51, 53. [emended diagnosis]
Crurotarsi (Clade) Sereno & Arcucci 1990	Ref: M.J. Benton, 2004: 14, fig. 1.8A. [out of scope (coherent)]
Crocodylotarsi ([unranked]) Benton & Clark, 1988	Ref: M.J. Benton, 1990: 16.

Number of Subtaxa

2025	Available in Systema Naturae 2000	1o;3f;9g;25s;16ss; ‡1g;1s; †6o;37f;237g;155s;41
1989-present	Systema Naturae 2000: 24 Nov 2023	[1o;3f;9g;25s]