Concise hierarchy

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

Phylogeny

Node-based clade

Ref: S.J. Nesbitt, 2011: 192 (Sereno & Arcucci, 1990). [implicit]

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

†Aetosauria (Order) Nicholson & Lydekker, 1889		Ref: S.J. Nesbitt, 2011: 192 (Sereno & Arcucci, 1990).
Crocodylomorpha (Clade) Walker 1968 [Clark 1988]		Ref: S.J. Nesbitt, 2011: 192 (Sereno & Arcucci, 1990).
†Ornithosuchidae (Family) Huene, 1908		Ref: S.J. Nesbitt, 2011: 192 (Sereno & Arcucci, 1990).
Parasuchia ([unranked]) Huxley, 1875		Ref: S.J. Nesbitt, 2011: 192 (Sereno & Arcucci, 1990).
†Rauisuchia ([unranked]) Bonaparte, 1982		Ref: S.J. Nesbitt, 2011: 192 (Sereno & Arcucci, 1990).

Node-based clade

Crurotarsi (Clade) Sereno & Arcucci 1990

Ref: S.J. Nesbitt, 2011: 192.

Current position

Archosauriformes (Clade) Gauthier 1994 [Gauthier 2020]

Ref: S.J. Nesbitt, 2011: 192; Nesbitt, 2011: fig. 51. [implicit]

Alternative positions

Archosauria (Clade) Cope 1869 [Gauthier & Padian 1985], nom. cl. inval.	Ref: R.V. Hill, 2005: fig. 5.
Archosauriformes (Clade) Gauthier 1994, nom. cl. inval.	Ref: S.J. Nesbitt, 2011: 192. [emended diagnosis]
Avesuchia ([unranked]) Benton, 1999	Ref: M.J. Benton, 2004: fig. 1.8A. [out of scope (coherent)]

Historical positions

Archosauria (Clade) Cope 1869 [Gauthier & Padian 1985], nom. cl. inval.	Ref: A. Otero et al., 2015: 612 (fig. 17). [rough position] [indirect]
Archosauriformes (Clade) Gauthier 1994, nom. cl. inval.	Ref: S.J. Nesbitt, 2011: 192. [emended diagnosis]
Archosauria (Clade) Cope 1869 [Gauthier & Padian 1985], nom. cl. inval.	Ref: P.C. Sereno, 2005: tables.php [8 Mar 2016].
Archosauria (Clade) Cope 1869 [Gauthier & Padian 1985], nom. cl. inval.	Ref: R.V. Hill, 2005: fig. 5.
Avesuchia ([unranked]) Benton, 1999	Ref: M.J. Benton, 2004: 15 (fig. 1.8A). [out of scope (coherent)]

Number of Subtaxa

2025	Available in Systema Naturae 2000	32o;205f;2160g;9642s;7166ss;1v; ‡2o;7f;58g;262s;62ss; †40o;222f;1368g;778s;3ss;96
1989-present	Systema Naturae 2000: 1 Apr 2017	[1o;3f;9g;25s]