Concise hierarchy

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

Phylogeny

Node-based clade

Ref: P.C. Sereno, 1991: 34. [implicit]

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

Dinosauromorpha (Clade) Benton 1985 [Sereno 1991], nom. cl. inval.		Ref: P.C. Sereno, 1991: 34 ("including birds").
†Pterosauria ([unranked])		Ref: P.C. Sereno, 1991: 34.
†Scleromochlus (Genus) Woodward, 1907		Ref: P.C. Sereno, 1991: 34.

Node-based clade

Ornithodira (Clade) Gauthier 1986

Ref: S.J. Nesbitt, 2011: 206.

Current position

Archosauria (Clade) Cope 1869 [Gauthier & Padian 2020]

Ref: S.J. Nesbitt, 2011: 206. [implicit]

Alternative positions

Archosauria (Clade) Cope 1869 [Gauthier & Padian 1985], nom. cl. inval.	Ref: S.J. Nesbitt, 2011: 206.
Avemetatarsalia (Clade) Benton 1999	Ref: M.J. Benton, 2004: fig. 1.8A [Benton, 2015: 440]. [out of scope (coherent)]
Ornithosuchia ([unranked])	Ref: M.J. Benton, 1990: fig. 1.1.

Historical positions

Archosauria (Clade) Cope 1869 [Gauthier & Padian 1985], nom. cl. inval.	Ref: C.F. Kammerer et al., 2012(2011): 278.
Avemetatarsalia (Clade) Benton 1999	Ref: S.J. Nesbitt, 2011: 206-207, fig. 52.
Avemetatarsalia (Clade) Benton 1999	Ref: M.J. Benton, 2004: 15 (fig. 1.8A). [out of scope (coherent)]
Ornithosuchia ([unranked])	Ref: M.J. Benton, 1990: fig. 1.1.

Number of Subtaxa

1989-present

Systema Naturae 2000

[1c;31o;201f;2135g;9609s]