Entity:

Concise hierarchy

Phylogeny

Branch-based clade

Ref: J. Gauthier, 1986: 18. [implicit]

Avialae (Clade) Gauthier 1986

Ref: J. Gauthier, 1986: 18 (as "birds"); 12.

Ref: J. Gauthier, 1986: 18 (as "sauropodomorphs").

Ref: P.M. Galton & P. Upchurch, 2004: 249.

*Theropoda* (Clade) Marsh 1881 [Gauthier 1986]		Ref: S.J. Nesbitt, 2011: 212 (sensu Sereno, 2005).
*Theropoda* (Clade) Marsh 1881 [Gauthier 1986]		Ref: P.C. Sereno, 1998: table 4 (p. 64).
*Theropoda* (Clade) Marsh 1881 [Gauthier 1986]		Ref: C. Hendrickx et al., 2015: table (p. 72) (Sereno, 2005).

Saurischia (Clade) Seeley 1887 [Gauthier 1986], nom. cl. inval.

Ref: S.J. Nesbitt, 2011: 212.

Eusaurischia (Clade) Padian et al. 1999

Ref: T.R. Holtz Jr. & H. Osmólska, 2004: [21].

*Archosauria* (Clade) Cope 1869 [Gauthier & Padian 1985], nom. cl. inval.	Ref: R.N. Martínez & C. Apaldetti, 2017: 490, 502 (fig. 11).
*Dinosauria* (Clade) Owen 1841 [Padian & May 1993], nom. cl. inval.	Ref: F.L. Agnolin et al., 2012[2011]: title, 35.
*Saurischia* (Clade) Seeley 1887 [Gauthier 1986], nom. cl. inval.	Ref: S.J. Nesbitt, 2011: 212, fig. 52.
*Eusaurischia* (Clade) Padian et al. 1999	Ref: S.J. Nesbitt, 2011: fig. 6.
*Eusaurischia* (Clade) Padian et al. 1999	Ref: T.R. Holtz Jr. & H. Osmólska, 2004: [21]-22, figs. S.1, S.2; tables 3.1, 4.1, 5.1, 6.1, 7.1, 8.1, 9.1, 10.1, 11.1, figs. 1.8A, 2.11A-B.
*Saurischia* (Clade) Seeley 1887 [Gauthier 1986], nom. cl. inval.	Ref: P.C. Sereno, 1998: table 4 (p. 64), figs. 4, 8.
*Saurischia* (Clade) Seeley 1887 [Gauthier 1986], nom. cl. inval.	Ref: M.J. Benton, 1990: fig. 1.5.

1989-present

Systema Naturae 2000

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