Concise hierarchy

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

Phylogeny

Branch-based clade		Ref: S.J. Nesbitt, 2011: 214 ("Stem") (sensu Sereno, 2005).
Reference phylogeny [PhyloCode]		Ref: S.J. Nesbitt, 2011: fig. 52. [inferred]

Defined by included taxon (and all taxa more closely related to it than to the excluded taxon)

†Saltasaurus loricatus Bonaparte & Powell, 1980

Ref: S.J. Nesbitt, 2011: 214 (sensu Sereno, 2005).

Defined by excluded taxon

Passer domesticus (Linnaeus, 1758)		Ref: S.J. Nesbitt, 2011: 214 (sensu Sereno, 2005).
†Triceratops horridus Marsh, 1889		Ref: S.J. Nesbitt, 2011: 214 (sensu Sereno, 2005).

Generic clade

†Sauropodomorpha (Clade) Huene 1932 [Salgado et al. 1997]

Ref: S.J. Nesbitt, 2011: 214 (sensu Sereno, 2005).

Current position

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

Ref: S.J. Nesbitt, 2011: 214.

Alternative positions

Eusaurischia (Clade) Padian et al. 1999

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

Historical positions

Archosauria (Clade) Cope 1869 [Gauthier & Padian 1985], nom. cl. inval.	Src: R.N. Martínez & C. Apaldetti, 2017: 502 (fig. 11). [rough position] [indirect]
Dinosauria (Clade) Owen 1841 [Padian & May 1993], nom. cl. inval.	Src: A. Otero et al., 2015: 612 (fig. 17).
Saurischia (Clade) Seeley 1887 [Gauthier 1986], nom. cl. inval.	Src: S.J. Nesbitt, 2011: 214, fig. 52.
Eusaurischia (Clade) Padian et al. 1999	Src: S.J. Nesbitt, 2011: fig. 6.
Eusaurischia (Clade) Padian et al. 1999	Src: P.M. Galton & P. Upchurch, 2004: 249-250, table 12.1 (p. [234]), fig. 12.11; [21], table 13.1, figs. 1.8A, S.1, S.2, 4.20.
Saurischia (Clade) Seeley 1887 [Gauthier 1986], nom. cl. inval.	Src: P.C. Sereno, 1998: table 4 (p. 63), fig. 4.
Saurischia (Clade) Seeley 1887 [Gauthier 1986], nom. cl. inval.	Src: M.J. Benton, 1990: fig. 1.5.

Number of Subtaxa

2024

Available in Systema Naturae 2000

†1g