Concise hierarchy

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

Phylogeny

Node-based clade		Ref: S.J. Nesbitt, 2011: 210 ("Node") (sensu Sereno, 2005).
Reference phylogeny [PhyloCode]		Ref: S.J. Nesbitt, 2011: fig. 52. [inferred]

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

Passer domesticus (Linnaeus, 1758)		Ref: S.J. Nesbitt, 2011: 210 (sensu Sereno, 2005).
†Triceratops horridus Marsh, 1889		Ref: S.J. Nesbitt, 2011: 210 (sensu Sereno, 2005).

Generic clade

Dinosauria (Clade) Owen 1841 [Padian & May 1993], nom. cl. inval.

Ref: S.J. Nesbitt, 2011: 210 (sensu Sereno, 2005).

Current position

Dinosauriformes (Clade) Novas 1992, nom. cl. inval.

Ref: S.J. Nesbitt, 2011: 210; Kammerer et al., 2012(2011): fig. 4.

Alternative positions

Archosauria (Clade) Cope 1869 [Gauthier & Padian 1985], nom. cl. inval.	Ref: R.V. Hill, 2005: fig. 5.
Archosauria (Superorder) Cope, 1869	Ref: R.L. Carroll, 1988: 621.
Ornithodira (Clade) Gauthier 1986	Ref: M.J. Benton, 1990: fig. 1.1.

Historical positions

Archosauria (Clade) Cope 1869 [Gauthier & Padian 1985], nom. cl. inval.	Src: A. Otero et al., 2015: 612 (fig. 17). [rough position] [indirect]
Dinosauriformes (Clade) Novas 1992, nom. cl. inval.	Src: C.F. Kammerer et al., 2012(2011): 282 (fig. 4).
Dinosauriformes (Clade) Novas 1992, nom. cl. inval.	Src: S.J. Nesbitt, 2011: 210, fig. 52.
Dinosauriformes (Clade) Novas 1992, nom. cl. inval.	Src: P.C. Sereno, 2005: tables.php [8 Mar 2016].
Archosauria (Clade) Cope 1869 [Gauthier & Padian 1985], nom. cl. inval.	Src: R.V. Hill, 2005: fig. 5.
Dinosauriformes (Clade) Novas 1992, nom. cl. inval.	Src: M.J. Benton, 2004: 7, 16-18, fig. 1.8A; table 2.1 (p. [26]).
Ornithodira (Clade) Gauthier 1986	Src: M.J. Benton, 1990: figs. 1.1, 1.5.
Archosauria (Superorder) Cope, 1869	Src: R.L. Carroll, 1988: 621.

Number of Subtaxa

1989-present	Systema Naturae 2000	[1c;31o;201f;2135g;9609s]
1988	R.L. Carroll: 622	[; †2o;44f]