Concise hierarchy

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

Phylogeny

Node-based clade

Ref: P.C. Sereno, 1991: 23. [implicit]

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

Dinosauria (Clade) Owen 1841 [Padian & May 1993], nom. cl. inval.		Ref: P.C. Sereno, 1991: 23 ("inc. Aves").
†Lagerpeton chanarensis Romer, 1971		Ref: P.C. Sereno, 1991: 23.
†Lagosuchus talampayensis Romer, 1971		Ref: P.C. Sereno, 1991: 23.
†Pseudolagosuchus major Arcucci, 1987		Ref: P.C. Sereno, 1991: 23.

Included, by definition, in node-based clade

Ornithodira (Clade) Gauthier 1986

Ref: P.C. Sereno, 1991: 34 ("including birds").

Branch-based clade

Dinosauromorpha (Clade) Benton 1985 [Sereno 1991], nom. cl. inval.		Ref: S.J. Nesbitt, 2011: 207 (sensu Sereno, 2005).
Dinosauromorpha (Clade) Benton 1985 [Sereno 1991], nom. cl. inval.		Ref: P.C. Sereno, 2005: tables.php [8 Mar 2016].

Current position

Ornithodira (Clade) Gauthier 1986

Ref: C.F. Kammerer et al., 2012(2011): 278.

Alternative positions

Avemetatarsalia (Clade) Benton 1999	Ref: P.C. Sereno, 2005: [8 Mar 2016].
†Ornithodira (Infradivision) Gauthier, 1986	Ref: M.J. Benton, 2005: box 6.1.

Historical positions

Ornithodira (Clade) Gauthier 1986	Ref: C.F. Kammerer et al., 2012(2011): 278, 282 (fig. 4).
Ornithodira (Clade) Gauthier 1986	Ref: S.J. Nesbitt, 2011: 207.
Avemetatarsalia (Clade) Benton 1999	Ref: P.C. Sereno, 2005: tables.php [8 Mar 2016].
†Ornithodira (Infradivision) Gauthier, 1986	Ref: M.J. Benton, 2005: box 6.1.
Ornithodira (Clade) Gauthier 1986	Ref: M.J. Benton, 2004: 15 (fig. 1.8A). [out of scope (coherent)]

Number of Subtaxa

1989-present

Systema Naturae 2000

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