Concise hierarchy

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

Phylogeny

Branch-based clade

Ref: S.J. Nesbitt, 2011: 207 ("Stem") (sensu Sereno, 2005).

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

Passer domesticus (Linnaeus, 1758)

Ref: S.J. Nesbitt, 2011: 207 (sensu Sereno, 2005).

Defined by excluded taxon

Crocodylus niloticus Laurenti, 1768		Ref: S.J. Nesbitt, 2011: 207 (sensu Sereno, 2005).
†Ornithosuchus longidens (Huxley, 1877)		Ref: S.J. Nesbitt, 2011: 207 (sensu Sereno, 2005).
†Pterodactylus antiquus (Sömmerring, 1812)		Ref: S.J. Nesbitt, 2011: 207 (sensu Sereno, 2005).

Generic clade

Dinosauromorpha (Clade) Benton 1985 [Sereno 1991], nom. cl. inval.

Ref: S.J. Nesbitt, 2011: 207 (sensu Sereno, 2005).

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