Concise hierarchy

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

Phylogeny

Branch-based clade

Ref: P.C. Sereno, 1998: table 4 (p. 64).

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

†Coelophysis (Genus) Cope, 1889

Ref: P.C. Sereno, 1998: table 4 (p. 64).

Defined by excluded taxon

Neornithes (Clade) Gadow, 1893

Ref: P.C. Sereno, 1998: table 4 (p. 64).

Generic clade

†Ceratosauria (Clade) Marsh 1895 [Rowe & Gauthier 1990]

Ref: P.C. Sereno, 1998: table 4 (p. 64).

Current position

Averostra (Clade) Paul 2002

Ref: C. Hendrickx et al., 2015: 11 (fig. 4).

Alternative positions

Neotheropoda (Clade) Bakker 1986 [Sereno 1998]	Ref: P.C. Sereno, 1998: table 4 (p. 64).
Theropoda (Clade) Marsh 1881 [Gauthier 1986]	Ref: R.S. Tykoski & T. Rowe, 2004: table 3.1 (p. [48]).

Historical positions

Averostra (Clade) Paul 2002	Src: C. Hendrickx et al., 2015: table (p. 63), figs. 1, 4.
Averostra (Clade) Paul 2002	Src: M.T. Carrano et al., 2012: App. 1 (p. 291), fig. 8A.
Theropoda (Clade) Marsh 1881 [Gauthier 1986]	Src: R.S. Tykoski & T. Rowe, 2004: 47-70, table 3.1 (p. [48]), fig. 3.12A; figs. S.2, 4.20.
Neotheropoda (Clade) Bakker 1986 [Sereno 1998]	Src: R.S. Tykoski & T. Rowe, 2004: 65 (fig. 3.12A).
Neotheropoda (Clade) Bakker 1986 [Sereno 1998]	Src: P.C. Sereno, 1998: table 4 (p. 64), fig. 8.
Theropoda (Clade) Marsh 1881 [Gauthier 1986]	Src: M.J. Benton, 1990: fig. 1.5.

Number of Subtaxa

2025	Available in Systema Naturae 2000	†3f;30g;9s
1989-present	Systema Naturae 2000	[; †2f;15g]