Concise hierarchy

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

Phylogeny

Branch-based clade		Ref: S.J. Nesbitt, 2011: 191 ("Stem").
Reference phylogeny [PhyloCode]		Ref: S.J. Nesbitt, 2011: fig. 51. [inferred]

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

†Proterochampa barrionuevoi Alvarez del Toro, 1974, comb. inval.

Ref: S.J. Nesbitt, 2011: 191.

Defined by excluded taxon

Crocodylus niloticus Laurenti, 1768		Ref: S.J. Nesbitt, 2011: 191.
†Erythrosuchus africanus Broom, 1905		Ref: S.J. Nesbitt, 2011: 191.
†Euparkeria capensis Broom, 1913		Ref: S.J. Nesbitt, 2011: 191.
Passer domesticus (Linnaeus, 1758)		Ref: S.J. Nesbitt, 2011: 191.

Generic clade

†Proterochampsia (Clade) Bonaparte 1971 [Kischlat 2002]

Ref: S.J. Nesbitt, 2011: 191.

Current position

Archosauriformes (Clade) Gauthier 1994 [Gauthier 2020]

Ref: S.J. Nesbitt, 2011: 191; Nesbitt, 2011: fig. 51. [implicit]

Alternative positions

Archosauriformes (Clade) Gauthier 1994, nom. cl. inval.

Ref: S.J. Nesbitt, 2011: 191. [emended diagnosis]

Historical positions

Archosauriformes (Clade) Gauthier 1994, nom. cl. inval.

Src: S.J. Nesbitt, 2011: 191-192, fig. 51. [emended diagnosis]

Number of Subtaxa

2025	Available in Systema Naturae 2000	†1f;5g;3s;2
1989-present	Systema Naturae 2000: 20 Nov 2023	[; †1f]