Concise hierarchy

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

Current position

Eusuchia (Clade) Huxley 1875 {Brochu 2003}

Ref: M.A. Ruggiero et al., 2015b: table 2 (p. 52); Puértolas et al., 2011: fig. 5. [indirect]

Alternative positions

Archosauria (Superorder) Cope, 1869	Ref: D. Lambert & the Diagram Group, 1991(1997): 55.
Archosauria (Subclass) Cope, 1869	Ref: W.E. Duellman, 1982: 966.
Crocodylomorpha (Superorder) Hay, 1930	Ref: M.J. Benton, 2005: 396.
Crocodylomorpha (Subclass) Hay, 1930	Ref: M.A. Ruggiero et al., 2015b: table 2 (p. 52).
Ornithomorpha ([unranked]) Seeley, 1891	Ref: Seeley, 1891 [inferred name]
Reptilia (Class) Linnaeus, 1758	Ref: T. Rees, 2006-present: [5 Jun 2025]; IRMNG[5 Jun 2025].

Historical positions

Crocodylomorpha (Subclass) Hay, 1930	Ref: M.A. Ruggiero et al., 2015b: table 2 (p. 52).
Crocodylomorpha (Subclass) Hay, 1930	Ref: J.E. Martin & M.J. Benton, 2008: 178, fig. 2.
Crocodylomorpha (Superorder) Hay, 1930	Ref: M.J. Benton, 2005: 396, box 8.8.
Archosauria (Subclass) Cope, 1869	Ref: 1998
Archosauria (Superorder) Cope, 1869	Ref: D. Lambert & the Diagram Group, 1991(1997): 55.
Archosauria (Subclass) Cope, 1869	Ref: P. Uetz, [1995-]1996: 30 Dec 1996.
Archosauria (Subclass) Cope, 1869	Ref: 1995
Archosauria (Superorder) Cope, 1869	Ref: R.L. Carroll, 1988: 620.
Archosauria (Superorder) Cope, 1869	Ref: H.-P. Schultze et al., 1985: 2, 48.
Archosauria (Subclass) Cope, 1869	Ref: W.E. Duellman, 1982: 966; 1117.
Archosauria (Subclass) Cope, 1869	Ref: B. Grzimek et al., 1973 (1971): 593.

Number of Subtaxa

2025	Available in Systema Naturae 2000	3f;9g;25s;16ss; ‡1g;1s; †5f;60g;72s
1989-present	Systema Naturae 2000: 28 Oct 2016	[3f;9g;25s]
2005	M.J. Benton	[3f; †7f]
[1995-]2000	P. Uetz	23s
[1995-]1996	P. Uetz: 30 Dec 1996	[1f; †18f]
1988	R.L. Carroll: 620	[3f;8g; †26f;136g]
1982	W.E. Duellman: 966	1so;1f;8g;22s
1973 (1971)	B. Grzimek et al.: 595	[3f; †19f]