Concise hierarchy

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

Original entries

†Genasauria (Parvorder) Sereno, 1986		Ref: P. Sereno, 1986: 252.
†Pachycephalosauria (Suborder) Maryañska & Osmólska, 1974

Current position

Dinosauria (Clade) Owen 1842 [Langer, Novas, Bittencourt, Ezcurra & Gauthier 2020]

Ref: M.J. Benton, 2015: 441; Novas et al., 2021: fig. 1. [implicit]

Alternative positions

Archosauria (Superorder) Cope, 1869	Ref: D. Lambert & the Diagram Group, 1991(1997): 80.
Archosauria (Subclass) Cope, 1869	Ref: A.S. Romer & T.S. Parsons, 1986: App. 1 (p. 623).
†Dinosauria (Subclass) Owen, 1841	Ref: [Anonymous], 1989
†Dinosauria (Superorder) Owen, 1841	Ref: M.J. Benton, 2005: 397.
Reptilia (Class) Linnaeus, 1758	Ref: T. Rees, 2006-present: [5 Jun 2025]; IRMNG[5 Jun 2025].

Historical positions

†Dinosauria (Superorder) Owen, 1841	Ref: M.J. Benton, 2005: 397, box 8.5.
Archosauria (Subclass) Cope, 1869	Ref: 1998
Archosauria (Superorder) Cope, 1869	Ref: D. Lambert & the Diagram Group, 1991(1997): 80; 108, 109.
Archosauria (Subclass) Cope, 1869	Ref: P. Uetz, [1995-]1996: 30 Dec 1996.
Archosauria (Subclass) Cope, 1869	Ref: 1995
Dinosauria (Clade) Owen 1841 [Padian & May 1993], nom. cl. inval.	Ref: R.L. Carroll, 1988: 621; 289. [implicit]
Archosauria (Subclass) Cope, 1869	Ref: A.S. Romer & T.S. Parsons, 1986: App. 1 (p. 623).
Archosauria (Superorder) Cope, 1869	Ref: H.-P. Schultze et al., 1985: 2, 49.
Archosauria (Subclass) Cope, 1869	Ref: T.I. Storer et al., 1979
Archosauria (Subclass) Cope, 1869	Ref: B. Grzimek et al., 1973 (1971): 596.

Number of Subtaxa

2025	Available in Systema Naturae 2000	†19f;167g;71s;8
1989-present	Systema Naturae 2000	[; †20f;186g]
2005	M.J. Benton	[; †2so]
2005	M.J. Benton	[; †2so]
1991(1997)	D. Lambert & the Diagram Group	[; †21f]
[1995-]1996	P. Uetz: 30 Dec 1996	[; †20f]
1988	R.L. Carroll: 622	[; †15f]
1973 (1971)	B. Grzimek et al.: 596	[; †20f]