Concise hierarchy

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

Subsequent positions

†Spinosauria (Suborder) Olshevsky, 1991

Ref: G. Olshevsky, 1991: 110.

Current position

†Megalosauria (Clade) Bonaparte 1850 [Allain et al. 2012]

Ref: M.T. Carrano et al., 2012: App. 1 (p. 291). [inferred rank]

Alternative positions

†Carnosauria (Infraorder) Huene, 1920	Ref: D. Lambert & the Diagram Group, 1991(1997): 109.
†Spinosauria (Suborder) Olshevsky, 1991	Ref: G. Olshevsky, 1991: 110. [new position]
†Spinosauroidea (Subdivision) Olshevsky, 1995	Ref: M.J. Benton, 2005: 397.
†Theropoda (Suborder) Marsh, 1881	Ref: R.L. Carroll, 1988: App. (p. 621).

Historical positions

†Megalosauria (Clade) Bonaparte 1850 [Allain et al. 2012]	Ref: M.T. Carrano et al., 2012: App. 1 (p. 291).
†Spinosauroidea (Subdivision) Olshevsky, 1995	Ref: M.J. Benton, 2005: 397, box 8.5.
†Carnosauria (Infraorder) Huene, 1920	Ref: D. Lambert & the Diagram Group, 1991(1997): 109, 134.
†Carnosauria (Infraorder) Huene, 1920	Ref: P. Uetz, [1995-]1996: 30 Dec 1996.
†Spinosauria (Suborder) Olshevsky, 1991	Ref: G. Olshevsky, 1991: 110. [new position]
†Carnosauria (Infraorder) Huene, 1920	Ref: B. Gardiner et al., 1989: 302.
†Theropoda (Suborder) Marsh, 1881	Ref: R.L. Carroll, 1988: App. (p. 621).
†Carnosauria (Infraorder) Huene, 1920	Ref: B. Grzimek et al., 1973 (1971): 595.

Number of Subtaxa

2026	Available in Systema Naturae 2000	†7g;5s
1989-present	Systema Naturae 2000: 11 Feb 2019	[; †7g]
1991(1997)	D. Lambert & the Diagram Group: 134	[; †2g]
1991	G. Olshevsky: 110	†2g;2s
1988	R.L. Carroll: App. (p. 621)	[; †3g]