Concise hierarchy

(Kingdom) Animalia - (Phylum) Chordata - (Class) Mammalia - (Order) Proboscidea

Original position

Questionably Elephantoidea (Superfamily) Gray, 1821

Original entries

Questionably †Gnathabelodon (Genus) Barbour & Sternberg, 1935

Subsequent entries

†Gomphotheriinae (Subfamily) Hay, 1922
†Rhynchotheriinae (Subfamily) Hay, 1922

Current position

Elephantoidea (Superfamily) Gray, 1821

Ref: M.C. McKenna & S.K. Bell, 1997: 500.

Alternative positions

Elephantiformes (Suborder) (Tassy, 1988)	Ref: M.J. Benton, 2015: 444.
Elephantoidea (Suborder) Osborn, 1921	Ref: N.E. Todd, 2010: 76.
Elephantoidea ([unranked])	Ref: M.P. Ferretti, 2003: fig. 11A.
Euelephantoidea (Suborder)	Ref: R.L. Carroll, 1988: App. (p. 645).
Proboscidea (Order) Owen, 1859	Ref: [Anonymous], 1995

Historical positions

Elephantiformes (Suborder) (Tassy, 1988)	Ref: M.J. Benton, 2015: 444.
Proboscidea (Order) Owen, 1859	Ref: J.A. van Essen, 2011: viii; 2.
Elephantoidea (Suborder) Osborn, 1921	Ref: N.E. Todd, 2010: 76.
Elephantiformes (Suborder) (Tassy, 1988)	Ref: M.J. Benton, 2005: 400.
Elephantoidea ([unranked])	Ref: M.P. Ferretti, 2003: fig. 11A.
Elephantoidea (Superfamily) Gray, 1821	Ref: M.C. McKenna & S.K. Bell, 1997: 500.
Elephantoidea (Suborder) Osborn, 1921	Ref: B. Gardiner et al., 1989: 304.
Euelephantoidea (Suborder)	Ref: R.L. Carroll, 1988: App. (p. 645).

Number of Subtaxa

2026	Available in Systema Naturae 2000	†14g;38s
1989-present	Systema Naturae 2000	[; †14g]
1997	M.C. McKenna & S.K. Bell	[; †14g]