Concise hierarchy

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

Subsequent positions

Mammutoidea (Superfamily) Hay, 1922

Subsequent entries

†Eozygodontinae (Subfamily) McKenna, Bell & Shoshani, 1997		Ref: McKenna, (M.C.), Bell, (S.K.) & Shoshani, (J.), 1997: 499.
Mammutinae (Subfamily) Hay, 1922

Current position

Mammutoidea (Superfamily) Hay, 1922

Ref: M.C. McKenna & S.K. Bell, 1997: 499.

Alternative positions

Elephantiformes (Suborder) (Tassy, 1988)	Ref: M.J. Benton, 2015: 444.
Elephantoidea ([unranked])	Ref: M.P. Ferretti, 2003: fig. 11A.
Elephantoidea (Suborder) Osborn, 1921	Ref: N.E. Todd, 2010: 76.
Mammutoidea (Suborder)	Ref: R.L. Carroll, 1988: App. (p. 646).
Proboscidea (Order) Owen, 1859	Ref: M.G. Thomas et al., 2000: 2494.

Historical positions

Elephantiformes (Suborder) (Tassy, 1988)	Ref: M.J. Benton, 2015: 444.
Proboscidea (Order) Owen, 1859	Ref: J.A. van Essen, 2011: viii.
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.
Proboscidea (Order) Owen, 1859	Ref: M.G. Thomas et al., 2000: 2494.
Mammutoidea (Superfamily) Hay, 1922	Ref: M.C. McKenna & S.K. Bell, 1997: 499.
Elephantoidea (Suborder) Osborn, 1921	Ref: B. Gardiner et al., 1989: 304.
Mammutoidea (Suborder)	Ref: R.L. Carroll, 1988: App. (p. 646).

Number of Subtaxa

2026	Available in Systema Naturae 2000	‡1g;1s‡‡2g;4s
1989-present	Systema Naturae 2000	[; ‡1g; †2g]
1997	M.C. McKenna & S.K. Bell	[; ‡1g; †2g]