Concise hierarchy

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

Original position

Questionably Eutheria (Infraclass) Gill, 1872

Current position

Behemota (Clade) McKenna, Bell & Shoshani 1997

Ref: R.L. Carroll, 1988: 646. [indirect]

Alternative positions

Eutheria (Infraclass) Gill, 1872	Ref: R.L. Carroll, 1988: 646.
Paenungulata (Superorder) Simpson, 1945	Ref: G.G. Simpson, 1945
Ungulata (Superorder) Linnaeus, 1766	Ref: R.L. Carroll, 1988: table A-1 (p. 629) (Novacek, 1986). [by reference]

Historical positions

Mammalia (Class) Linnaeus, 1758	Ref: 1995
Eutheria (Infraclass) Gill, 1872	Ref: R.L. Carroll, 1988: 646.
Ungulata (Superorder) Linnaeus, 1766	Ref: R.L. Carroll, 1988: table A-1 (p. 629) (Novacek, 1986). [by reference]
Eutheria (Infraclass) Gill, 1872	Ref: A.S. Romer & T.S. Parsons, 1986
Eutheria (Infraclass) Gill, 1872	Ref: T.I. Storer et al., 1979
Paenungulata (Superorder) Simpson, 1945	Ref: R. Altevogt et al., 1973 (1972): 701.
Paenungulata (Superorder) Simpson, 1945	Ref: G.G. Simpson, 1945

Number of Subtaxa

2024	Available in Systema Naturae 2000	†2f;6g;1s
1989-present	Systema Naturae 2000	[; †2f;6g]
1988	R.L. Carroll: 646	[; †1f]