Concise hierarchy

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

Included, by definition, in node-based clade

Cetartiodactyla (Clade) Montgelard, Catzeflis & Douzery 1997		Ref: C. Montgelard et al., 1997: 555.
Whippomorpha (Clade) Waddell, Okada & Hasegawa 1999		Ref: P.J. Waddell et al., 1999a: 2. [implicit]

Subsequent positions

Eutheria (Infraclass) Gill, 1872

Original entries

Questionably †Archaeoceti (Suborder) Flower, 1883
Questionably Mysticeti (Suborder) Cope, 1891
Questionably Odontoceti (Suborder) Flower, 1867

Current position

Cetartiodactyla (Superorder) Montgelard, Catzeflis & Douzery, 1997

Ref: M.J. Benton, 2015: 445.

Alternative positions

Carnaria (Subclass)	Ref: E.R. Lankester, 1877: 454.
Eutheria (Subclass) Gill, 1872	Ref: I. Eibl-Eibesfeldt et al., 1974: 595.
Eutheria (Infraclass) Gill, 1872	Ref: R.L. Carroll, 1988: 643.
Mammalia (Class) Linnaeus, 1758	Ref: J.G. Mead & R.L. Brownell Jr., 1993: 349.
Mutica (Cohort) Linnaeus, 1766	Ref: G.G. Simpson, 1945
Placentalia (Infraclass) Owen, 1837	Ref: D.E. Wilson & D.M. Reeder, 2011: 59.
Ungulata (Superorder) Linnaeus, 1766	Ref: R.L. Carroll, 1988: table A-1 (p. 629) (Novacek, 1986). [by reference]

Historical positions

Cetartiodactyla (Superorder) Montgelard, Catzeflis & Douzery, 1997	Ref: M.J. Benton, 2015: 445.
Placentalia (Infraclass) Owen, 1837	Ref: D.E. Wilson & D.M. Reeder, 2011: 59.
Cetacea/Artiodactyla (Clade) Montgelard, Catzeflis & Douzery 1997	Ref: J.G.M. Thewissen et al., 2007: 1190, 1193, fig. 2. [implicit]
Theria (Subclass) Parker & Haswell, 1897	Ref: J.G. Mead & R.L. Brownell Jr., 2005: 723.
Cetartiodactyla (Superorder) Montgelard, Catzeflis & Douzery, 1997	Ref: M.J. Benton, 2005: 402, box 10.6.
Mammalia (Class) Linnaeus, 1758	Ref: J.J. Sepkoski Jr., 2002: 321.
Tetrapoda (Clade) Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988]	Ref: J. van der Land, 2001: 376. [rough position]
Mammalia (Class) Linnaeus, 1758	Ref: 2000
Mammalia (Class) Linnaeus, 1758	Ref: 1995
Mammalia (Class) Linnaeus, 1758	Ref: J.G. Mead & R.L. Brownell Jr., 1993: 349; 6.
Mammalia (Class) Linnaeus, 1758	Ref: G.B. Corbet & J.E. Hill, 1991: 117.
Mammalia (Class) Linnaeus, 1758	Ref: R.M. Nowak, 1991
Eutheria (Infraclass) Gill, 1872	Ref: R.L. Carroll, 1988: 643.
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: 626.
Eutheria (Infraclass) Gill, 1872	Ref: T.I. Storer et al., 1979
Eutheria (Subclass) Gill, 1872	Ref: I. Eibl-Eibesfeldt et al., 1974: 595.
Eutheria (Infraclass) Gill, 1872	Ref: L.B. Halstead, 1974: 172.
Mutica (Cohort) Linnaeus, 1766	Ref: G.G. Simpson, 1945
Carnaria (Subclass)	Ref: E.R. Lankester, 1877: 454.

Number of Subtaxa

1989-present	Systema Naturae 2000	[10f;39g;79s; ‡1f;1g; †18f;241g]
2011	D.E. Wilson & D.M. Reeder: 59	2so;[14f]
1993	D.E. Wilson & D.M. Reeder: 6	[10f];41g;78s
1993	D.E. Wilson & D.M. Reeder: 6	[10f];41g;78s
1993	J.G. Mead & R.L. Brownell Jr.	[10f];41g;78s
1991	G.B. Corbet & J.E. Hill	[9f;39g];~77s
1988	R.L. Carroll: 644	[10f; †10f]