Concise hierarchy

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

Subsequent positions

†Meridiungulata (Mirorder) McKenna, 1975

Original entries

Questionably †Blastoconus (Genus) Roth, 1903, nom. dub.
Questionably †Eoastrapostylopidae (Family) Soria & Powell, 1981
Questionably †Notorhinus (Genus) Roth, 1903, nom. oblit.
Questionably †Trigonostylopidae (Family) Ameghino, 1901

Subsequent entries

†Astrapotheriidae (Family) Ameghino, 1887

Current position

†Meridiungulata (Grandorder) McKenna, 1975

Ref: M.J. Benton, 1997: App. (p. 402).

Alternative positions

Eutheria (Infraclass) Gill, 1872	Ref: R.L. Carroll, 1988: 647.
†Meridiungulata (Mirorder) McKenna, 1975	Ref: M.C. McKenna & S.K. Bell, 1997: 466.
†Meridiungulata (Superorder) McKenna, 1975	Ref: M.J. Benton, 2015: 444.
Protungulata (Superorder)	Ref: G.G. Simpson, 1945

Historical positions

†Meridiungulata (Superorder) McKenna, 1975	Ref: M.J. Benton, 2015: 444.
†Meridiungulata (Superorder) McKenna, 1975	Ref: M.J. Benton, 2005: 402.
†Meridiungulata (Mirorder) McKenna, 1975	Ref: M.C. McKenna & S.K. Bell, 1997: 466.
Mammalia (Class) Linnaeus, 1758	Ref: 1995
Eutheria (Infraclass) Gill, 1872	Ref: R.L. Carroll, 1988: 647.
Eutheria (Infraclass) Gill, 1872	Ref: A.S. Romer & T.S. Parsons, 1986
Eutheria (Infraclass) Gill, 1872	Ref: T.I. Storer et al., 1979
Protungulata (Superorder)	Ref: R. Altevogt et al., 1973 (1972): 699.
Protungulata (Superorder)	Ref: G.G. Simpson, 1945

Number of Subtaxa

2024	Available in Systema Naturae 2000	†3f;16g
1989-present	Systema Naturae 2000	[; †3f;16g]
1997	M.C. McKenna & S.K. Bell	[; †3f;16g]
1988	R.L. Carroll: 647	[; †2f]