Concise hierarchy

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

Original entries

Questionably Polydolopimorphia (Suborder) Archer, 1984

Current position

Metatheria (Infraclass) Huxley, 1880

Ref: R.L. Carroll, 1988: 628.

Alternative positions

Mammalia (Class) Linnaeus, 1758	Ref: R.M. Nowak, 1991: 10.
Metatheria (Subclass) Huxley, 1880	Ref: W. Fiedler et al., 1973: 609.

Historical positions

Mammalia (Class) Linnaeus, 1758	Ref: 1995
Mammalia (Class) Linnaeus, 1758	Ref: G.B. Corbet & J.E. Hill, 1991: 9.
Mammalia (Class) Linnaeus, 1758	Ref: R.M. Nowak, 1991: 10-12.
Metatheria (Infraclass) Huxley, 1880	Ref: R.L. Carroll, 1988: 628.
Metatheria (Infraclass) Huxley, 1880	Ref: T.I. Storer et al., 1979
Metatheria (Subclass) Huxley, 1880	Ref: W. Fiedler et al., 1973: [609].
Metatheria (Infraclass) Huxley, 1880	Ref: G.G. Simpson, 1945

Number of Subtaxa

1989-present	Systema Naturae 2000	[16f;75g];~282[273]s; ‡[1f;3g;9s]
1991	G.B. Corbet & J.E. Hill: 9	[16f;75g];~282[273]s; ‡[1f;3g;9s]
1991	R.M. Nowak	16[15]f;78[74]g;280[269]s; ‡[1f;4g;12s]; †12f
1988	R.L. Carroll: 629	[15f; ‡1f; †14f]
1973	W. Fiedler et al.	9f;71g;241s
1945	G.G. Simpson	8f