Concise hierarchy

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

Original entries

Questionably Peroryctidae (Family) Archer et al., 1989, nom. nud.

Current position

Australidelphia (Magnorder) Szalay, 1982

Ref: M.J. Benton, 2015: 443.

Alternative positions

Australidelphia (Clade) Szalay 1982	Ref: L.M. Carneiro et al., 2018: fig. 5. [inferred rank]
Mammalia (Class) Linnaeus, 1758	Ref: C.P. Groves, 1993: 39.
Metatheria (Infraclass) Huxley, 1880	Ref: C.J. Burgin et al., 2020: table 2 (p. 26).
Theria (Subclass) Parker & Haswell, 1897	Ref: C.P. Groves, 2005: 38. [implicit]

Historical positions

Metatheria (Infraclass) Huxley, 1880	Ref: C.J. Burgin et al., 2020: table 2 (p. 26).
Australidelphia (Clade) Szalay 1982	Ref: L.M. Carneiro et al., 2018: fig. 5. [inferred rank]
Australidelphia (Magnorder) Szalay, 1982	Ref: M.J. Benton, 2015: 443.
Australidelphia (Magnorder) Szalay, 1982	Ref: M.J. Benton, 2005: 400.
Theria (Subclass) Parker & Haswell, 1897	Ref: C.P. Groves, 2005: 38. [implicit]
Mammalia (Class) Linnaeus, 1758	Ref: C.P. Groves, 1993: 39; 4.

Number of Subtaxa

2024	Available in Systema Naturae 2000	2f;7g;18s;18ss; ‡1f;1g;3s; †2f;5g
1989-present	Systema Naturae 2000: 1 Apr 2022	[2f;7g;18s;18ss; ‡1f;1g; †2f;5g]
2020	C.J. Burgin et al.: table 2 (p. 26)	[2f; ‡1f]
2005	C.P. Groves	[3f;7g;18s;18ss; ‡1g;3s]
1993	C.P. Groves	[2f];8[7]g;21[18]s; ‡[1g;3s]