Concise hierarchy

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

Included, by definition, in node-based clade

Theria (Supercohort) Parker & Haswell, 1897

Ref: M.C. McKenna & S.K. Bell, 1997: 49 (note 1: "placentals"); 80.

Original position

Theria (Supercohort) Parker & Haswell, 1897

Ref: M.C. McKenna & S.K. Bell, 1997: 80.

Original entries

†Aspanlestes (Genus) Nessov, 1985		Ref: M.C. McKenna & S.K. Bell, 1997: 81.
†Beleutinus (Genus) Bazhanov, 1972, nom. dub.		Ref: M.C. McKenna & S.K. Bell, 1997: 81.
Bibymalagasia (Order) MacPhee, 1994		Ref: M.C. McKenna & S.K. Bell, 1997: 81.
†Bulaklestes (Genus) Nessov, 1985		Ref: M.C. McKenna & S.K. Bell, 1997: 81.
†Cretasorex (Genus) Nessov & Gureev, 1981		Ref: M.C. McKenna & S.K. Bell, 1997: 81.
†Daulestes (Genus) Trofimov & Nessov, 1979		Ref: M.C. McKenna & S.K. Bell, 1997: 81.
†Eodesmatodon (Genus) Zheng & Chi, 1978		Ref: M.C. McKenna & S.K. Bell, 1997: 81.
Epitheria (Magnorder) McKenna, 1975		Ref: M.C. McKenna & S.K. Bell, 1997: 102.
†Eutrochodon (Genus) Roth, 1903		Ref: M.C. McKenna & S.K. Bell, 1997: 81.
†Helioseus (Genus) Sudre, 1979		Ref: M.C. McKenna & S.K. Bell, 1997: 81.
†Idiogenomys (Genus) Ostrander, 1983		Ref: M.C. McKenna & S.K. Bell, 1997: 81.
†Kumsuperus (Genus) Nessov, 1984, nom. dub.		Ref: M.C. McKenna & S.K. Bell, 1997: 81.
†Neodesmostylus (Genus) Khomenko, 1927		Ref: M.C. McKenna & S.K. Bell, 1997: 81.
†Obtususdon (Genus) Xu, 1977		Ref: M.C. McKenna & S.K. Bell, 1997: 81.
†Sorlestes (Genus) Nessov, 1985		Ref: M.C. McKenna & S.K. Bell, 1997: 81.
†Telacodon (Genus) Marsh, 1892		Ref: M.C. McKenna & S.K. Bell, 1997: 81.
†Tingamarra (Genus) Godthelp, Archer, Cifelli, Hand & Gilkeson, 1992		Ref: M.C. McKenna & S.K. Bell, 1997: 81.
†Veratalpa (Genus) Ameghino, 1905		Ref: M.C. McKenna & S.K. Bell, 1997: 81.
†Wanotherium (Genus) Tang & Yan, 1976		Ref: M.C. McKenna & S.K. Bell, 1997: 81.
Xenarthra (Magnorder) Cope, 1889		Ref: M.C. McKenna & S.K. Bell, 1997: 82.

Current position

Eutheria (Infraclass) Gill, 1872

Ref: K.D. Rose, 2006: table 1.2; Bi et al., 2018: fig. 4.

Alternative positions

Eutheria (Supercohort) Gill, 1872	Ref: M.J. Benton, 2015: 443.
Theria (Supercohort) Parker & Haswell, 1897	Ref: M.C. McKenna & S.K. Bell, 1997: 80. [new rank]
Theria (Infralegion) Parker & Haswell, 1897	Ref: M.J. Benton, 2005: 400.

Historical positions

Eutheria (Supercohort) Gill, 1872	Ref: M.J. Benton, 2015: 443.
Eutheria (Infraclass) Gill, 1872	Ref: K.D. Rose, 2006: table 1.2.
Theria (Infralegion) Parker & Haswell, 1897	Ref: M.J. Benton, 2005: 400, box 10.6.
Theria (Supercohort) Parker & Haswell, 1897	Ref: M.C. McKenna & S.K. Bell, 1997: 80. [new rank]

Number of Subtaxa

2025	Available in Systema Naturae 2000	19o;144f;1112g;4794s;4140ss;302v; ‡10f;49g;99s;31ss;1v; †23o;243f;3869g;1284s;64ss;1v
1989-present	Systema Naturae 2000	[19o;115f; ‡1o;9f;49g; †24o;240f;3987g]
2015	M.J. Benton: 446	[20o; †16o]
1997	M.C. McKenna & S.K. Bell	[17o;108f;1005g; ‡1o;5f;40g; †12o;218f;3610g]