Concise hierarchy

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

Phylogeny

Total clade		Ref: M.A. O'Leary et al., 2013: table S4 (p. 100: "Total clade of Theria").
Branch-based clade		Ref: T. Rowe, 1993: 139 ("stem-based").
Reference phylogeny [PhyloCode]		Ref: T. Rowe, 1993: fig. 10.2.

Defined by included taxon (and all taxa more closely related to it than to the excluded taxon)

Theria (Clade) Parker & Haswell 1897 [McKenna 1975]

Ref: T. Rowe, 1993: 139 ("therians").

Defined by excluded taxon

Monotremata (Clade) Bonaparte 1837 [Rowe 1988]

Ref: T. Rowe, 1993: 139 ("monotremes").

Original position

Mammalia (Clade) Linnaeus 1758 [Rowe 1988], nom. cl. inval.

Ref: T. Rowe, 1993: fig. 10.2.

Original entries

†Gobiconodon (Genus) Trofimov, 1978		Ref: T. Rowe, 1993: fig. 10.2.
Theriiformes (Clade) Rowe 1988		Ref: T. Rowe, 1993: fig. 10.2.

Current position

Mammalia (Class) Linnaeus, 1758

Ref: M.J. Benton, 2015: box 10.3 (p. 330). [implicit]

Alternative positions

Mammalia (Clade) Linnaeus 1758 [Rowe 1988], nom. cl. inval.

Ref: M.A. O'Leary et al., 2013: table S4 (p. 100). [implicit]

Historical positions

Mammalia (Clade) Linnaeus 1758 [Rowe 1988], nom. cl. inval.

Ref: M.A. O'Leary et al., 2013: table S4 (p. 100). [implicit]

Number of Subtaxa

2024	Available in Systema Naturae 2000	26o;163f;1202g;5115s;4347ss;302v; ‡12f;52g;110s;33ss;1v; †42o;353f;4401g;1679s;65ss;1v
1989-present	Systema Naturae 2000	[26o;135f; ‡1o;10f;52g; †40o;323f;4479g]