Concise hierarchy

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

Phylogeny

Crown clade

Ref: M.A. O'Leary et al., 2013: table S4 (p. 102: "Node-based crown clade").

First representative

†Protungulatum donnae Sloan & Van Valen, 1965		Ref: M.A. O'Leary et al., 2013: table S2 (p. 86).
†Purgatorius coracis Fox & Scott, 2011		Ref: M.A. O'Leary et al., 2013: table S2 (p. 86).

Defined by the most recent common ancestor (and all its descendants) of

Homo sapiens Linnaeus, 1758		Ref: M.A. O'Leary et al., 2013: table S4 (p. 102).
Lama glama (C. Linnaeus, 1758)		Ref: M.A. O'Leary et al., 2013: table S4 (p. 102).

Current position

Eutheria (Clade) Gill 1872 [O'Leary, Allard, Novacek, Meng & Gatesy 2004]

Ref: H. Nishihara et al., 2006: 9933.

Alternative positions

Epitheria (Clade) McKenna 1975	Ref: M.A. O'Leary et al., 2013: table S4 (p. 102). [implicit]
Placentalia (Clade) Owen 1837 [O'Leary, Allard, Novacek, Meng & Gatesy 2004]	Ref: R.J. Asher, 2018: table 7.1 (p. 306).

Historical positions

Epitheria (Clade) McKenna 1975	Ref: M.A. O'Leary et al., 2013: table S4 (p. 102). [implicit]
Eutheria (Clade) Gill 1872 [O'Leary, Allard, Novacek, Meng & Gatesy 2004]	Ref: H. Nishihara et al., 2006: 9933, fig. 2.

Number of Subtaxa

1989-present	Systema Naturae 2000	[11o]
2006	H. Nishihara et al.: fig. 2	[11o]