Concise hierarchy

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

Phylogeny

Crown clade

Ref: M.A. O'Leary et al., 2013: table S4 (p. 101: "Node-based crown clade").

First representative

†Prodiacodon crustulum Novacek, 1977

Ref: M.A. O'Leary et al., 2013: table S2 (p. 85).

Included, by definition, in node-based clade

Atlantogenata (Clade) Waddell, Cao, Hasegawa & Mindell 1999

Ref: P.J. Waddell et al., 1999c: 134.

Subsequent entries

Colbertia (Clade) O'Leary, Bloch, Flynn, Gaudin, Giallombardo, Giannini, Goldberg, Kraatz, Luo, Meng, Ni, Novacek, Perini, Randall, Rougier, Sargis, Silcox, Simmons, Spaulding, Velazco, Weksler, Wible & Cirranello 2013

Ref: M.A. O'Leary et al., 2013: table S4 (p. 101). [implicit]

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. 101).

Historical positions

Epitheria (Clade) McKenna 1975	Ref: M.A. O'Leary et al., 2013: table S4 (p. 101).
Eutheria (Clade) Gill 1872 [O'Leary, Allard, Novacek, Meng & Gatesy 2004]	Ref: H. Nishihara et al., 2006: 9929, 9933, fig. 2.

Number of Subtaxa

1989-present	Systema Naturae 2000	[6o]
2006	H. Nishihara et al.: fig. 2	[6o]