Concise hierarchy

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

Current position

Fereuungulata (Clade) Waddell, Cao, Hauf & Hasegawa 1999

Ref: K.D. Rose, 2006: table 8.1. [indirect]

Alternative positions

Epitheria (Magnorder) McKenna, 1975	Ref: Z. Kielan-Jaworowska et al., 2004: table 1.2 (p. [17]).
Epitheria (Cohort) McKenna, 1975
Ferungulata (Cohort)	Ref: G.G. Simpson, 1945
Pegasoferae (Superorder) Nishihara, Hasegawa & Okada, 2006	Ref: M.J. Benton, 2015: 445. [phylogenetic position]
Placentalia (Clade) Owen 1837 [O'Leary, Allard, Novacek, Meng & Gatesy 2004]	Ref: Z. Kielan-Jaworowska et al., 2004 (alt.): table 1.1 (p. 15).

Historical positions

Pegasoferae (Superorder) Nishihara, Hasegawa & Okada, 2006	Ref: M.J. Benton, 2015: 445. [phylogenetic position]
Epitheria (Magnorder) McKenna, 1975	Ref: Z. Kielan-Jaworowska et al., 2004: tables 1.2 (p. [17]), 13.1 (p. [494]).
Placentalia (Clade) Owen 1837 [O'Leary, Allard, Novacek, Meng & Gatesy 2004]	Ref: Z. Kielan-Jaworowska et al., 2004 (alt.): table 1.1 (p. 15).
Ferungulata (Cohort)	Ref: G.G. Simpson, 1945

Number of Subtaxa

1989-present	Systema Naturae 2000: 11 Dec 2014	[1o;14f;128g;285s;1254ss; ‡3g; †1o;7f;470g]
2015	M.J. Benton: 445	[2o; †1o]
1945	G.G. Simpson:	[1o]