Concise hierarchy

(Kingdom) Animalia - (Phylum) Chordata

Phylogeny

Branch-based clade

Ref: M.A. O'Leary et al., 2004: 494 ("stem-based taxa").

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

Elephas maximus Linnaeus, 1758

Ref: M.A. O'Leary et al., 2004: 494.

Defined by excluded taxon

Reptilia (Clade) Linnaeus 1758 [Gauthier 1984], nom. cl. inval.

Ref: M.A. O'Leary et al., 2004: 494 ("sensu Gauthier et al. 1988").

Generic clade

Mammaliaformes (Clade) Rowe 1988, nom. cl. inval.

Ref: M.A. O'Leary et al., 2004: 494.

Current position

Mammaliamorpha (Clade) Rowe 1988, nom. cl. inval.

Ref: T. Rowe, 1988: 250. [new taxon]

Alternative positions

Amniota (Series) Haeckel, 1866	Ref: M.C. McKenna & S.K. Bell, 1997: 511. [indirect]
†Mammaliamorpha (Subclass) Rowe, 1988	Ref: [Anonymous], 1989 [assumed]
Tetrapoda (Superclass) Goodrich, 1930	Ref: M.C. McKenna & S.K. Bell, 1997 [indirect]

Historical positions

Eucarya (Domain) Woese, Kandler & Wheelis, 1990	Src: M.A. O'Leary et al., 2004: fig. 28.2. [implicit]
Mammaliamorpha (Clade) Rowe 1988, nom. cl. inval.	Src: T. Rowe, 1988: 250-251, figs. 3, 4. [new taxon]

Number of Subtaxa

1989-present	Systema Naturae 2000	[1c;27o;137f; ‡1o;10f;52g; †44o;335f;4521g]
1997	M.C. McKenna & S.K. Bell	[1c;24o;125f;1081g; ‡1o;6f;43g; †24o;301f;4057g]