Concise hierarchy

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

Phylogeny

Node-based clade		Ref: Z.-X. Luo et al., 2002: 29. [implicit]
Reference phylogeny [PhyloCode]		Ref: Z.-X. Luo et al., 2001: fig. 1. [implicit]

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

†Kielantherium (Genus) Dashzeveg, 1975		Ref: Z.-X. Luo et al., 2002: 29.
Marsupialia ([unranked]) Jameson, 1818		Ref: Z.-X. Luo et al., 2002: 29 ("marsupials").
Placentalia ([unranked]) Owen, 1837		Ref: Z.-X. Luo et al., 2002: 29 ("placentals").

Included, by definition, in branch-based clade

Cladotheria (Clade) McKenna 1975

Ref: Z. Kielan-Jaworowska et al., 2004: 371 ("boreosphenidans").

Current position

Prototribosphenida (Clade) Wible, Rougier, Novacek, McKenna & Dashzeveg 1995

Ref: Z. Kielan-Jaworowska et al., 2004 (alt.): table 10.1 (p. 379); Martinelli et al., 2021: fig. 7; Benton, 2015: box 10.3 (p. 330). [inferred]

Alternative positions

Zatheria (Clade) McKenna 1975

Ref: Z. Kielan-Jaworowska et al., 2004 (alt.): table 10.1 (p. 379).

Historical positions

Zatheria (Clade) McKenna 1975

Ref: Z. Kielan-Jaworowska et al., 2004 (alt.): table 10.1 (p. 379).

Number of Subtaxa

2025

Available in Systema Naturae 2000

26o;163f;1202g;5115s;4347ss;302v; ‡12f;52g;110s;33ss;1v; †34o;302f;4214g;1456s;65ss;1v