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Under construction
Node-based clade: Clade Boreosphenida Luo, Cifelli & Kielan-Jaworowska 2001 (mammal)
 Entity: 

Concise hierarchy

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

Current position

Prototribosphenida (Clade) Wible, Rougier, Novacek, McKenna & Dashzeveg 1995 Ref: Z. Kielan-Jaworowska et al., 2004 (alt.): table 10.1 (p. 379). [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).

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")

Number of Subtaxa

2023 Available in Systema Naturae 2000 26o;163f;1202g;5115s;4347ss;302v; ‡12f;52g;110s;33ss;1v; †34o;302f;4214g;1456s;65ss;1v
©2004-2022 Universal Taxonomic Services
Last updated: 4 Aug 2022