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Taxon: Theria (mammal)
 Entity: 

Concise hierarchy

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

Current position

Boreosphenida (Subclass) Ref: M.J. Benton, 2005: 400. [inferred rank] [implicit]

Alternative positions

Theriiformes ([unranked]) Rowe, 1986 Ref: T. Rowe, 1988: 251.

Historical positions

Theriiformes ([unranked]) Rowe, 1986 Ref: T. Rowe, 1988: 251, figs. 3, 4.

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

Marsupialia ([unranked]) Ref: T. Rowe, 1988: 247
Placentalia ([unranked]) Ref: T. Rowe, 1988: 247

Included, by definition, in node-based clade

Holotheria ([unranked]) Ref: Wible et al., 1995.
Mammalia ([unranked]) Linnaeus, 1758 Ref: T. Rowe, 1988: 247
Theriiformes ([unranked]) Rowe, 1986 Ref: T. Rowe, 1988: 251 [Rowe, 1986a]

Number of Subtaxa

2020 Available in Systema Naturae 2000 26o;138f;1193g;5138s;4328ss;302v; ‡1o;8f;53g;110s;31ss;1v; †30o;279f;4237g;1145s;65ss
1989-present Systema Naturae 2000 [26o;135f; ‡1o;10f;52g; †30o;282f;4280g]
©2004-2019 Universal Taxonomic Services
Last updated: 20 Dec 2019