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Under construction
Crown clade: Marsupialia Jameson 1818 [O'Leary, Allard, Novacek, Meng & Gatesy 2004] (mammal)
 Entity: 

Concise hierarchy

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

Phylogeny

Crown clade Ref: M.A. O'Leary et al., 2004: 491 ("crown clade").
Reference phylogeny [PhyloCode] Ref: M.A. O'Leary et al., 2004: fig. 28.2. [inferred]

First representative

Peradectes minor Clemens, 2006 Ref: M.A. O'Leary et al., 2013: table S2 (p. 85).

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

Didelphis virginiana Kerr, 1792 Ref: M.A. O'Leary et al., 2004: 491.
Macropus giganteus Shaw, 1790 Ref: M.A. O'Leary et al., 2004: 491.

Included, by definition, in node-based clade

Theria (Clade) Parker & Haswell 1897 [McKenna 1975] Ref: T. Rowe, 1988: 247, 251 ("marsupials").

Current position

Notometatheria (Clade) Kirsch, Lapointe & Springer 1997 Ref: É.V. Oliveira et al., 2021: fig. 6.

Alternative positions

Metatheria (Clade) Huxley 1880 [O'Leary, Allard, Novacek, Meng & Gatesy 2004] Ref: M.A. O'Leary et al., 2004: fig. 28.2.
Theria (Clade) Parker & Haswell 1897 [McKenna 1975] Ref: T. Rowe, 1988: fig. 3.

Historical positions

Notometatheria (Clade) Kirsch, Lapointe & Springer 1997 Ref: É.V. Oliveira et al., 2021: fig. 6.
Notometatheria (Clade) Kirsch, Lapointe & Springer 1997 Ref: L.M. Carneiro et al., 2018: fig. 5.
Metatheria (Clade) Huxley 1880 [O'Leary, Allard, Novacek, Meng & Gatesy 2004] Ref: M.A. O'Leary et al., 2013: table S4 (p. 100).
Theria (Clade) Parker & Haswell 1897 [McKenna 1975] Ref: H. Nishihara et al., 2006: fig. 2. [indirect]
Metatheria (Clade) Huxley 1880 [O'Leary, Allard, Novacek, Meng & Gatesy 2004] Ref: M.A. O'Leary et al., 2004: fig. 28.2.
Theria (Clade) Parker & Haswell 1897 [McKenna 1975] Ref: T. Rowe, 1988: figs. 3, 4.

Number of Subtaxa

2024 Available in Systema Naturae 2000 1o
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Last updated: 1 Feb 2024