Tribosphenida
From Infogalactic: the planetary knowledge core
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| Tribosphenida |
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| Kangaroo with her joey | |
Scientific classification  |
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| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Synapsida |
| Class: | Mammalia |
| Sublegion: | Zatheria |
| Infralegion: | Tribosphenida McKenna, 1975 |
| Clades | |
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Tribosphenida is a group (infralegion) of mammals that includes the ancestor of Hypomylos, Necrolestidae, Aegialodontia and Theria (the last common ancestor of marsupials and placentals plus all of its descendants).
Phylogeny
Below is a cladogram from Rowe (1988) and McKenna and Bell (1997) showing one hypothesis of mammal relationships:[1][2]
| Mammaliaformes |
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References
External links
- MESOZOIC MAMMALS; Stem zatherians, zatherians & Peramuridae, an internet directory[dead link]
- THERIA И MARSUPIONTA (in Russian)
- Infralegion Tribosphenida - Hierarchy - The Taxonomicon[not in citation given]
Further reading
- McKenna, Bell: Classification of Mammal: Above the Species Level
- Teun van Rheede, Trijntje Bastiaans, David N Boone, S Blair Hedges, Wilfried W de Jong, Ole Madsen: The Platypus is in its Place: Nuclear Genes and Indels Confirm the Sister Group Relation of Monotremes and Therians.
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