Tribosphenida
| Tribosphenida Temporal range: Middle Jurassic - Present, 165–0 Ma | |
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| Kangaroo with her joey | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Legion: | Cladotheria |
| 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
- ↑ Rowe, Timothy (1988). "Definition, diagnosis, and origin of Mammalia". Journal of Vertebrate Paleontology 8 (3): 241–264. doi:10.1080/02724634.1988.10011708. ISSN 0272-4634.
- ↑ McKenna, Malcolm C.; Bell, Susan K. (1997). Classification of Mammals Above the Species Level. Columbia University Press. pp. 9–10. ISBN 978-0-231-11012-9. Retrieved 16 March 2015.
External links
- MESOZOIC MAMMALS; Stem zatherians, zatherians & Peramuridae, an internet directory
- THERIA И MARSUPIONTA (in Russian)
- Infralegion Tribosphenida - Hierarchy - The Taxonomicon
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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