Euharamiyida
Euharamiyids were a clade of early mammals or mammal-like cynodonts from the Jurassic Period in China. The group is sometimes considered a sister group to Multituberculata,[1] or part of an earlier divergence within the synapsid line.[2][3]
| Euharamiyida Temporal range: Jurassic | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Therapsida |
| Clade: | Cynodontia |
| Clade: | Mammaliaformes |
| Order: | †Haramiyida |
| Clade: | †Euharamiyida Bi, Wang, Guan, Sheng, & Meng, 2014 |
Evolution
By studying Euharamiyida, Bi et al. (2014) came to the conclusion that mammals evolved during the late Triassic, with allotherians diverging into Euharamiyids and Multituberculates around 208 million years ago from a common Haramiyavia-like ancestor.[1] However, more recent studies showcase that euharamiyidans are more basal mammaliaforms, outside of crown-group Mammalia, rendering Allotheria obsolete.[2][3]
Taxa
| Euharamiyida | |||||||||||||||||||||||||||||||||
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| Cladogram of Euharamiyida |
- Millsodon Butler and Hooker, 2005
- Eleutherodontidae Kermack et al. 1998
- Eleutherodon Kermack et al. 1998
- Maiopatagium Luo et al., 2017
- Megaconus Zhou et al., 2013
- Sineleutherus Martin, Averianov & Pfretzschner, 2010
- Vilevolodon Luo et al. 2017[4]
- Xianshou Wang, Meng, Bi, Guan and Sheng, 2014
- Arboroharamiyidae Zheng et al., 2013
- Arboroharamiya Zheng et al., 2013
- Shenshouidae Mao and Meng, 2019
- Qishou Mao and Meng, 2019
- Shenshou Bi, Wang, Guan, Sheng and Meng, 2014
- Sharypovoia Averianov et al, 2019
References
- Bi, Shundong; Wang, Yuanqing; Sheng, Xia; Meng, Jin (10 September 2014). "Three new Jurassic euharamiyidan species reinforce early divergence of mammals". Nature. Nature Publishing Group. 514 (7524): 579–584. doi:10.1038/nature13718. PMID 25209669.
- Chang, Kenneth (16 November 2015). "Jawbone in Rock May Clear Up a Mammal Family Mystery". New York Times. Retrieved 17 November 2015.
- Luo, Zhe-Xi; Gates, Stephen M.; Jenkins Jr., Farish A.; Amaral, William W.; Shubin, Neil H. (16 November 2015). "Mandibular and dental characteristics of Late Triassic mammaliaform Haramiyavia and their ramifications for basal mammal evolution". PNAS. 112 (51): E7101–E7109. doi:10.1073/pnas.1519387112. PMC 4697399. PMID 26630008. Retrieved 17 November 2015.
- X.-Z. Luo, Q.-J. Meng, D. M. Grossnickle, D. Lui, A. I. Neander, Y.-G. Zhang, and Q. Ji. 2017. New evidence for mammaliaform ear evolution and feeding adaptation in a Jurassic ecosystem. Nature 548:326-329.
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