Shuotheriidae

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Shuotheriidae
Temporal range: Middle-Late Jurassic
Life restoration of Pseudotribos
Lower jaw of Shuotherium dongi
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Clade: Synapsida
Clade: Therapsida
Clade: Cynodontia
Clade: Mammaliaformes
Family: †Shuotheriidae
Chow and Rich, 1982
Genera

Shuotheriidae is a small family of Jurassic mammaliaforms whose remains are found in China, England and possibly Russia. They have been proposed to be close relatives of Australosphenida (which often controversially includes monotremes), together forming the clade Yinotheria. However, some studies suggest shuotheres are closer to therians than to monotremes,[3][4][5] or that australosphenidans and therians are more closely related to each other than either are to shuotheres,[6] with a 2024 study suggesting that shuotheriids were closely related to Docodonta outside of the Mammalia crown group.[7]

References

  1. ^ Mao, F.; Li, Z.; Wang, Z.; Zhang, C.; Rich, T.; Vickers-Rich, P.; Meng, J. (2024). "Jurassic shuotheriids show earliest dental diversification of mammaliaforms". Nature. doi:10.1038/s41586-024-07258-7.
  2. ^ a b Wang, Y.-Q. and Li, C.-K. 2016. Reconsideration of the systematic position of the Middle Jurassic mammaliaforms Itatodon and Paritatodon. Palaeontologia Polonica 67, 249–256.
  3. ^ Rougier, Guillermo W.; Martinelli, Agustín G.; Forasiepi, Analía M.; Novacek, Michael J., New Jurassic mammals from Patagonia, Argentina : a reappraisal of australosphenidan morphology and interrelationships ; American Museum Novitates, no. 3566, 2007
  4. ^ Tom Rich, Patricia Vickers Rich, Palaeobiogeography of Mesozoic Mammals – Revisited, Article · January 2012 doi:10.1007/978-90-481-3428-1_32
  5. ^ Averianov, A. O.; Lopatin, A. V. (July 2014). "On the phylogenetic position of monotremes (Mammalia, Monotremata)". Paleontological Journal. 48 (4): 426–446. doi:10.1134/s0031030114040042. ISSN 0031-0301. S2CID 84039223 – via Scientific Index.
  6. ^ Ramírez-Chaves, Héctor E.; Weisbecker, Vera; Wroe, Stephen; Phillips, Matthew J. (December 2016). "Resolving the evolution of the mammalian middle ear using Bayesian inference". Frontiers in Zoology. 13 (1): 39. doi:10.1186/s12983-016-0171-z. ISSN 1742-9994. PMC 4997658. PMID 27563341.
  7. ^ Mao, Fangyuan; Li, Zhiyu; Wang, Zhili; Zhang, Chi; Rich, Thomas; Vickers-Rich, Patricia; Meng, Jin (2024-04-03). "Jurassic shuotheriids show earliest dental diversification of mammaliaforms". Nature. doi:10.1038/s41586-024-07258-7. ISSN 0028-0836.

Further reading

  • Zofia Kielan-Jaworowska, Richard L. Cifelli, and Zhe-Xi Luo, Mammals from the Age of Dinosaurs: Origins, Evolution, and Structure (New York: Columbia University Press, 2004), 214–215.


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