Jimusaria

Jimusaria
Temporal range: Late Permian
J. sinkiangensis skull in Paleozoological Museum of China
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Clade: Synapsida
Clade: Therapsida
Clade: †Anomodontia
Clade: †Dicynodontia
Clade: †Bidentalia
Infraorder: †Dicynodontoidea
Genus: †Jimusaria
Sun, 1963
Type species
†Dicynodon sinkianensis
Yuan & Young, 1934
Species
  • †J. sinkianensis (Yuan & Young, 1934)
  • †J. monanensis Shi & Liu, 2023
Synonyms

J. sinkianensis:

  • †Jimusaria taoshuyuanensis Sun, 1973

Jimusaria is an extinct genus of dicynodont therapsid from the Late Permian (Changhsingian) of China. The type species J. sinkianensis from the Guodikeng Formation (Jilicao Group) in Xinjiang, was originally named as a species of Dicynodon, the first from Asia, but was given its own genus in 1963 before being sunk back into Dicynodon in 1988. The genus was resurrected in 2011 by palaeontologist Christian Kammerer in a taxonomic revision of the genus Dicynodon. Jimusaria was a mid-sized dicynodont, and was similar in appearance to the South African Dicynodon, but differed from it in features such as its narrower snout.[1] A second species, Jimusaria monanensis was described from the Naobaogou Formation of northern China in 2023.[2]

References

  1. ^ Kammerer, C.F.; Angielczyk, K.D.; Fröbisch, J. (2011). "A comprehensive taxonomic revision of Dicynodon (Therapsida, Anomodontia) and its implications for dicynodont phylogeny, biogeography, and biostratigraphy". Journal of Vertebrate Paleontology. 31 (Suppl. 1): 1–158. Bibcode:2011JVPal..31S...1K. doi:10.1080/02724634.2011.627074. S2CID 84987497.
  2. ^ Shi, Yu-Tai; Liu, Jun (2023-07-31). "The tetrapod fauna of the upper Permian Naobaogou Formation of China: 10. Jimusaria monanensis sp. nov. (Dicynodontia) shows a unique epipterygoid". PeerJ. 11 e15783. doi:10.7717/peerj.15783. ISSN 2167-8359. PMC 10399559. PMID 37547715.

Further reading

  • A.-l. Sun. 1973. [Permo-Triassic dicynodonts from Turfan, Sinkiang]. Reports of Paleontological Expedition to Sinkiang (I): Permo-Triassic Vertebrate Fossils of Turfan Basin. Memoirs of the Institute of Vertebrate Paleontology and Paleoanthropology Academia Sinica 10:53-68
  • P. L. Yuan and C. C. Young. 1934. On the discovery of a new Dicynodon in Sinkiang. Bulletin of the geological Society of China 13(1):563-574


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