Shihtienfenia
| Shihtienfenia Temporal range: Changhsingian,
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| Fossils on display at the Paleozoological Museum of China | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Clade: | †Parareptilia |
| Order: | †Procolophonomorpha |
| Clade: | †Pareiasauria |
| Family: | †Pareiasauridae |
| Genus: | †Shihtienfenia Young & Yeh, 1963 |
| Type species | |
| †Shihtienfenia permica Young & Yeh, 1963
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| Species | |
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| Synonyms[1] | |
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Shihtienfenia was a pareiasaurid parareptile from the Late Permian of China.[1]
Species
[edit]
Lee (1997) refers to S. xuecunensis as a metaspecies lacking the autapomorphies of Shihtienfenia. Tsuji & Müller (2009) seem to consider it a valid taxon for cladistic analysis, and like Lee 1997 place the two Chinese species close to Pareiasuchus.
S. permica (Young and Yeh, 1963); The skull of this pareiasaur is unknown. It is known originally from a number of isolated vertebrae, jaws, and limb-bones and an incomplete skeleton, all from the Shiqianfeng locality near Baode, Shanxi, part of the Sunjiagou Formation. Shanshisaurus xuecunensis Cheng, 1980 and Huanghesaurus liuliensis Gao, 1983 are synonyms.[3]
S. completus (Wang, Yi and Liu, 2019); The first pareiasaur skull from Asia came from this species.
Classification
[edit]Shihtienfenia is unusual because of the presence of 6, rather than the usual 4, sacral vertebrae, and may belong in a separate subfamily, although Oskar Kuhn includes it under the Pareiasaurines in his monograph (Kuhn 1969). As with the Pareiasaurines the upper margin of the ilium is flat.
References
[edit]- ^ a b c "†Shihtienfenia Young and Yeh 1963". Paleobiology Database. Fossilworks. Retrieved 17 December 2021.
- ^ Jun-you Wang; Jian Yi; Jun Liu (2019). "The first complete pareiasaur skull from China". Acta Palaeontologica Sinica. 58 (2): 216–221.
- ^ Benton, Michael J. (2016). "The Chinese pareiasaurs" (PDF). Zoological Journal of the Linnean Society. 177 (4): 813–853. doi:10.1111/zoj.12389. hdl:1983/6d1a4f9b-a768-4b86-acb1-b3ad1f7ee885.
External links
[edit]- Pareiasaurinae at Palaeos
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