Shihtienfenia
| Shihtienfenia Temporal range: Capitanian, 260 Ma | |
|---|---|
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| Maxilla of Honania complicidentata, which may be valid | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Procolophonomorpha |
| Family: | †Pareiasauridae |
| Genus: | †Shihtienfenia Young & Yeh, 1963 |
| Type species | |
| †Shihtienfenia permica Young & Yeh, 1963 | |
| Species | |
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| Synonyms | |
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Shihtienfenia was a pareiasaurid from the Middle Permian of China.[1]
Species
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 a single locality (Shiqianfeng Formation at Baode, Shansi). Shanshisaurus xuecunensis' Cheng, 1980 and Huanghesaurus liuliensis Gao, 1983 are synonyms.[2]
Classification
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
- ↑ "Shihtienfenia". The Paleobiology Database. Retrieved February 2012.
- ↑ Michael J. Benton (2016). "The Chinese pareiasaurs". Zoological Journal of the Linnean Society. in press. doi:10.1111/zoj.12389.
External links
- Pareiasaurinae at Palaeos
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