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Shihtienfenia : ウィキペディア英語版 | Shihtienfenia
''Shihtienfenia'' was a pareiasaurid from the Middle Permian of China.〔 ==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).Honania complicidentata and Tsiyania simplicidentata (Young, 1979), also from this locality, are based on isolated teeth and probably invalid taxa, or synonyms of S. permica. ''S. xuecunensis'' (Cheng, 1980);from the Shihezi Formation of Henan, differs only in possession of a more robust humerus, which is not enough to justify taxonomy separation; Huanghesaurus liuliensis known from a lowre jaw and partial skeleton would be another synonym. (Lucas 2001).
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