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Chuanjie Formation

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Geological formation in Yunnan, China
Chuanjie Formation
Stratigraphic range: Aalenian-Bajocian
~174–168 Ma PreꞒ Ꞓ O S D C P T J K Pg N
TypeGeological formation
UnderliesLaoluocun Formation
OverliesLufeng Formation
Thickness221 m (725 ft)
Lithology
PrimaryMudstone, siltstone
OtherConglomerate
Location
Coordinates25°00′N 102°06′E / 25.0°N 102.1°E / 25.0; 102.1
Approximate paleocoordinates25°06′N 108°36′E / 25.1°N 108.6°E / 25.1; 108.6
RegionYunnan
Country China
ExtentYunnan Basin
Chuanjie Formation is located in ChinaChuanjie FormationChuanjie Formation (China)Show map of ChinaChuanjie Formation is located in YunnanChuanjie FormationChuanjie Formation (Yunnan)Show map of Yunnan

The Chuanjie Formation (simplified Chinese: 川街组; traditional Chinese: 川街組; pinyin: Chuānjiē Zǔ), is a geological formation in Yunnan, China. It dates back to the Middle Jurassic. It was formerly referred to as being the lower member of the "Upper Lufeng" as opposed to the underlying "Lower Lufeng" now referred to as the Lufeng Formation. Tracks of theropods and sauropods, as well as thyreophorans are known from the formation.

Fossil content

Vertebrates
Genus Species Location Stratigraphic position Material Notes Images
Analong A. chuanjieensis Quarry 1, Lao Chang Qing A mamenchisaurid sauropod
Chuanjiesaurus C. anaensis. Quarry 1, Lao Chang Qing "Partial postcranial skeleton"
Shidaisaurus S. jinae Quarry 1, Lao Chang Qing "Partial postcranial skeleton"
Xinjiangchelys X. oshanensis Quarry 1, Lao Chang Qing Xinjiangchelyid turtle

See also

References

  1. ^ Weishampel, David B; et al. (2004). "Dinosaur distribution (Middle Jurassic, Asia)." In: Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. Pp. 541–542. ISBN 0-520-24209-2.
  2. Xing et al., 2014
  3. Xing et al., 2019
  4. "Quarry 1, Lao Chang Qing (Jurassic of China)". Fossilworks. Retrieved 17 December 2021.
  5. Ren et al., 2020
  6. "Table 13.1," in Weishampel, et al. (2004). Page 261.
  7. Tong et al., 2015

Bibliography

  • Ren, X.-X.; Sekiya, T.; Wang, T.; Yang, Z.-W.; You, H.-L. (2020), "A revision of the referred specimen of Chuanjiesaurus anaensis Fang et al., 2000: a new early branching mamenchisaurid sauropod from the Middle Jurassic of China", Historical Biology
  • Xing, Lida; Lockley, Martin G.; Klein, Hendrik; Gierliński, Gerard D.; Ye, Yong; Zhang, Jianping; Persons, W. Scott; Wang, Tao (2019), "First Thyreophoran Type Tracks from the Middle Jurassic Chuanjie Formation of Yunnan Province, China", Ichnos, 26 (1): 8–15, Bibcode:2019Ichno..26....8X, doi:10.1080/10420940.2017.1366904, ISSN 1042-0940
  • Tong, Haiyan; Dong, Zhiming; Wang, Tao (2015). "A revision of Xinjiangchelys oshanensis (), and new material from the Middle Jurassic of Lufeng, Yunnan Province, China". Bulletin de la Société Géologique de France. 186 (1): 43–49. doi:10.2113/gssgfbull.186.1.43. ISSN 0037-9409.
  • Xing, Li-Da; Lockley, Martin G.; Miyashita, Tetsuto; Klein, Hendrik; Wang, Tao; Persons, W. Scott; Pan, Shi-Gang; Zhang, Jian-Ping; Dong, Zhi-Ming (2014), "Large sauropod and theropod tracks from the Middle Jurassic Chuanjie Formation of Lufeng County, Yunnan Province and palaeobiogeography of the Middle Jurassic sauropod tracks from southwestern China", Palaeoworld, 23 (3–4): 294–303, doi:10.1016/j.palwor.2014.04.003
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