Earth:Chuanjie Formation

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Chuanjie Formation
Stratigraphic range: Aalenian-Bajocian
~174–168.5 Ma
TypeGeological formation
UnderliesLaoluocun Formation
OverliesLufeng Formation
Thickness221 m (725 ft)
Lithology
PrimaryMudstone, siltstone
OtherConglomerate
Location
Coordinates [ ⚑ ] : 25°00′N 102°06′E / 25.0°N 102.1°E / 25.0; 102.1
Paleocoordinates [ ⚑ ] 25°06′N 108°36′E / 25.1°N 108.6°E / 25.1; 108.6
RegionYunnan
CountryChina
ExtentYunnan Basin
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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.[1] 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,[2] as well as thyreophorans[3] are known from the formation.

Fossil content

Color key
Taxon Reclassified taxon Taxon falsely reported as present Dubious taxon or junior synonym Ichnotaxon Ootaxon Morphotaxon
Notes
Uncertain or tentative taxa are in small text; crossed out taxa are discredited.

Dinosaurs

Sauropods

Sauropods of the Chuanjie Formation
Genus Species Location Stratigraphic position Material Notes Image
Analong[4] A. chuanjieensis Quarry 1, Lao Chang Qing Aalenian to Bajocian A mamenchisaurid sauropod
Chuanjiesaurus[5][1][6] C. anaensis Quarry 1, Lao Chang Qing Aalenian to Bajocian "Partial postcranial skeleton". A mamenchisaurid sauropod

Theropods

Theropods of the Chuanjie Formation
Genus Species Location Stratigraphic position Material Notes Image
Shidaisaurus[7] S. jinae Quarry 1, Lao Chang Qing Aalenian "Partial postcranial skeleton". A metriacanthosaurine metriacanthosaurid

Turtles

Turtles of the Chuanjie Formation
Genus Species Location Stratigraphic position Material Notes Image
Xinjiangchelys[8][9] X. oshanensis Quarry 1, Lao Chang Qing Aalenian to Bajocian A xinjiangchelyid turtle

Fish

Cartilaginous Fish

Cartilaginous Fish of the Chuanjie Formation
Genus Species Location Stratigraphic position Material Notes Image
Hybodus[10] H. chuanjieensis Quarry 1, Lao Chang Qing Aalenian to Bajocian A hybodontid hybodont
H. xinzhuangensis

See also

  • List of dinosaur-bearing rock formations

References

  1. ↑ 1.0 1.1 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. ↑ Xin-Xin Ren; Toru Sekiya; Tao Wang; Zhi-Wen Yang; Hai-Lu You (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 33 (9): 1872–1887. doi:10.1080/08912963.2020.1747450. 
  5. ↑ Fang, Pang, Lü, Zhang, Pan, Wang, Li, and Cheng. 2000. Lower, Middle and Upper Jurassic divisions of the Lufeng region of Yunnan Province. Pp. 208-214 in: Proceedings of the Third National Stratigraphical Conference of China. Geological Publishing House, Beijing.
  6. ↑ "Table 13.1," in Weishampel, et al. (2004). Page 261.
  7. ↑ Wu X.; Currie, P.J.; Dong Z.; Pan S.; Tang W. (2009). "A New Theropod Dinosaur from the Middle Jurassic of Lufeng, Yunnan, China". Acta Geologica Sinica 83 (1): 9–24. doi:10.1111/j.1755-6724.2009.00002.x. Bibcode: 2009AcGlS..83....9W. 
  8. ↑ Wu X.; Currie, P.J.; Dong Z.; Pan S.; Tang W. (2009). "A New Theropod Dinosaur from the Middle Jurassic of Lufeng, Yunnan, China". Acta Geologica Sinica 83 (1): 9–24. doi:10.1111/j.1755-6724.2009.00002.x. Bibcode: 2009AcGlS..83....9W. 
  9. ↑ Tong et al., 2015
  10. ↑ Baidong Sun; Wei Wang; Junping Liu; Donghu Song; Boye Lü; Yunfei Xu; Lu Wang (2018). "New fossil materials of Hybodus (Chondrichthyes) in the Middle Jurassic found in Chuanjie Basin of central Yunnan Province". Geological Bulletin of China 37 (11): 1991–1996. http://dzhtb.cgs.cn/gbc/ch/reader/view_abstract.aspx?file_no=20181104&flag=1. 

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, doi:10.1080/10420940.2017.1366904, ISSN 1042-0940, Bibcode: 2019Ichno..26....8X 
  • 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 et al. (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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