Lianmuqin Formation

The Lianmuqin Formation,[1] also transcribed as Lianmugin Formation,[2] is an Early Cretaceous geologic formation composed of "interbedded red green and yellow variegated mudstones and siltstones".[3][4] Dinosaur remains have been recovered from it.[5]

Lianmuqin Formation
Stratigraphic range: Valanginian-Albian
~140–100 Ma
TypeGeological formation
Unit ofTugulu Group
UnderliesDonggou & Kumutake Formations
OverliesShengjinkou Formation
Thickness213–360 m (699–1,181 ft)
Lithology
PrimaryMudstone, siltstone
Location
Coordinates46.0°N 85.8°E / 46.0; 85.8
Approximate paleocoordinates45.0°N 81.9°E / 45.0; 81.9
RegionXinjiang
Country China
ExtentJunggar Basin
Type section
Named forLianmuqin
Lianmuqin Formation (China)
Lianmuqin Formation (Xinjiang)

The formation is named after Lianmuqin Town in Shanshan County, Xinjiang.

Vertebrate paleofauna

Dinosaurs

Dinosaurs of the Lianmuqin Formation
GenusSpeciesLocationStratigraphic positionMaterialNotesImages
Asiatosaurus[6] A. mongoliensis[6]
Kelmayisaurus[6][7] K. petrolicus[6] "Maxilla and dentary."[8]
Xinjiangovenator X. parvus "Tibia [and] phalanges."[9] Formerly thought to be a representative of Phaedrolosaurus ilikensis.[6]
Phaedrolosaurus P. ilikensis "tooth"[10]
Psittacosaurus[6] P. xinjiangensis[6]
Tugulusaurus[6] T. faciles[6] "Hindlimb, rib, [and a] vertebral centrum."[11]
Wuerhosaurus[6] W. homheni[6] "Partial skeleton."[12]

Pterosaurs

Pterosaurs of the Lianmuqin Formation
GenusSpeciesLocationStratigraphic positionAbundanceNotesImages
Dsungaripterus D. weii[13]
Noripterus N. complicidens[14]
Lonchognathosaurus L. acutirostris[14] Possible junior synonym of Dsungaripterus weii.[15]

Crurotarsans

NameSpeciesLocationStratigraphic positionAbundanceNotesImages
Edentosuchus E. tienshanensis[16]
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.

See also

References

  1. "Re: Kelmayisaurus a carcharodontosaurid". dml.cmnh.org. Retrieved 2015-01-05.
  2. Lianmugin Formation at Fossilworks.org
  3. Lucas, Spencer G, Chinese Fossil vertebrates, Pp. 158-159, New York, Columbia University Press, ISBN 0-231-08483-8.
  4. Lucas, S.G. (2001). Chinese Fossil Vertebrates. Columbia University Press. p. 158. ISBN 9780231084833. Retrieved 2015-01-05.
  5. Weishampel et al., 2004, pp.517-607
  6. "48.5 Xinjiang Uygur Zizhiqu, People's Republic of China; 1. Tugulu Group," in Weishampel, et al. (2004). Page 567.
  7. http://www.app.pan.pl/archive/published/app56/app20100125_acc.pdf
  8. "Table 4.1," in Weishampel, et al. (2004). Page 73.
  9. "Table 4.1," in Weishampel, et al. (2004). Page 78.
  10. Z.-M. Dong. (1973). [Dinosaurs from Wuerho]. Memoirs of the Institute of Vertebrate Paleontology and Paleoanthropology, Academic Sinica 11:45-52. [Chinese]
  11. "Table 4.1," in Weishampel, et al. (2004). Page 77.
  12. "Table 16.1," in Weishampel, et al. (2004). Page 345.
  13. "Re: The timing of stegosaur extinction". dml.cmnh.org. Retrieved 2015-01-05.
  14. Barrett, P.M., Butler, R.J., Edwards, N.P., & Milner, A.R. Pterosaur distribution in time and space: an atlas. p61-107. in Flugsaurier: Pterosaur papers in honour of Peter Wellnhofer. 2008. Hone, D.W.E., and Buffetaut, E. (eds). Zitteliana B, 28. 264pp.
  15. Andres, B.; Clark, J. M.; Xing, X. (2010). "A new rhamphorhynchid pterosaur from the Upper Jurassic of Xinjiang, China, and the phylogenetic relationships of basal pterosaurs" (PDF). Journal of Vertebrate Paleontology. 30 (1): 163–187. doi:10.1080/02724630903409220. S2CID 53688256.
  16. Jinling Li (July 1985). "A revision of Edentosuchus tienshanensis Young from the Tugulu Group of Xinjiang Autonomous Region" (PDF). Vertebrata PalAsiatica. 23 (3): 196–206. Retrieved 2015-01-05.

Bibliography

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