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Lianmuqin Formation

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(Redirected from Lianmugin Formation) Geological formation in Xinjiang, China
Lianmuqin Formation
Stratigraphic range: Aptian–Albian PreꞒ Ꞓ O S D C P T J K Pg N
TypeGeological formation
Unit ofTugulu Group
UnderliesDonggou & Kumutake Formations
OverliesShengjinkou Formation
Thickness213–360 m (699–1,181 ft)
Lithology
PrimaryMudstone, siltstone
Location
Coordinates46°00′N 85°48′E / 46.0°N 85.8°E / 46.0; 85.8
Approximate paleocoordinates45°00′N 81°54′E / 45.0°N 81.9°E / 45.0; 81.9
RegionXinjiang
Country China
ExtentJunggar Basin
Type section
Named forLianmuqin
Lianmuqin Formation is located in DzungariaLianmuqin FormationLianmuqin Formation (Dzungaria)

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

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

Vertebrate paleofauna

Dinosaurs

Dinosaurs of the Lianmuqin Formation
Genus Species Location Stratigraphic position Material Notes Images
Asiatosaurus A. mongoliensis NW Junggar Basin
Kelmayisaurus K. petrolicus NW Junggar Basin "Maxilla and dentary."
Xinjiangovenator X. parvus NW Junggar Basin "Tibia phalanges." Formerly thought to be a representative of Phaedrolosaurus ilikensis.
Phaedrolosaurus P. ilikensis NW Junggar Basin "tooth"
Psittacosaurus P. xinjiangensis NW Junggar Basin
Tugulusaurus T. faciles NW Junggar Basin "Hindlimb, rib, vertebral centrum."
Wuerhosaurus W. homheni NW Junggar Basin "Partial skeleton."

Pterosaurs

Pterosaurs of the Lianmuqin Formation
Genus Species Location Stratigraphic position Abundance Notes Images
Dsungaripteridae indet. indeterminate Southern Junggar Basin Not referable to Lonchognathosaurus or Dsungaripterus; likely a new taxon.
Dsungaripterus D. weii NW Junggar Basin
Dsungaripterus and Noripterus
Noripterus N. complicidens NW Junggar Basin
Lonchognathosaurus L. acutirostris Southern Junggar Basin Possible junior synonym of Dsungaripterus weii.

Plesiosaurs

Name Species Location Stratigraphic position Abundance Notes Images
Sinopliosaurus S. weiyuanensis NW Junggar Basin Three vertebrae and a tooth. Dubious genus of plesiosaur.

Crurotarsans

Name Species Location Stratigraphic position Abundance Notes Images
Edentosuchus E. tienshanensis NW Junggar Basin

Turtles

Name Species Location Stratigraphic position Abundance Notes Images
Dracochelys D. bicuspis Southern Junggar Basin
Ordosemys O. brinkmania NW Junggar Basin
Wuguia W. efremovi Southern Junggar Basin
Xinjiangchelys X. sp. NW Junggar Basin
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. Alexander O. Averianov; Stepan V. Ivantsov; Sergey V. Leshchinskiy; Pavel P.Skutschas (12 April 2022). "First pterosaur bone from the Lower Cretaceous of Siberia, Russia". Cretaceous Research. 135: 105230. Bibcode:2022CrRes.13705230A. doi:10.1016/j.cretres.2022.105230. S2CID 248136173. Retrieved 13 April 2022.
  2. "Re: Kelmayisaurus a carcharodontosaurid". dml.cmnh.org. Retrieved 2015-01-05.
  3. Lianmugin Formation at Fossilworks.org
  4. I. G. Danilov, J. F. Parham (2007). "The type series of "Sinemys" wuerhoensis, a problematic turtle from the Lower Cretaceous of China, includes at least three taxa". Palaeontology. 50 (2): 431. Bibcode:2007Palgy..50..431D. doi:10.1111/j.1475-4983.2006.00632.x.
  5. Lucas, Spencer G, Chinese Fossil vertebrates, Pp. 158-159, New York, Columbia University Press, ISBN 0-231-08483-8.
  6. Lucas, S.G. (2001). Chinese Fossil Vertebrates. Columbia University Press. p. 158. ISBN 9780231084833. Retrieved 2015-01-05.
  7. Weishampel et al., 2004, pp.517-607
  8. ^ "48.5 Xinjiang Uygur Zizhiqu, People's Republic of China; 1. Tugulu Group," in Weishampel, et al. (2004). Page 567.
  9. "A reassessment of Kelmayisaurus petrolicus, a large theropod dinosaur from the Early Cretaceous of China" (PDF). Acta Palaeontologica Polonica (Preprint). Archived from the original (PDF) on 2011-05-22. Retrieved 2011-04-28.
  10. "Table 4.1," in Weishampel, et al. (2004). Page 73.
  11. "Table 4.1," in Weishampel, et al. (2004). Page 78.
  12. Z.-M. Dong. (1973). . Memoirs of the Institute of Vertebrate Paleontology and Paleoanthropology, Academic Sinica 11:45-52.
  13. "Table 4.1," in Weishampel, et al. (2004). Page 77.
  14. "Table 16.1," in Weishampel, et al. (2004). Page 345.
  15. ^ Augustin FJ, Matzke AT, Maisch MW, Csiki-Sava Z (2021). "Pterosaur remains from the Lower Cretaceous Lianmuxin Formation (upper Tugulu Group) of the southern Junggar Basin (NW China)". Historical Biology: An International Journal of Paleobiology. 34 (2): 312–321. doi:10.1080/08912963.2021.1910819. S2CID 233597623.
  16. "Re: The timing of stegosaur extinction". dml.cmnh.org. Archived from the original on 2016-03-03. Retrieved 2015-01-05.
  17. ^ 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.
  18. 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. Bibcode:2010JVPal..30..163A. doi:10.1080/02724630903409220. S2CID 53688256.
  19. C.-C. Young. (1944). On the reptilian remains from Weiyuan, Szechuan, China. Bulletin of the Geological Society of China 24(3–4):187-205
  20. Z. Dong. (1973). . Reports of Paleontological Expedition to Sinkiang (II): Pterosaurian Fauna from Wuerho, Sinkiang. Memoirs of the Institute of Vertebrate Paleontology and Paleoanthropology, Academia Sinica 11:1-7
  21. 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.
  22. ^ Zheng, Daran; Chang, Su-Chin; Ramezani, Jahandar; Xu, Xing; Xu, Honghe; Wang, He; Pei, Rui; Fang, Yanan; Wang, Jun; Wang, Bo; Zhang, Haichun (2023-05-10). "Calibrating the Early Cretaceous Urho Pterosaur Fauna in Junggar Basin and implications for the evolution of the Jehol Biota". Geological Society of America Bulletin. doi:10.1130/b36795.1. ISSN 0016-7606.

Bibliography

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