Bayin-Gobi Formation
Stratigraphic range:
TypeGeological formation
Unit ofYin-E Basin
UnderliesSuhongtu Formation
OverliesPermian metamorphic basement
Thickness100-2120 m
Lithology
PrimaryMudstone, Siltstone, Conglomerate
OtherSandstone
Location
RegionAsia
Country China
ExtentInner Mongolia

The Bayin-Gobi Formation (simplified Chinese: 巴音戈壁组; traditional Chinese: 巴音戈壁組; pinyin: Bāyīn Gēbì Zǔ) (also known as Bayan Gobi, or Bayingebi Formation) is a geological formation in Inner Mongolia, north China, whose strata date back to Albian of the Early Cretaceous period. Dinosaur remains are among the fossils that have been recovered from the formation.

Paleobiota of the Bayin-Gobi Formation

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

Genus Species Location Stratigraphic Position Material Notes Images
Alxasaurus A. elesitaiensis Elesitai Village "Partial skeletons of several specimens."[1] A therizinosauroid.
Bannykus B. wulatensis Chaoge "Partial and articulated skeleton lacking skull."[2] An alvarezsauroid.
Bayannurosaurus B. perfectus Chulumiao Middle section of the Upper half of the Bayingebi Formation "Nearly complete and semi-articulated skeleton."[3] A large ankylopollexian.
Dromaeosauridae indet. Indeterminate Balongwula "Partial hindlimbs, isolated manual ungual, and ribs."[4] A dromaeosaurid, possibly a microraptorine.
Penelopognathus P. weishampeli Qiriga Village "Isolated right dentary."[5] A hadrosauroid.
Psittacosaurus P. gobiensis Suhongtu "Skull and skeletons of multiple specimens."[6] A ceratopsian.

See also

References

  1. ↑ Russell, D. A.; Dong, Z. (1993). "The affinities of a new theropod from the Alxa Desert, Inner Mongolia, People's Republic of China". Canadian Journal of Earth Sciences. 30 (10): 2107−2127. Bibcode:1993CaJES..30.2107R. doi:10.1139/e93-183.
  2. ↑ Xu, Xing; Choiniere, Jonah; Tan, Qingwei; Benson, Roger B.J; Clark, James; Sullivan, Corwin; Zhao, Qi; Han, Fenglu; Ma, Qingyu; He, Yiming; Wang, Shuo; Xing, Hai; Tan, Lin (2018). "Two Early Cretaceous Fossils Document Transitional Stages in Alvarezsaurian Dinosaur Evolution". Current Biology. 28 (17): 2853–2860. doi:10.1016/j.cub.2018.07.057. PMID 30146153.
  3. ↑ Xu, Xing; Tan, Qingwei; Gao, Yilong; Bao, Zhiqiang; Yin, Zhigang; Guo, Bin; Wang, Junyou; Tan, Lin; Zhang, Yuguang; Xing, Hai (2018). "A large-sized basal ankylopollexian from East Asia, shedding light on early biogeographic history of Iguanodontia". Science Bulletin. 63 (9): 556–563. Bibcode:2018SciBu..63..556X. doi:10.1016/j.scib.2018.03.016. PMID 36658842. S2CID 104031324.
  4. ↑ Pittman, M.; Pei, R.; Tan, Q.; Xu, X. (2015). "The first dromaeosaurid (Dinosauria: Theropoda) from the Lower Cretaceous Bayan Gobi Formation of Nei Mongol, China". PeerJ. 3: e1480. doi:10.7717/peerj.1480. PMC 4675113. PMID 26664809.
  5. ↑ Godefroit, P.; Li, H.; Shang, C.-Y. (2005). "A new primitive hadrosauroid dinosaur from the Early Cretaceous of Inner Mongolia (P.R. China)". Comptes Rendus Palevol. 4 (8): 697–705. Bibcode:2005CRPal...4..697G. doi:10.1016/j.crpv.2005.07.004.
  6. ↑ Sereno, P. C.; Xijin, Z.; Lin, T. (2009). "A new psittacosaur from Inner Mongolia and the parrot-like structure and function of the psittacosaur skull". Proceedings of the Royal Society B. 277 (1679): 199–209. doi:10.1098/rspb.2009.0691. PMC 2842669. PMID 19535376.

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