Liangtoutang Formation

(Redirected from Laijia Formation)

The Liangtoutang Formation, also referred to as the Laijia Formation is a geological formation located in Zhejiang, China. Its strata date back to the Albian to Cenomanian stages of the Cretaceous period, between 105.9 and 96 million years ago.[1] The lithology primarily consists of red sandstone.

Liangtoutang Formation
Stratigraphic range: Albian-Cenomanian
~105.9–96 Ma
TypeGeological formation
Unit ofTiantai Group
UnderliesChichengshan Formation
OverliesTangshang Formation
ThicknessAbout 300 m (980 ft)
Lithology
PrimarySandstone
Location
Coordinates28°42′N 120°12′E / 28.7°N 120.2°E / 28.7; 120.2
Approximate paleocoordinates36°18′N 120°00′E / 36.3°N 120.0°E / 36.3; 120.0
RegionZhejiang
Country China
ExtentHuzhen Basin
Liangtoutang Formation is located in China
Liangtoutang Formation
Liangtoutang Formation (China)
Liangtoutang Formation is located in Zhejiang
Liangtoutang Formation
Liangtoutang Formation (Zhejiang)

Fossil content

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Dinosaurs

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Dinosaurs of the Liangtoutang Formation
Genus Species Material Notes Images
Yueosaurus Y. tiantaiensis "Partial postcranial skeleton"[2] A neornithischian
Jinyunpelta J. sinensis "An almost complete skull" and two partial postcranial skeletons[3] An ankylosaurin ankylosaur
 

Other fossils

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Fossil eggs

References

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  1. ^ Liangtoutang Formation at Fossilworks.org
  2. ^ Zheng et al., 2012
  3. ^ Zheng, 2018
  4. ^ a b Jin et al., 2007
  5. ^ Lawver et al., 2016

Bibliography

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  • Zheng, Wenjie; Jin, Xingsheng; Azuma, Yoichi; Wang, Qiongying; Miyata, Kazunori; Xu, Xing (2018), "The most basal ankylosaurine dinosaur from the Albian–Cenomanian of China, with implications for the evolution of the tail club", Scientific Reports, 8 (1): Article number 3711, Bibcode:2018NatSR...8.3711Z, doi:10.1038/s41598-018-21924-7, PMC 5829254, PMID 29487376
  • Lawver, D. R.; Jin, X.; Jackson, F. D.; Wang, Q. (2016), "An avian egg from the Lower Cretaceous (Albian) Liangtoutang Formation of Zhejiang Province, China", Journal of Vertebrate Paleontology, 36 (3): e1100631:1–7, Bibcode:2016JVPal..36E0631L, doi:10.1080/02724634.2016.1100631
  • Zheng, Wenjie; Jin, Xingsheng; Shibata, Masateru; Azuma, Yoichi; Yu, Fangming (2012), "A new ornithischian dinosaur from the Cretaceous Liangtoutang Formation of Tiantai, Zhejiang Province, China", Cretaceous Research, 34: 208–219, Bibcode:2012CrRes..34..208Z, doi:10.1016/j.cretres.2011.11.001
  • Jin, X.; Azuma, Y.; Jackson, F. D.; Varricchio, D. J. (2007), "Giant dinosaur eggs from the Tiantai basin, Zhejiang province, China", Canadian Journal of Earth Sciences, 44 (1): 81–88, Bibcode:2007CaJES..44...81J, doi:10.1139/e06-077