Liangtoutang Formation
(Redirected from Laijia Formation)
| Liangtoutang Formation | |
|---|---|
| Stratigraphic range: Albian-Cenomanian ~ | |
| Type | Geological formation |
| Unit of | Tiantai Group |
| Underlies | Chichengshan Formation |
| Overlies | Tangshang Formation |
| Thickness | About 300 m (980 ft) |
| Lithology | |
| Primary | Sandstone |
| Location | |
| Coordinates | 28°42′N 120°12′E / 28.7°N 120.2°E |
| Approximate paleocoordinates | 36°18′N 120°00′E / 36.3°N 120.0°E |
| Region | Zhejiang |
| Country |  China |
| Extent | Huzhen Basin |
  Liangtoutang Formation (China)  Liangtoutang Formation (Zhejiang) | |
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.
Fossil content
[edit]Color key
|
Notes Uncertain or tentative taxa are in small text; |
Dinosaurs
[edit]Ankylosaurs
[edit]| Ankylosaurs of the Liangtoutang Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
| Jinyunpelta[2] | J. sinensis | "An almost complete skull" and two partial postcranial skeletons | A ankylosaurine ankylosaurind | |||
Ornithopods
[edit]| Ornithopods of the Liangtoutang Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
| Yueosaurus[3] | Y. tiantaiensis | "Partial postcranial skeleton" | A thescelosaurine thescelosaurid | |||
Eggs
[edit]| Eggs of the Liangtoutang Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
| Macroelongatoolithus | M. xixiaensis | |||||
| Pachycorioolithus | P. jinyunensis | |||||
| Testudoolithus | T. jiangi | |||||
References
[edit]- ^ Liangtoutang Formation at Fossilworks.org
- ^ Wenjie Zheng; Xingsheng Jin; Yoichi Azuma; Qiongying Wang; Kazunori Miyata; Xing Xu (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.
- ^ Zheng, Wenjie; Xingsheng Jin; Masateru Shibata; Yoichi Azuma & Fangming Yu (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.
Bibliography
[edit]- 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