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 ~ | |
| 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) | |
Fossil content
editDinosaurs
edit| 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
edit- Fossil eggs
References
edit- ^ Liangtoutang Formation at Fossilworks.org
- ^ Zheng et al., 2012
- ^ Zheng, 2018
- ^ a b Jin et al., 2007
- ^ Lawver et al., 2016
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