Majiacun Formation
| Majiacun Formation | |
|---|---|
| Stratigraphic range: late Coniacian-late Santonian ~ | |
 Location | |
| Type | Geological formation |
| Sub-units | Unit 2 |
| Underlies | Sigou Formation |
| Overlies | Gaogou Formation |
| Lithology | |
| Primary | Mudstone, siltstone |
| Other | Sandstone, conglomerate |
| Location | |
| Coordinates | 33°12′N 111°48′E / 33.2°N 111.8°E |
| Approximate paleocoordinates | 33°12′N 104°18′E / 33.2°N 104.3°E |
| Region | Henan, Hubei |
| Country |  China |
| Extent | Xixia Basin |
  Majiacun Formation (China)  Majiacun Formation (Henan) | |
The Majiacun Formation is a Santonian to Coniacian geologic formation in China.[1] Dinosaur remains are among the fossils that have been recovered from the formation.
Paleofauna
- Bactrosaurus[2] (remains originally known as Bakesaurus)[3][4]
- Mosaiceratops azumai[5]
- Xixiasaurus henanensis[6]
- Xixianykus zhangi[7]
- Yunxianosaurus hubeinensis[8][3]
- Zhanghenglong yangchengensis[9]
- Baryonychinae indet.? (possibly an indeterminate theropod due to no shared synapomorphies present)[10]
- Fossil eggs
- Dendroolithus sanlimiaoensis[11]
- Prismatoolithus gebiensis[12]
- Ovaloolithus sp.[13]
- Spheroolithus sp.[11][13]
- Nanyangosaurus zhugeii[13]
- Youngoolithus xiaguanensis[13]
- Ichnofossils
See also
References
- ^ Majiacun Formation at Fossilworks.org
- ^ Li, Z. (2001). "Distribution, burying and classification of dinosaur fossils in Upper Cretaceous strata at Meipu Town, Yunxian County of Hubei Province". Hubei Geology & Mineral Resources. 15 (4): 25–31.
- ^ a b Zhou, S.Q.D. (2005). The Dinosaur Egg Fossils in Nanyang, China. China University of Geosciences Press. pp. 1–145. ISBN 978-7-562-52033-7.
- ^ Harris, Jerry D., 2006. "New Dinosaurs?"
- ^ Zheng et al., 2015
- ^ Lü et al., 2010
- ^ Xu et al., 2010
- ^ Li, Zhengqi. (2001). Distribution, burying and classification of dinosaur fossils in Upper Cretaceous strata at Meipu Town, Yunxian County of Hubei Province. Hubei Geology & Mineral Resources, 15(4)(Total No 37): 25-31. [1]
- ^ Xing et al., 2014
- ^ Hone et al., 2010
- ^ a b c Zhou & Feng, 2002
- ^ Liang et al., 2009
- ^ a b c d Zhao, 1979