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[edit]
- 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[edit]
References[edit]
- ^ 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
Bibliography[edit]
- Tan, Q.-W.; H. Xing; Y.-G. Hu; L. Tan, and X. Xing. 2015. New hadrosauroid material from the Upper Cretaceous Majiacun Formation of Hubei Province, central China. Vertebrata PalAsiatica 53. 245–264. .
- Zheng, W.; X. Jin, and X. Xu. 2015. A psittacosaurid-like basal neoceratopsian from the Upper Cretaceous of central China and its implications for basal ceratopsian evolution. Scientific Reports 5. 14190:1–9. .
- Xu, H.; D. Wang; F. Han; C. Sullivan; Q. Ma; Y. He; D. W. E. Hone; R. Yan, and F. Du. 2014. A New Basal Hadrosauroid Dinosaur (Dinosauria: Ornithopoda) with Transitional Features from the Late Cretaceous of Henan Province, China. PLoS ONE 9(6). e98821. . PMC 4047018 doi:10.1371/journal.pone.0098821 PMID 24901454
- Hone, .; . Xu, and . Wang. 2010. A probable baryonychine (Theropoda: Spinosauridae) tooth from the Upper Cretaceous of Henan Province, China. Vertebrata PalAsiatica 48. 19–26. .
- Lü, J.; L. Xu; Y. Liu; X. Zhang; S. Jia, and Q. Ji. 2010. A new troodontid theropod from the Late Cretaceous of central China, and the radiation of Asian troodontids. Acta Palaeontologica Polonica 55. 381–388. .
- Xu, X.; D.-Y. Wang; C. Sullivan; D. W. E. Hone; F.-L. Han; R.-H. Yan, and F.-M. Du. 2010. A basal parvicursorine (Theropoda: Alvarezsauridae) from the Upper Cretaceous of China. Zootaxa 2413. 1–19. .
- Liang, X.; S. Wen; D. Yang; S. Zhou, and S. Wu. 2009. Dinosaur eggs and dinosaur egg-bearing deposits (Upper Cretaceous) of Henan Province, China: Occurrences, palaeoenvironments, taphonomy and preservation. Progress in Natural Science 19. 1587–1601. .
- Zhou, S.-q., and Z.-j. Feng. 2002. Studies on the occurrence beds of Oölithus and their relations to the upper-lower boundaries in Henan province. Resources Survey & Environment 23. 68–76. .
- Zhao, Z. 1979. Discovery of the dinosaurian eggs and footprint from Neixiang county, Henan province. Vertebrata PalAsiatica 17. 304–309. .