Earth:Xinlong Formation
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| Xinlong Formation Stratigraphic range: ?Aptian-Albian ~120–100 Ma | |
|---|---|
| Type | Geological formation |
| Lithology | |
| Primary | Sandstone, mudstone |
| Other | Conglomerate, marl |
| Location | |
| Coordinates | [ ⚑ ] : 22°36′N 107°54′E / 22.6°N 107.9°E |
| Paleocoordinates | [ ⚑ ] 23°12′N 116°06′E / 23.2°N 116.1°E |
| Region | Guangxi |
| Country | China |
  Xinlong Formation (China)  Xinlong Formation (Guangxi) | |
The Xinlong Formation (sometimes called the "Napai Formation", or misspelt as "Napan Formation"[1]) is an Early Cretaceous geologic formation in Guangxi, southern China.[2]
Dinosaur remains diagnostic to the genus level are among the fossils that have been recovered from the formation.[3]
Fossil content
Color key
|
Notes Uncertain or tentative taxa are in small text; |
Dinosaurs
Ornithischians
| Ornithischians of the Xinlong Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
| Napaisaurus[4] | N. guangxiensis[4] | Right ilium and ischium | A styracosternan iguanodontian | |||
| Psittacosauridae? Indet.[4] | Indeterminate | Several different taxa of possible Psittacosaurid classification. | ||||
Sauropods
| Sauropods of the Alcântara Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
| Asiatosaurus[5] | A. kwangshiensis[5] | Teeth, three cervical vertebrae and ribs | An indeterminate sauropod. | |||
| Fusuisaurus[6] | F. zhaoi[6] | Partial pelvis and caudal vertebrae | A titanosauriform sauropod | |||
| Liubangosaurus[7] | L. hei[7] | Fifth to ninth dorsal vertebrae | A euhelopodid somphospondylian | |||
Theropods
| Theropods of the Xinlong Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
| Datanglong[8] | D. guangxiensis | Last dorsal (back) vertebra (according to the descriptors the fourteenth), continues over the five sacral vertebrae, and ends with the second tail vertebra. The sacrum is attached to a left ilium with the upper parts of the left pubic bone and the left ischium, and one piece of the right ilium | A tetanuran theropod | |||
| Prodeinodon[9] | P. kwangshiensis | Several teeth, fragmentary tibia, fragmentary fibula | An indeterminate theropod. | |||
| Siamosaurus[10] | Indeterminate, possibly S. fusuiensis[10] | Four teeth | A spinosaurid theropod; originally known as "Sinopliosaurus" fusuiensis[11] | 
| ||
See also
- List of dinosaur-bearing rock formations
- List of stratigraphic units with few dinosaur genera
References
- ↑ Mo, Jinyou; Buffetaut, Eric; Tong, Haiyan; Amiot, Romain; Cavin, Lionel; Cuny, Gilles; Suteethorn, Varavudh; Suteethorn, Suravech et al. (2015-07-02). "Early Cretaceous vertebrates from the Xinlong Formation of Guangxi (southern China): a review" (in en). Geological Magazine 153 (1): 143–159. doi:10.1017/S0016756815000394. ISSN 0016-7568.
- ↑ Xinlong Formation at Fossilworks.org
- ↑ Weishampel, et al. (2004). "Dinosaur distribution." Pp. 517-607.
- ↑ 4.0 4.1 4.2 "First new genus and new species of basal iguanodontian dinosaur (Ornithischia: Ornithopoda) from southern China". Acta Geoscientica Sinica. 2021. https://r.cnki.net/kcms/detail/detail.aspx?filename=DQXB20210907001&dbcode=GXGT_CJFD&dbname=CAPJLAST&v=.
- ↑ 5.0 5.1 Hou, L.H.; Yeh, H.K.; Zhao, X.J. (1975). "Fossil reptiles from Fusui, Kwangshi". Vertebrata PalAsiatica 13 (1): 24–33. http://www.ivpp.cas.cn/cbw/gjzdwxb/xbwzxz/200905/W020090813377415269178.pdf.
- ↑ 6.0 6.1 Jinyou, MO; Wei, Wang; Zhitao, Huang; Xin, Huang; Xing, XU (2010). "A Basal Titanosauriform from the Early Cretaceous of Guangxi, China". Acta Geologica Sinica (English Edition) 80 (4): 486–489. doi:10.1111/j.1755-6724.2006.tb00267.x.
- ↑ 7.0 7.1 Mo Jinyou, Xu Xing and Eric Buffetaut (2010). "A New Eusauropod Dinosaur from the Lower Cretaceous of Guangxi Province, Southern China". Acta Geologica Sinica (English Edition) 84 (6): 1328–1335. doi:10.1111/j.1755-6724.2010.00331.x. Bibcode: 2010AcGlS..84.1328M.
- ↑ Mo, Jinyou; Zhou, Fusheng; Li, Guangning; Huang, Zhen; Cao, Chenyun (2014). "A new Carcharodontosauria (Theropoda) from the Early Cretaceous of Guangxi, Southern China". Acta Geologica Sinica (English Edition) 88 (4): 1051–1059. doi:10.1111/1755-6724.12272. Bibcode: 2014AcGlS..88.1051M.
- ↑ Spencer G. Lucas, ed (1998). Lower and Middle Cretaceous Terrestrial Ecosystems: Bulletin 14. New Mexico Museum of Natural History and Science. p. 6. https://books.google.com/books?id=yF4fCgAAQBAJ&q=stegosauridaePA6. Retrieved 2022-08-26.
- ↑ 10.0 10.1 Buffetaut, Eric; Suteethorn, Varavudh; Tong, Haiyan; Amiot, Romain (2008-09-01). "An Early Cretaceous spinosaurid from southern China". Geological Magazine 145 (5): 745–748. doi:10.1017/S0016756808005360. Bibcode: 2008GeoM..145..745B. https://www.researchgate.net/publication/231786472.
- ↑ Hou, L., Yeh, H. and Zhao, X. (1975). Fossil reptiles from Fusui, Kwangshi. Vertebrata PalAsiatica 13; 24-33
Bibliography
- Weishampel, David B., ed (2004). The Dinosauria (2nd ed.). Berkeley: University of California Press. ISBN 0-520-24209-2. https://books.google.com/books?id=vtZFDb_iw40C. Retrieved 2019-02-21.
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