Earth:Xinlong Formation

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Xinlong Formation
Stratigraphic range: ?Aptian-Albian
~120–100 Ma
TypeGeological formation
Lithology
PrimarySandstone, mudstone
OtherConglomerate, marl
Location
Coordinates [ ⚑ ] : 22°36′N 107°54′E / 22.6°N 107.9°E / 22.6; 107.9
Paleocoordinates [ ⚑ ] 23°12′N 116°06′E / 23.2°N 116.1°E / 23.2; 116.1
RegionGuangxi
Country China
Xinlong Formation is located in China
Xinlong Formation
Xinlong Formation (China)
Xinlong Formation is located in Guangxi
Xinlong Formation
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]

Vertebrate paleofauna

Dinosaurs

Dinosaurs of the Xinlong Formation
Genus Species Location Stratigraphic position Material Notes Images
Asiatosaurus[4] A. kwangshiensis[4] Teeth, three cervical vertebrae and ribs Indeterminate sauropod
Datanglong[5] 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 member of Carcharodontosauria
Fusuisaurus[6] F. zhaoi[6] Partial pelvis and caudal vertebrae A titanosauriform
Liubangosaurus[7] L. hei[7] Fifth to ninth dorsal vertebrae An eusauropod
Napaisaurus[8] N. guangxiensis[8] Right ilium and ischium An iguanodontian
Prodeinodon[9] P. kwangshiensis Several teeth, fragmentary tibia, fragmentary fibula Indeterminate theropod
Psittacosauridae?[8] Indeterminate Several different taxa of possible Psittacosaurid classification.
Siamosaurus[10] Indeterminate, possibly S. fusuiensis[10] Four teeth Spinosaurid originally known as "Sinopliosaurus" fusuiensis[11] "Sinopliosaurus" fusuiensis by PaleoGeek.png

See also

  • List of dinosaur-bearing rock formations
    • List of stratigraphic units with few dinosaur genera

References

  1. 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. 
  2. Xinlong Formation at Fossilworks.org
  3. Weishampel, et al. (2004). "Dinosaur distribution." Pp. 517-607.
  4. 4.0 4.1 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. 
  5. 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. 
  6. 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. 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. 
  8. 8.0 8.1 8.2 "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=. 
  9. 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. 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. Bibcode2008GeoM..145..745B. https://www.researchgate.net/publication/231786472. 
  11. Hou, L., Yeh, H. and Zhao, X. (1975). Fossil reptiles from Fusui, Kwangshi. Vertebrata PalAsiatica 13; 24-33

Bibliography