Xinlong Formation

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Xinlong Formation
Stratigraphic range: ?Aptian-Albian
~120–100 Ma
TypeGeological formation
Lithology
PrimarySandstone, mudstone
OtherConglomerate, marl
Location
Coordinates22°36′N 107°54′E / 22.6°N 107.9°E / 22.6; 107.9Coordinates: 22°36′N 107°54′E / 22.6°N 107.9°E / 22.6; 107.9
Approximate paleocoordinates23°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)

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 P. kwangshiensis Several teeth, fragmentary tibia, fragmentary fibula Indeterminate theropod
Siamosaurus[9] Indeterminate, possibly S. fusuiensis[9] Four teeth Spinosaurid originally known as "Sinopliosaurus" fusuiensis[10] "Sinopliosaurus" fusuiensis by PaleoGeek.png
Color key
Taxon Reclassified taxon Taxon falsely reported as present Dubious taxon or junior synonym Ichnotaxon Ootaxon Morphotaxon
Notes
Uncertain or tentative taxa are in small text; crossed out taxa are discredited.

See also[]

References[]

  1. ^ Mo, Jinyou; Buffetaut, Eric; Tong, Haiyan; Amiot, Romain; Cavin, Lionel; Cuny, Gilles; Suteethorn, Varavudh; Suteethorn, Suravech; Jiang, Shan (2015-07-02). "Early Cretaceous vertebrates from the Xinlong Formation of Guangxi (southern China): a review". Geological Magazine. 153 (1): 143–159. doi:10.1017/S0016756815000394. ISSN 0016-7568. S2CID 130076340.
  2. ^ Xinlong Formation at Fossilworks.org
  3. ^ Weishampel, et al. (2004). "Dinosaur distribution." Pp. 517-607.
  4. ^ a b Hou, L.H.; Yeh, H.K.; Zhao, X.J. (1975). "Fossil reptiles from Fusui, Kwangshi" (PDF). Vertebrata PalAsiatica. 13 (1): 24–33.
  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. ^ a b 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. ^ a b 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. ^ a b Ji S, Zhang P (2021). "First new genus and new species of basal iguanodontian dinosaur (Ornithischia: Ornithopoda) from southern China". Acta Geoscientica Sinica. in press.
  9. ^ a b Buffetaut, Eric; Suteethorn, Varavudh; Tong, Haiyan; Amiot, Romain (2008-09-01). "An Early Cretaceous spinosaurid from southern China". Geological Magazine. 145 (5): 745–748. Bibcode:2008GeoM..145..745B. doi:10.1017/S0016756808005360. S2CID 129921019.
  10. ^ Hou, L., Yeh, H. and Zhao, X. (1975). Fossil reptiles from Fusui, Kwangshi. Vertebrata PalAsiatica 13; 24-33

Bibliography[]

  • Weishampel, David B.; Peter Dodson, and Halszka Osmólska (eds.). 2004. The Dinosauria, 2nd edition, 1–880. Berkeley: University of California Press. ISBN 0-520-24209-2
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