Xinlong Formation

Last updated
Xinlong Formation
Stratigraphic range: ?Aptian-Albian
~120–100  Ma
Type Geological formation
Lithology
Primary Sandstone, mudstone
Other Conglomerate, marl
Location
Coordinates 22°36′N107°54′E / 22.6°N 107.9°E / 22.6; 107.9
Approximate paleocoordinates 23°12′N116°06′E / 23.2°N 116.1°E / 23.2; 116.1
Region Guangxi
Country China
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Xinlong Formation (China)
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Green pog.svg
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]

Contents

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
GenusSpeciesLocationStratigraphic positionMaterialNotesImages
Asiatosaurus [4] A. kwangshiensis [4] Teeth, three cervical vertebrae and ribsIndeterminate sauropod
Datanglong [5] D. guangxiensisLast 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 iliumA Carcharodontosaurid
Fusuisaurus [6] F. zhaoi [6] Partial pelvis and caudal vertebraeA titanosauriform
Liubangosaurus [7] L. hei [7] Fifth to ninth dorsal vertebraeAn eusauropod
Napaisaurus [8] N. guangxiensis [8] Right ilium and ischiumAn iguanodontian
Prodeinodon [9] P. kwangshiensisSeveral teeth, fragmentary tibia, fragmentary fibulaIndeterminate theropod
Psittacosauridae? [8] IndeterminateSeveral 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
Color key
Taxon Reclassified taxonTaxon falsely reported as presentDubious 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. 1 2 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. Bibcode:2014AcGlS..88.1051M. doi: 10.1111/1755-6724.12272 . S2CID   129386301.
  6. 1 2 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. S2CID   129846744.
  7. 1 2 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. Bibcode:2010AcGlS..84.1328M. doi:10.1111/j.1755-6724.2010.00331.x. S2CID   140687733.
  8. 1 2 3 Ji S, Zhang P (2021). "First new genus and new species of basal iguanodontian dinosaur (Ornithischia: Ornithopoda) from southern China". Acta Geoscientica Sinica.
  9. Spencer G. Lucas; James I. Kirkland; John W. Estep, eds. (1998). Lower and Middle Cretaceous Terrestrial Ecosystems: Bulletin 14. New Mexico Museum of Natural History and Science. p. 6. Retrieved 2022-08-26.
  10. 1 2 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.
  11. Hou, L., Yeh, H. and Zhao, X. (1975). Fossil reptiles from Fusui, Kwangshi. Vertebrata PalAsiatica 13; 24-33

Bibliography