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
China edcp relief location map.jpg
Green pog.svg
Xinlong Formation (China)
China Guangxi rel location map.svg
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

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