Xinlong Formation

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; 107.9
Approximate paleocoordinates23°12′N 116°06′E / 23.2°N 116.1°E / 23.2; 116.1
RegionGuangxi
CountryChina
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") is an Early Cretaceous geologic formation in Guangxi, southern China.

Dinosaur remains diagnostic to the genus level are among the fossils that have been recovered from the formation.

Fossil content

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.

Dinosaurs

Ornithischians

Ornithischians of the Xinlong Formation
Genus Species Location Stratigraphic position Material Notes Images
Napaisaurus N. guangxiensis Right ilium and ischium A styracosternan iguanodontian
Psittacosauridae? Indet. Indeterminate Several different taxa of possible Psittacosaurid classification.

Sauropods

Sauropods of the Alcântara Formation
Genus Species Location Stratigraphic position Material Notes Images
Asiatosaurus A. kwangshiensis Teeth, three cervical vertebrae and ribs An indeterminate sauropod.
Fusuisaurus F. zhaoi Partial pelvis and caudal vertebrae A titanosauriform sauropod
Liubangosaurus L. hei Fifth to ninth dorsal vertebrae A euhelopodid somphospondylian

Theropods

Theropods of the Xinlong Formation
Genus Species Location Stratigraphic position Material Notes Images
Datanglong 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 P. kwangshiensis Several teeth, fragmentary tibia, fragmentary fibula An indeterminate theropod.
Siamosaurus Indeterminate, possibly S. fusuiensis Four teeth A spinosaurid theropod; originally known as "Sinopliosaurus" fusuiensis

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 3 Ji S, Zhang P (2021). "First new genus and new species of basal iguanodontian dinosaur (Ornithischia: Ornithopoda) from southern China". Acta Geoscientica Sinica.
  5. 1 2 Hou, L.H.; Yeh, H.K.; Zhao, X.J. (1975). "Fossil reptiles from Fusui, Kwangshi" (PDF). Vertebrata PalAsiatica. 13 (1): 24–33.
  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. ↑ 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.
  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