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The Quantou Formation is a Cretaceous Period (Mesozoic Era) geologic formation in China. It is primarily Albian in age.[1] It has been explored for its potential as a tight oil reservoir.[2][3]

Dinosaur remains are among the fossils that have been recovered from the formation.[4]

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 Quantou Formation
Genus Species Location Stratigraphic position Material Notes Image
Changchunsaurus[5] C. parvus A thescelosaurid ornithischian
Helioceratops[6] H. brachygnathus A neoceratopsian

Saurischians

Saurischians of the Quantou Formation
Genus Species Location Stratigraphic position Material Notes Image
Dromaeosauridae indet.[7] Indeterminate A large dromaeosaurid theropod
Jiutaisaurus[8] J. xidiensis A titanosauriform sauropod

Mammals

Mammals of the Quantou Formation
Genus Species Location Stratigraphic position Material Notes Image
Gobiconodon[9] G. gongzhulingensis A gobiconodontid eutriconodont
Zhangolestes[10] Z. jilinensis A zalambdalestid eutherian

Oofossils

Oofossils of the Quantou Formation
Genus Species Location Stratigraphic position Material Notes Image
Jilinoolithus[11] J. lamellotestus Likely laid by non-avian maniraptoran theropod

See also

Footnotes

  1. ^ WANG, Guodong; CHENG, Rihui; WANG, Pujun; GAO, Youfeng; WANG, Chengshan; REN, Yanguang; HUANG, Qinghua (March 2009). “Description of Cretaceous Sedimentary Sequence of the Quantou Formation Recovered by CCSD-SK-Is Borehole in Songliao Basin: Lithostratigraphy, Sedimentary Facies and Cyclic Stratigraphy”. Earth Science Frontiers. 16 (2): 324–338. Bibcode:2009ESF….16..324W. doi:10.1016/s1872-5791(08)60078-0. ISSN 1872-5791.
  2. ^ Xi, Kelai; Cao, Yingchang; Haile, Beyene Girma; Zhu, Rukai; Jahren, Jens; Bjørlykke, Knut; Zhang, Xiangxiang; Hellevang, Helge (September 2016). “How does the pore-throat size control the reservoir quality and oiliness of tight sandstones? The case of the Lower Cretaceous Quantou Formation in the southern Songliao Basin, China”. Marine and Petroleum Geology. 76: 1–15. Bibcode:2016MarPG..76….1X. doi:10.1016/j.marpetgeo.2016.05.001. ISSN 0264-8172.
  3. ^ Xi, Kelai; Cao, Yingchang; Jahren, Jens; Zhu, Rukai; Bjørlykke, Knut; Haile, Beyene Girma; Zheng, Lijing; Hellevang, Helge (December 2015). “Diagenesis and reservoir quality of the Lower Cretaceous Quantou Formation tight sandstones in the southern Songliao Basin, China”. Sedimentary Geology. 330: 90–107. Bibcode:2015SedG..330…90X. doi:10.1016/j.sedgeo.2015.10.007. ISSN 0037-0738.
  4. ^ Weishampel, et al. (2004). “Dinosaur distribution.” Pp. 517-607.
  5. ^ Zan S.-Q.; Chen J.; Jin L.-Y.; Li T. (2005). “A primitive ornithopod from the Early Cretaceous Quantou Formation of central Jilin, China”. Vertebrata PalAsiatica. 43: 182–193. doi:10.19615/j.cnki.1000-3118.2005.03.003.
  6. ^ Jin, L.; Chen, J.; Zan, S.; Godefroit, P. (2009). “A new basal neoceratopsian dinosaur from the Middle Cretaceous of Jilin Province, China”. Acta Geologica Sinica (English Edition). 83 (2): 200–206. Bibcode:2009AcGlS..83..200J. doi:10.1111/j.1755-6724.2009.00023.x. S2CID 129656123.
  7. ^ Yang, L.; Li, X.; Chen, J.; Reisz, R. R. (2023). “First Discovery of Large-bodied Dromaeosaurid Fossil Materials (Dinosauria: Theropoda) from the Upper Cretaceous Quantou Formation, Songliao Basin, Northeast China”. Cretaceous Research. 153 105711. 105711. doi:10.1016/j.cretres.2023.105711. S2CID 262181571.
  8. ^ Wu, W.-H.; Dong, Z.-M.; Sun, Y.-W.; Li, C.-T.; Li, T. (2006). “A New Sauropod Dinosaur from the Cretaceous of Jiutai, Jilin, China”. Global Geology. 25 (1): 6–9.
  9. ^ Wu, W.; Mao, F.; Chen, J.; Meng, J. (2026). “A new gobiconodontid mammal from Upper Cretaceous of China and reassessment of dentition in Gobiconodon“. Acta Palaeontologica Polonica. 71 (2): 193–210. doi:10.4202/app.01313.2025.
  10. ^ Chen, J.; Mao, F.; Wu, W.; Meng, J. (2025). “New Material of the Zalambdalestid Zhangolestes (Mammalia, Zalambdalestidae) from the Late Cretaceous Changchunsaurus Fauna of Jilin, China”. Acta Geologica Sinica (English Edition). 99 (3): 634–645. Bibcode:2025AcGlS..99..634C. doi:10.1111/1755-6724.15307.
  11. ^ Wang, L.; Chen, J.; Li, X.; Wu, W.; Reisz, R. (2026). “First Discovery of Maniraptoran Egg from the Upper Cretaceous Quantou Formation (Cenomanian), Songliao Basin, Northeast China”. Cretaceous Research 106389. doi:10.1016/j.cretres.2026.106389.

Bibliography

  • Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. 861 pp. ISBN 0-520-24209-2.