Nanchao Formation

Nanchao Formation
Stratigraphic range: Santonian-Campanian ~85–75 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Type	Geological formation
Location
Coordinates	32.5°N 112.4°E / 32.5; 112.4
Approximate paleocoordinates	30.8°N 102.4°E / 30.8; 102.4
Region	Henan
Country	China
Extent	Nanyang Valley, Lingbao Basin
Nanchao Formation (China) Show map of China Nanchao Formation (Henan) Show map of Henan

The Nanchao Formation is a Late Cretaceous geologic formation in China. Fossil ornithopod tracks have been reported from the formation.^[1] Embryos of therizinosaurs are known from the formation^[2]

See also

• List of dinosaur-bearing rock formations
  • List of stratigraphic units with ornithischian tracks
    • Ornithopod tracks

References

1. Weishampel, et al. (2004). "Dinosaur distribution." Pp. 517-607.
2. Kundrát, Martin; Cruickshank, Arthur R. I.; Manning, Terry W.; Nudds, John (2007-10-29). "Embryos of therizinosauroid theropods from the Upper Cretaceous of China: diagnosis and analysis of ossification patterns: Therizinosauroid embryos from China". Acta Zoologica. 89 (3): 231–251. doi:10.1111/j.1463-6395.2007.00311.x.

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.