Tongfosi Formation

Tongfosi Formation
Stratigraphic range: Cenomanian ~99–94 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Type	Geological formation
Unit of	Yanji Group
Lithology
Primary	Sandstone
Location
Coordinates	42°54′N 129°12′E / 42.9°N 129.2°E / 42.9; 129.2
Approximate paleocoordinates	49°30′N 121°06′E / 49.5°N 121.1°E / 49.5; 121.1
Region	Jilin
Country	China
Tongfosi Formation (China) Show map of China Tongfosi Formation (Jilin) Show map of Jilin

The Tongfosi Formation is a Late Cretaceous (Cenomanian) geologic formation of the Yanji Group in China.^[1] Fossil ornithopod tracks of iguanodontids and theropods have been reported from the fluvial sandstones of the formation.^[2][3]

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

• Weishampel, David B.; Dodson, Peter; Osmólska, Halszka, eds. (2004). The Dinosauria (2nd ed.). Berkeley: University of California Press. pp. 1–880. ISBN 0-520-24209-2. Retrieved 2019-02-21.
• Matsukawa, M.; Futakami, M.; Lockley, M.G.; Peiji, C.; Jinhua, C.; Zhenyao, C.; Bolotsky, U.L. (1995). "Dinosaur footprints from the Lower Cretaceous of eastern Manchuria, northeastern China: implications for the recognition of an ornithopod ichnofacies in East Asia". PALAIOS. 10 (1): 3–15. Bibcode:1995Palai..10....3M. doi:10.2307/3515004. JSTOR 3515004.