Dapuka Group

Dapuka Group
Dapuka Group
Stratigraphic range: Middle Jurassic, 174.70–161.53 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Type	Geological formation
Underlies	Dayer Formation
Overlies	Kenzuoga Formation
Area	Tibet Autonomous Region
Thickness	Up to 1,187 metres (3,894 ft)
Lithology
Primary	Sandstone and mudstone
Other	Siltstone and shale
Location
Country	China
Extent	Chando, Chaya County, and Leiniaoqi
Type section
Named for	Dapuka Village
Named by	Zhao Xijin (1985)

The Dapuka Group, also known as the Dabuka Group and was previously listed as the Dapuka Formation, is a geological formation in the Tibet Autonomous Region, China. It dates back to the Middle Jurassic.^[3]^[1]

Vertebrate fauna

Dinosaurs of the Dapuka Group
Taxa	Presence	Description	Images
Genus: Lancanjiangosaurus^[3] Lancanjiangosaurus cachuensis.^[3]	Geographically located in Xinjiang Uyghur Autonomous Region, China.^[3]
Genus: Ngexisaurus^[3] N. dapukaensis.^[3]	Geographically located in Xinjiang Uyghur Autonomous Region, China.^[3]
Infraorder: Sauropoda^[3] Unnamed genus.^[3]	Geographically located in Xinjiang Uyghur Autonomous Region, China.^[3]
Infraorder: Stegosauria^[3] Possible unnamed stegosaur.^[3]	Geographically located in Xinjiang Uyghur Autonomous Region, China.^[3]

1 2 3 "Dapuka Fm". Chinalex. Retrieved 10 January 2026.
1 2 Zhao, X. (1985). [The Jurassic Reptilia]. [The Jurassic System of China. Stratigraphy of China, No. 11] 286–290.
1 2 3 4 5 6 7 8 9 10 11 12 13 Weishampel, David B; et al. (2004). "Dinosaur distribution (Middle Jurassic, Asia)." In: Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. Pp. 541–542. ISBN 0-520-24209-2.