Qingshan Group

The Qingshan Group (simplified Chinese: 青山组; traditional Chinese: 青山組; pinyin: Qīngshān Zǔ) is a geological group in Shandong, China, whose strata date back to the Barremian to Albian stages of the Early Cretaceous. The group contains the Doushan Formation.^[1] Dinosaur remains are among the fossils that have been recovered from the formation.^[2]

Qingshan Group
Stratigraphic range: Barremian-Albian ~129–101 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Type	Geological group
Sub-units	Doushan Formation
Lithology
Primary	Claystone, mudstone, sandstone
Other	Tuff
Location
Coordinates	37.0°N 120.7°E / 37.0; 120.7
Approximate paleocoordinates	41.4°N 119.5°E / 41.4; 119.5
Region	Shandong
Country	China
Qingshan Group (China) Show map of China Qingshan Group (Shandong) Show map of Shandong

Fossil content

The following fossils were reported from the Doushan Formation:

• Pachygenys thlastesa^[3]
• Psittacosaurus sinensis^[2][4] - "More than [twenty] individuals,[five] complete skulls, [three] articulated skeletons."^[5]
• P. youngi^[2] "Partial skeleton with skull."^[5]
• Possible indeterminate dsungaripterid pterosaur remains^[4][6]
• Indeterminate titanosaur remains^[2][7]

See also

• List of dinosaur-bearing rock formations