Contents

Lianmuqin Formation

Lianmuqin Formation
Stratigraphic range: Aptian–Albian[1] PreꞒ Ꞓ O S D C P T J K Pg N
Type	Geological formation
Unit of	Tugulu Group
Underlies	Donggou & Kumutake Formations
Overlies	Shengjinkou Formation
Thickness	213–360 m (699–1,181 ft)
Lithology
Primary	Mudstone, siltstone
Location
Coordinates	46°00′N 85°48′E / 46.0°N 85.8°E / 46.0; 85.8
Approximate paleocoordinates	45°00′N 81°54′E / 45.0°N 81.9°E / 45.0; 81.9
Region	Xinjiang
Country	China
Extent	Junggar Basin
Type section
Named for	Lianmuqin
Lianmuqin Formation (Dzungaria)

The Lianmuqin Formation,^[2] also transcribed as Lianmugin Formation,^[3] and Lianmuxin Formation,^[4] is an Early Cretaceous geologic formation composed of "interbedded red green and yellow variegated mudstones and siltstones".^[5][6] Dinosaur remains have been recovered from it.^[7]

The formation is named after Lianmuqin TowninShanshan County, Xinjiang.

Vertebrate paleofauna[edit]

Dinosaurs[edit]

Dinosaurs of the Lianmuqin Formation
Genus	Species	Location	Stratigraphic position	Material	Notes	Images
Asiatosaurus[8]	A. mongoliensis[8]	NW Junggar Basin
Kelmayisaurus[8][9]	K. petrolicus[8]	NW Junggar Basin		"Maxilla and dentary."[10]
Xinjiangovenator	X. parvus	NW Junggar Basin		"Tibia [and] phalanges."[11]	Formerly thought to be a representative of Phaedrolosaurus ilikensis.[8]
Phaedrolosaurus	P. ilikensis	NW Junggar Basin		"tooth"[12]
Psittacosaurus[8]	P. xinjiangensis[8]	NW Junggar Basin
Tugulusaurus[8]	T. faciles[8]	NW Junggar Basin		"Hindlimb, rib, [and a] vertebral centrum."[13]
Wuerhosaurus[8]	W. homheni[8]	NW Junggar Basin		"Partial skeleton."[14]

Pterosaurs[edit]

Pterosaurs of the Lianmuqin Formation
Genus	Species	Location	Stratigraphic position	Abundance	Notes	Images
Dsungaripteridae indet.[15]	indeterminate[15]	Southern Junggar Basin			Not referable to LonchognathosaurusorDsungaripterus; likely a new taxon.[15]
Dsungaripterus	D. weii[16]	NW Junggar Basin
Noripterus	N. complicidens[17]	NW Junggar Basin
Lonchognathosaurus	L. acutirostris[17]	Southern Junggar Basin			Possible junior synonym of Dsungaripterus weii.[18]

Plesiosaurs[edit]

Crurotarsans[edit]

Turtles[edit]

See also[edit]

• List of dinosaur-bearing rock formations
  • List of stratigraphic units with few dinosaur genera

References[edit]

Bibliography[edit]

• 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.