Bayin-Gobi Formation

The Bayin-Gobi Formation (simplified Chinese: 巴音戈壁组; traditional Chinese: 巴音戈壁組; pinyin: Bāyīn Gēbì Zǔ) (also known as Bayan Gobi, or Bayingebi Formation) is a geological formation in Inner Mongolia, north China, whose strata date back to Albian of the Early Cretaceous period. Dinosaur remains are among the fossils that have been recovered from the formation.

Bayin-Gobi Formation
Stratigraphic range: Albian PreꞒ Ꞓ O S D C P T J K Pg N
Type	Geological formation
Unit of	Yin-E Basin
Underlies	Suhongtu Formation
Overlies	Permian metamorphic basement
Thickness	100-2120 m
Lithology
Primary	Mudstone, Siltstone, Conglomerate
Other	Sandstone
Location
Region	Asia
Country	China
Extent	Inner Mongolia

Paleobiota of the Bayin-Gobi Formation

Color key Taxon Reclassified taxon Taxon falsely reported as present Dubious taxon or junior synonym Ichnotaxon Ootaxon Morphotaxon		Notes Uncertain or tentative taxa are in small text; crossed out taxa are discredited.

Dinosaurs

Genus	Species	Location	Stratigraphic Position	Material	Notes	Images
Alxasaurus	A. elesitaiensis	Elesitai Village		"Partial skeletons of several specimens."[1]	A therizinosauroid.
Bannykus	B. wulatensis	Chaoge		"Partial and articulated skeleton lacking skull."[2]	An alvarezsauroid.
Bayannurosaurus	B. perfectus	Chulumiao	Middle section of the Upper half of the Bayingebi Formation	"Nearly complete and semi-articulated skeleton."[3]	A large ankylopollexian.
Dromaeosauridae indet.	Indeterminate	Balongwula		"Partial hindlimbs, isolated manual ungual, and ribs."[4]	A dromaeosaurid, possibly a microraptorine.
Penelopognathus	P. weishampeli	Qiriga Village		"Isolated right dentary."[5]	A hadrosauroid.
Psittacosaurus	P. gobiensis	Suhongtu		"Skull and skeletons of multiple specimens."[6]	A ceratopsian.

See also

• Earth sciences portal
• Paleontology portal
• Dinosaurs portal

• List of dinosaur-bearing rock formations