Huiquanpu Formation

The Huiquanpu Formation (simplified Chinese: 灰泉堡组; traditional Chinese: 灰泉堡組; pinyin: Huīquánpù Zǔ) is a geological formation in Shanxi and Hebei provinces, China, whose strata date back to the Late Cretaceous period. It predominantly consists of purple-red mudstone, with subordinate grey-white sandy conglomerates.^[2]

Huiquanpu Formation
Stratigraphic range: Late Cretaceous ~Campanian–Maastrichtian[1] PreꞒ Ꞓ O S D C P T J K Pg N
Type	Geological formation
Underlies	Middle Miocene basalt
Overlies	Archean gneiss basement
Thickness	Over 200 m (660 ft)
Lithology
Primary	Mudstone
Other	Conglomerate
Location
Coordinates	40.3°N 114.2°E / 40.3; 114.2
Approximate paleocoordinates	40.4°N 104.4°E / 40.4; 104.4
Region	Hebei & Shanxi Provinces
Country	China
Huiquanpu Formation (China) Show map of China Huiquanpu Formation (Shanxi) Show map of Shanxi

Dinosaur remains are among the fossils that have been recovered from the formation.^[3]

Fossil content

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

Ornithopods

Ornithopods of the Huiquanpu Formation
Genus	Species	Location	Stratigraphic position	Material	Notes	Images
Datonglong[4]	D. tianzhenensis			Lower jaw	A hadrosauroid ornithopod

Sauropods

Sauropods of the Huiquanpu Formation
Genus	Species	Location	Stratigraphic position	Material	Notes	Images
Huabeisaurus[5]	H. allocotus			Teeth and postcranial skeleton	A euhelopodid somphospondylan

Theropods

Theropods of the Huiquanpu Formation
Genus	Species	Location	Stratigraphic position	Material	Notes	Images
Jinbeisaurus[6]	J. wangi			Maxilla, dentary and fragmentary postcrania	A tyrannosauroid

Thyreophorans

Thyreophorans of the Huiquanpu Formation
Genus	Species	Location	Stratigraphic position	Material	Notes	Images
Shanxia[7]	S. tianzhenensis			Partial skeleton	An ankylosaurid
Tianzhenosaurus[8][9]	T. chengi			Skull and partial skeleton	An ankylosaurid
	T. youngi			Skull and partial skeleton

See also

• List of dinosaur-bearing rock formations