// Workers AI · dad joke modeWhat did the Yuliangze Formation say? "I'm a rock solid formation.

Yuliangze Formation
Yuliangze Formation
Stratigraphic range: Early - Late Maastrichtian; ~72–66 Ma PreꞒ Ꞓ O S D C P T J K Pg N B V H B Apt. Albian C T C S Cam. M
Type	Geological formation
Underlies	Taipinglinchang Formation
Location
Coordinates	48°54′N 130°12′E / 48.9°N 130.2°E
Approximate paleocoordinates	48°00′N 117°54′E / 48.0°N 117.9°E
Region	Heilongjiang
Country	China
Extent	Sunwu–Jiayin Basin
	Yuliangze Formation (China) Yuliangze Formation (Henan)

The Yuliangze Formation, or Yuliangzi Formation, is a geological formation in Heilongjiang, China, whose strata date back to the early-late Maastrichtian. Dinosaur remains are among the fossils that have been recovered from the formation.^[1]

Fossil content

Dinosaurs

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.

Ornithischians

Hadrosaurs

Hadrosaurs reported from the Yuliangze Formation
Taxon	Species	Location	Stratigraphic position	Material	Notes	Images
Charonosaurus	C. jiayinensis	Jiayin	Upper	"Partial skull and partial, fragmentary postcranial elements".^[2]	A parasaurolophin lambeosaurine
Mandschurosaurus	M. amurensis	Jiayin	Upper	A poorly preserved and incomplete skeleton.	A hadrosaurid hadrosaur of uncertain affinities.
Sahaliyania	S. elunchunorum	Wuluga	Upper	A partial skull along with the pectoral girdle, an upper arm, and a pelvis.	A lambeosaurin lambeosaurine; junior synonymous with Amurosaurus riabinini.
Saurolophus	S. kryschtofovici	Jiayin		A holotype specimen.	Dubious or synonymous with S. angustirostris.
Wulagasaurus	W. dongi	Wulaga	Upper	A right partial dentary.	A brachylophosaurin saurolophine

Theropods

Theropods reported from the Yuliangze Formation
Taxon	Species	Location	Stratigraphic position	Material	Notes	Images
Tyrannosauridae indet.	Indeterminate
Ornithomimosauria indet.	Indeterminate
Troodontidae Indet.	Indeterminate

References

↑ Weishampel, David B; et al. (2004). "Dinosaur distribution (Late Cretaceous, Asia)". In Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.), The Dinosauria, 2nd ed.. Berkeley: University of California Press. pp. 593–600. ISBN 0-520-24209-2
↑ "Table 20.1," in Weishampel, et al. (2004). Page 441.

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[cretaceousdistribution-1] Weishampel, David B; et al. (2004). "Dinosaur distribution (Late Cretaceous, Asia)". In Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.), The Dinosauria, 2nd ed.. Berkeley: University of California Press. pp. 593–600. ISBN 0-520-24209-2

[table-20-1-441-2] "Table 20.1," in Weishampel, et al. (2004). Page 441.

[1]

[2]