Dalangshan Formation

Dalangshan Formation
Stratigraphic range: Maastrichtian PreꞒ Ꞓ O S D C P T J K Pg N
Type	Geological formation
Underlies	Shenzhuangcun Formation
Overlies	Sanshui Formation
Thickness	69-517 metres
Lithology
Primary	Sandstone, Mudstone
Location
Coordinates	23°10′38″N 112°50′21″E / 23.1771°N 112.8392°E / 23.1771; 112.8392
Region	Sanshui District, Guangdong Province
Country	China
Extent	Sanshui Basin
Dalangshan Formation (China)

The Dalangshan Formation (simplified Chinese: 大塱山组; traditional Chinese: 大塱山組; pinyin: Dàlǎngshān Zǔ), also referred to as the Dalangshan Group is a geological formation in the Sanshui District of Guangdong Province, China, the strata of which date back to the Late Cretaceous period.

Dinosaur remains are among the fossils that have been recovered from the formation.^[1]

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 Dalangshan Formation
Genus	Species	Location	Stratigraphic position	Material	Notes	Images
Lambeosaurini Indet.[2]	Indeterminate			Partial skeleton.	A lambeosaurine hadrosaurid

Theropods

Theropods of the Dalangshan Formation
Genus	Species	Location	Stratigraphic position	Material	Notes	Images
Heyuannia[3]	H. huangi			Partial skull and skeleton.	A heyuanniine oviraptorid
Tyrannosauroidea Indet.[4]	Indeterminate			Dental remains.

See also

• List of dinosaur-bearing rock formations
• Nanxiong Formation

References

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, Berkeley: University of California Press. Pp. 593-600. ISBN 0-520-24209-2.
2. Wang, Donghao; Xing, Lida; Mallon, Jordan C.; Miyashita, Tetsuto; Liang, Zaoqun; Zhang, Xianqiu; Ren, Zheng; Liang, Zhicong; Xian, Minyi (24 January 2025). "First occurrence of the duck-billed dinosaur tribe Lambeosaurini (Hadrosauridae: Lambeosaurinae) in South China". Historical Biology: 1–13. doi:10.1080/08912963.2025.2454652.
3. "Table 8.1," in Weishampel, et al. (2004). Page 167
4. Xing, Lida; Liang, Zaoqun; Zhang, Ke; Wang, Donghao; Zhang, Xianqiu; Persons, W. Scott; Ren, Zheng; Liang, Zhicong; Xian, Minyi; Zeng, Qiang (1 September 2024). "Large theropod teeth from the Upper Cretaceous of Guangdong Province, Southern China". Cretaceous Research. 161: 105914. doi:10.1016/j.cretres.2024.105914.