Mongolostegus

Mongolostegus; Temporal range: ; Early Cretaceous,
	Life restoration
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Clade:	Dinosauria
Clade:	†Ornithischia
Clade:	†Thyreophora
Clade:	†Stegosauria
Family:	†Stegosauridae
Genus:	†Mongolostegus; Tumanova and Alifanov, 2018
Type species
	†Mongolostegus exspectabilis; Tumanova and Alifanov, 2018
Synonyms
	Wuerhosaurus mongoliensis Ulansky, 2014;

Mongolostegus (meaning "Mongolian roof") is a genus of stegosaur from the Early Cretaceous (Aptian-Albian) Dzunbain Formation of Mongolia. The type and only species is M. exspectabilis,^[1] known from a single specimen previously under the nomen nudum Wuerhosaurus mongoliensis.^[2]

Mongolostegus is one of the youngest known stegosaurs, along with Stegosaurus,^[3] Yanbeilong,^[4] and an unnamed species from the Dzunbain Formation.^[1]

^ ^a ^b T. A. Tumanova & V. R. Alifanov. (2018). First Record of Stegosaur (Ornithischia, Dinosauria) from the Aptian-Albian of Mongolia. Paleontological Journal 52(14) DOI: https://doi.org/10.1134/S0031030118140186 https://link.springer.com/article/10.1134/S0031030118140186
^ Cite error: The named reference ulansky14 was invoked but never defined (see the help page).
^ Li, Ning; Li, Daqing; Peng, Guangzhao; You, Hailu (2024). "The first stegosaurian dinosaur from Gansu Province, China". Cretaceous Research. 158: 105852. Bibcode:2024CrRes.15805852L. doi:10.1016/j.cretres.2024.105852.
^ Jia, Lei; Li, Ning; Dong, Liyang; Shi, Jianru; Kang, Zhishuai; Wang, Suozhu; Xu, Shichao; You, Hailu (2024-01-31). "A new stegosaur from the late Early Cretaceous of Zuoyun, Shanxi Province, China". Historical Biology: 1–10. doi:10.1080/08912963.2024.2308214. ISSN 0891-2963.