Genus: Mangasbaatar ROUGIER, SHETH, SPURLING, BOLORTSETSEG, & NOVACEK, 2016
Etymology: Mangas, transliteration from Mongolian: Mangas is a mythological monster of Mongolian folklore: baatar, tranliteration from the Mongolina for hero, a suffix commnly used to designate Mongolina multituberlates.

Species: udanii ROUGIER, SHETH, SPURLING, BOLORTSETSEG, & NOVACEK, 2016
Etymology: In reference to the locality Udan Sayr, Ömnögov (South Gobi), Mongolia, where the specimens were found. Udan: probably a corruption of the Mongolian Ulaan, meaning red,  red wash, or gulch, which describes the locality well.

Holotype: PSS-MAE 141

Locality: Udan Sayr, 85 km northwest of Bulgan-Somon, Umuni Gobi Aimak, Ömnögov (South Gobi), Mongolia.

Horizon: Similar to the Barun Goyot Formation.

Biostratigraphy:

Age: Middle-Late Campanian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material: An almost complete skull and jaws.

Referred material:

PSS-MAE 142: An incomplete skull and jaws associated wiht a fairly complete postcranium.