Genus: Tsaagan NORELL, CLARK, TURNER, MAKOVICKY, BARSBOLD & ROWE, 2006
Etymology: Mongolian, tsaagan, "white."

Species: mangas NORELL, CLARK, TURNER, MAKOVICKY, BARSBOLD & ROWE, 2006
Etymology: Mongolian, mangas, "monster."

Holotype: IGM 100/1015

Locality: Xanadu Sublocality, Ukhaa Tolgod, near the salt extraction settlement of Daus, northeastern Nemegt Basin, Gurvan Tes Somon, Ömnögov (South Gobi), Mongolia.

Horizon: Djadokhta Formation or the Barun Goyot Formation.

Biostratigraphy:

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

Material: Skull and mandible and anterior 8 cervicals.

Tsaagan mangas (after TURNER, MAKOVICKY, & NORELL, 2012), Holotype: IGM 100/1015).