Genus: Altanteius ALIFANOV, 1993
Etymology: From Altan-Ula Range, western Ömnögov (South Gobi), Mongolia + Teius.

Species: facilis ALIFANOV, 1993
Etymology:

Holotype: N 3142/306

Locality: Hermiin Tsav (Khermeen Tsav), western Ömnögov (South Gobi), Mongolia.

Horizon: Barun Goyot Formation.

Biostratigraphy:

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

Material: Fragmentary skull and dentary.