Genus: Achillobator PERLE, A, NORELL, M., & J. CLARK, 1999
Etymology: Latin, achillis, "known," tendo-calcareous, and Mongolian hero, Bator.

Species: giganticus PERLE, A, NORELL, M., & J. CLARK, 1999
Etymology:

Holotype: FR.MNUFR-15

Locality: Burkhat, Dorno Gobi Aimak, Sain Shand, Mongolia.

Horizon: Shireh Formation.

Biostratigraphy:

Age: Early Cenomanian Stage, Uppermiddle Gallic Subepoch/Late Santonian Stage, Lower Senonian Subepoch, Gulf Epoch, Late Early to Early Middle Cretaceous.

Material: Left maxilla, left femur, left tibia, left metatarsals III and IV, right ilium, pubis, ischium, isolated phalanges of the pes and fore limbs, some teeth fragments, several isolated caudal vertebrae and rib fragments.