Species: mongoliensis SERENO, 2000
Etymology: Latinized form of Mongolia, where the specimen was found.
= Microceratops gobiensis MARYANSKA & OSMOLSKA, 1975

Holotype: ZPAL MgDI/.156

Locality: Shireegiin Gashuun (Sheergeen Gashoon), Bayanhongor, Mongolia.

Horizon: Shireegiin Gashuun (Sheeregeen Gashoon) Formation.

Biostratigraphy:

Age: Cenomanian-Turonian Stage, Uppermidde-Upper Gallic Subepoch, Lower Gulf Epoch, Middle-Late Cretaceous.

Material: Damaged skull, including posterior portion of jugals, quadrates, quadrate wings of pterygoids, quadratojugals, fragments of ectopterygoids, fragment of maxilla containing 3 teeth, basioccipital, fragment of exoccipital, posterior part of parietosquamosal frill, mandibles lacking predentary and splenial but containing 3 dentary teeth, postcranial skeleton including 23 vertebrae (nearly all with damaged neural arches) among which are 4 posterior cervicals, 12 dorsals and 7 sacrals, right scapula, proximal part of left scapula, left coracoid, right humerus, radius and fragmentary ulna, proximal and distal extremities of left humerus, proximal parts of both pubes, fragments of both ilia, and fragment of right ischium, right femur, tibia and nearly complete pes, distal part of left tibia, fragmentary left pes, tarsals, ribs.