DONG, 1992

Locality: Erenhot, Inner Mongolia (Nei Mongolia), China..

Horizon: Iren Dabasu Formation.

Biostratigraphy:

Age: Cenomanian Stage, Upper Gallic Subepoch, Lowermost Gulf Epoch, Middle Cretaceous.

Material:

Number: Not given: Teeth.

Locality: Bayan Mandahu, Urad Houqi, Inner Mongolia (Nei Mongolia), China.

Horizon: Djadochta Formation.

Biostratigraphy:

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

Material:

Number: Not given: Several partial skeletons of juveniles and teeth.

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MARYANSKA & OSMOLSKA, 1975

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

Horizon: Khermeen Tsav Formation.

Biostratigraphy:

Age: Late Cretaceous.

Material:

Number: Not given:

Locality: Khulsan, Nemegt basin, Ömnögov (South Gobi), Mongolia.

Horizon: Barun Goyot Formation.

Biostratigraphy:

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

Material:

Number: Not given:

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RYAN, 1997

Locality: Republic of Kazakhstan..

Horizon: “Syuksyuk” Formation.

Biostratigraphy:

Age: Late Cretaceous.

Material:

Number: Not given: