Species: kozlowskii SULIMISKI, 1975
Etymology: In honor of my (Sulimiski) teacher, Prof. Roman Kozlowski.

Holotype: ZPAL MgR=III/24

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

Horizon: Barun Goyot Formation, = Red Beds of Khermeen Tsav.

Biostratigraphy:

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

Material: Skull with lower jaws.

Referred material:

GAO & NORELL, 2000

IGM 3/136 (MAE 256/92-23): Incomplete skull with mandibles and partial postcranial skeleton.

IGM 3/137 (MAE 267/92-35): Partial skull.

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Species: tereschenkoi ALIFANOV, 2000
Etymology:

Holotype: PIN 4487/1

Locality:

Horizon:

Biostratigraphy:

Age:

Material: Fragmentary skull and dentary.