Species: venusta BORSUK-BIALYNICKA 1988
Etymology:

Holotype: ZPAL MgR-III/40

Locality: Hermiin Tsav (Khermeen Tsav), 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: Slightly damaged skull with both mandibles and some cervical vertebrae.

Referred material:

ZPAL MgR-III/41: Slightly damaged skull with mandibles.

ZPAL MgR-III/43: Distorted skull with mandibles, right jugal and supratemporal arcade missing.

ZPAL MgR-III/36: Skull with left mandible and a part of the right one, right jugal and supratemporal arcade missing, the total of 8 cervical and thoracic vertebrae and fragments of shoulder girdle and limb bones associated with the skull.

GAO & NORELL, 2000

IGM 3/165-3/167 (MAE 173/92-21, 172/92-21, 183/92-21): Incomplete skulls with mandibles.

 

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

Horizon: Djadochta Formation.

Biostratigraphy:

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

Material:

ZPAL MgR-I/45: Complete but poorly preserved skull with mandibles.

ZPAL MgR-I/46: Damaged skull, mainly brain case and snout.

ZPAL MgR-I/48: Parietal part of skull with brain case, posterior part of pterygoids and first cervical vertebrae.

ZPAL MgR-I/49: Damaged skull with mandibles.

ZPAL MgR-I/51: Fragmentary skull with anterior part of the palate perfectly preserved and 2 mandibles.

ZPAL MgR-I/55: Damaged skull with mandibles.

ZPAL MgR-I/118: Skull with mandibles, snout and left mandible damaged.

ZPAL MgR-I/50: Fragment of a skull of a juvenile.

ZPAL MgR-I/71: Skull with right side strongly damaged, right mandible is missing.

GAO & NORELL, 2000

IGM 3/164 (MAE 217/92-61): Nearly complete skull with mandibles.

 

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

Horizon: Barun Goyot Formation.

Biostratigraphy:

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

Material:

ZPAL MgRI/47: Skull with mandibles, strongly damaged posterior and dorsal part.

 

Locality: Bayan Zag (= Bayn Dzak, Shabarakh Usu GILMORE, 1943), Ömnögov (South Gobi), Mongolia.

Horizon: Djadochta Formation.

Biostratigraphy:

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

Material:

ZPAL MgR-II/55: Posterior part of skull and mandibles.

B. Small Specimens.

ZPAL MgR-II/26: Damaged skull with mandibles.

ZPAL MgR-II/42: Damaged skull with mandibles.

ZPAL MgR-II/53: Damaged skull with mandibles of a juvenile.

 

GAO & NORELL, 2000

Locality: Ukhaa Tolgod, northeastern Nemegt Basin, near the salt extraction settlement of Daus, Ömnögov (South Gobi), Mongolia.

Horizon: Djadochta Formation or the Barun Goyot Formation.

Biostratigraphy:

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

Material:

IGM 3/160 (MAE 95-89): Nearly complete skull with mandibles.

IGM 3/161-3/163 (MAE 21/93-176, 95-24, 95-40): Incomplete skulls with mandibles.