Species: chulsanensis (SULIMSKI, 1975) ALIFANOV, 2000
Etymology: From Khulsan, Ömnögov (South Gobi), Mongolia, the name of the locality.
= Macrocephalosaurus chulsanensis SULIMSKI, 1975
= Naranasaurus chulsanensis MARYNANSKA & OSMOLSKA, 1985
= Gilmoreteius chulsanensis (SULIMSKI, 1975) LANGER, 1998

Holotype: ZPAL MgR-I/14

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

Horizon: Barun Goyot Formation.

Biostratigraphy:

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

Material: Complete skull with the postcranial skeleton.

Referred material:

ZPAL MgR-I/25: Almost complete skull with postcranial skeleton.

ZPAL MgR-I/15: Skull without the left maxilla, lower jaws and the postcranial skeleton.

ZPAL MgR-I/16: The occipital fragment of the skull without lower jaw.

ZPAL MgR-I/17: Anterior part of the skull together with fragments of lower jaw.

ZPAL MgR-I/18: Anterior part of the postcranial skeleton with shoulder girdle.

ZPAL MgR-I/20: Strongly deformed skull of a young specimen.

ZPAL MgR-I/22: Fragment of postcranial skeleton with its pelvic girdle, caudals showing autonomy and parts of hind limbs.

ZPAL MgR-I/23: Almost complete pelvic girdle.

ZPAL MgR-I/24: Skull with right lower jaw, a fragment of the left jaw and part of the postcranial skeleton of a juvenile.

ZPAL MgR-I/26: Brain case slightly damaged.

ZPAL MgR-I/27: Skull.

ZPAL MgR-I/28: Anterior part of the skull with no dorsal roofing bones.

ZPAL MgR-I/29: A fragment of right lower jaw with teeth.

ZPAL MgR-I/30: A fragment of right lower jaw without teeth.

ZPAL MgR-I/31: Anterior fragment of lower jaws with teeth, joint in symphysis.

 

GAO & NORELL, 2000

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

Horizon: Barun Goyot Formation.

Biostratigraphy:

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

Material:

IGM 3/134 (MAE 215/92-47): Incomplete skull with mandibles.