Species: surgayi NESOV, 1981
Etymology:

Holotype: ZIN PHA K77-3

Locality: Site CBI-4, Dzhyrakuduk, North of Kulbecke Spring, Central Kyzylkum Desert, Uzbekistan.

Horizon: Middle part of the Bissekty Formation.

Biostratigraphy:

Age: Coniacian Stage, lower Senonian subepoch, Middle Gulf Epoch, Early Cretaceous.

Material: Left maxilla.

Referred material:

NESOV, 1995

Locality: Site CDZH-17a, Dzhyrkuduk, central Kyzulkum Desert, Uzbekistan.

Horizon: Lower Part of the Bissekty Formation, (formerly Taykarshi Beds).

Biostratigraphy:

Age: Late Turonian Stage, Subepoch Gallic Subepoch, Lower Early Cretaceous Epoch, Late Cretaceous.

Material:

No. 104/12177: Atlas.