Species: sharvoi EFIMOV, 1976
Etymology:

Holotype: PIN 2585/1

Locality: Aulie, near Mikhailovka, in the Chayan area, Karatau ridge in the Chimkent district of southern Kazakhstan.

Horizon: Intermontae lake, Karabastauian suite, Karabastau Formation.

Biostratigraphy:

Age: Oxfordian/Kimmeridgian Stage, Lower-Middle Malm Epoch, Late Jurassic.

Material: Skull and almost complete skeleton.