Species: verzilini NESOV & KHOZATZKY, 1977
Etymology:

Holotype:

Locality: Kylodzhun (Sarykungoi Creek) Locality, south-eastern Ferghana, Kirghizia (Kyrgyzstan).

Horizon: Alamyshyk Formation.

Biostratigraphy:

Age: Upper Albian Stage, Middle Gallic Epoch, Uppermost Early Cretaceous Epoch, Early Cretaceous.

Material:
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Species: itemirensis NESOV, 1981
Etymology: In reference to the Itemir locality, Central Kizylkukm Desert, Uzbekistan.

Holotype:

Locality: Itemir locality, Central Kizylkukm Desert, Uzbekistan.

Horizon: Kulbecke Beds.

Biostratigraphy:

Age: Albian Stage? Middle Gallic Subepoch, Uppermost Early Cretaceous Epoch,-Cenomanian Stage, Middle Gallic Subepoch, Lowermost Gulf Epoch, Early Cretaceous.

Material: Complete shell.