Holotype:
Locality: Locality CBI-4, Dzhyrakuk, Kizylkum Desert, Uzbekistan.
Horizon: Bissekty Formation.
Biostratigraphy:
Age: Coniacian Stage, Lower Senonian Subepoch, Lower Gulf Epoch, Late Cretaceous.
Material: Synsacrum.
Note: The size of a cormorant.