Species: mengi NESOV, 1992
Holotype: PO 4602
Locality: Site CBI-52, of Dzhyrakuduk, (10 meters above the main level of site CBI-14), Novi District, Bukhara Province, Uzbekistan.
Horizon: Upper part of the Bissekty Formation.
Age: Coniacian Stage, Lower Senonian Subepoch, Lower Gulf Epoch, Late Cretaceous.
Material: 3 synsacra and other fragments.
PO 4622: 2 anterior sacaral vertebrae.
PO 4623: Cranial portion of a synsacrum.