Holotype: BMNH PH00181
Locality: West valley (locality 1), ~450 m west of the north part of Jingangkou Village, Laiyang County, Shandong (Shantung) Province, China.
Horizon: Jingangkou Formation (upper Hongtuya Formation ), Wangshi Series.
Age: ?Late Campanian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.
Material: 9 coossified sacral vertebrae and ilium.