Genus: Bolong WU, GODEFROIT & HU, 2010
Etymology:

Species: yixianensis WU, GODEFROIT & HU, 2010
Etymology:

Holotype: YHZ-001

Locality: Western Liaoning Province, China.

Horizon: Yixian Formation.

Biostratigraphy:

Age: Early Cretaceous.

Material: Fagmentary skull.

Referred material:

ZHENG, JIN, SHIBATA & AZUMA, 2014

Locality: Xitaizhi Village, Shantou Town, Ningcheng County, Nei Mongol Autonomous Region, China.

Horizon: Lower part of the yixian Formation.

Biostratigraphy:

Age: Lower Cretaceous.

Material:

ZMNH M8812: Skull and skeleton of an early juvenile specimen.