Genus: Bolong WU, GODEFROIT & HU, 2010
Etymology: In honor of the Chinese brothers Bo Hai-chen and Bo Xue, and Chinese, long, "dragon."
Species: yixianensis WU, GODEFROIT & HU, 2010
Etymology: In honor of the city of Yixian, Liaoning Province, China, where the specimen is housed and displayed.
Locality: Western Liaoning Province, China.
Horizon: Yixian Formation.
Age: Early Cretaceous.
Material: Fagmentary skull.
ZHENG, JIN, SHIBATA & AZUMA, 2014
Locality: Xitaizhi Village, Shantou Town, Ningcheng County, Nei Mongol Autonomous Region, China.
Horizon: Lower part of the yixian Formation.
Age: Lower Cretaceous.
ZMNH M8812: Skull and skeleton of an early juvenile specimen.