Genus: Datanglong MO, ZHOU, LI, HUANG, & CAO, 2014
Etymology: Chinese pinyin, Datang, in reference to the fossil locality in Datang Town, and Dantang Basin, Guangxi Zhuan Autonomous Region, southern China and Chines (Mandarin/pinyin), long, "dragon."

Species: guangxiensis MO, ZHOU, LI, HUANG, & CAO, 2014
Etymology: In reference to the province of Guangxi Zhuan Autonomous Region, southern China.

Holotype: GMG 00001

Locality: Nazao village, approximatly 21 km southwest of Datang Town, Nanning city, Guangxi Zhuan Autonomous Region, southern China.

Horizon: Xinlong Formation.

Biostratigraphy:

Age: Early Cretaceous.

Material: Incomplete posteriormost dorsal vertebra, nearly complete five sacrals, the first and second caudals, the first chevron, incomplete left and right ilia, incomplete left pubis, and incomplete left ischium.