Genus: Eoazhdarcho LU & JI, 2005b
Etymology: Greek, Eo-, "beginning" + azhdarchid; early form of azhdarchid.
Species: liaoxiensis LU & JI, 2005b
Etymology: In reference to the fossil locality, Liaoxi, the western part of Liaoning Province, China.
Locality: Liaoxi, Chaoyang City, Chaoyang County, Liaoning Province, China.
Horizon: Horizon IV, Jiufotang Formation, Upper Jehol Group.
Biostratigraphy: Psittacosaurus fauna, Cathayornis-Chaoyanga Avifauna.
Age: Barremian Stage, Lower Gallic Subepoch, Lower Early Cretaceous Epoch, Early Cretaceous.
Material: Incomplete skeleton and lower jaw.