Genus: Graciliraptor XU & WANG, 2004b
Etymlogy: Latin, gracilis, "slender" and Latin, raptor, "theif," commonly used for dromaeosaurid dinosaur names. The generic name is derived from the slender limbs and tail of the animal ,

Species: lujiatuensis XU & WANG, 2004b
Etymology: In reference to the Lujiatun village, Beipiao City, western Liaoning Province, Chin, near which the holotype was found.

Holotype: IVPP V 13474

Locality: Lujiatun, Beipiao City, western Liaoning Province, China.

Horizon: Horizon 1, Lower part of the Yixian Formation, Jehol Group.

Biostratigraphy: Psittacosaurus Fauna, Confuciusornis Avifauna.

Age: Valanginian Stage, Upper Neocomian Subepoch, Early Early Cretaceous Epoch, Early Cretaceous.

Material: Fragmentary maxilla with some teeth, a few caudals, almost complete fore limbs, and partial hind limbs.