Genus: Yuanjiawaornis HU, LIU, LI, XU, & HOU, 2014
Etymology: In reference to the type locality and strata, Yuanjawa, Chaoyang County, Liaoning Province, China and Greek, ornis, "bird."

Species: viriosus HU, LIU, LI, XU, & HOU, 2014
Etymology: Latin, viriosus, "vigorous."

Holotype: PMOL AB00032

Locality: Yuanjiawa Village, Dapingfang Town, Chaoyang County, Liaoning Province, China.

Horizon: Yuanjiawa beds, Jiufotang Formation, Upper Jehol Group.

Biostratigraphy:

Age: Early Cretaceous.

Material: Nearly complete specimen lacking the skull.