Genus: Eopengornis WANG, O’CONNOR, ZHENG, WANG, HU, & ZHOU,
Etymology: Greek, eo, "dawn": The genus name refers to the older age of the new specimen relative to known specimens of Pengornis.
ZHENG, WANG, HU, & ZHOU,
Etymology: In honor of the late Larry Martin for his numerous contributions to the field of palaeornithology.
Locality: Near Luozigou Village, Fengning County, Hebei Province, China.
Horizon: The first sedimentary member of the Huajiyang Formation (previously called Dabeigou Formation or Dadianzi Formation.
Biostratigraphy: 'Protopteryx horizon'.
Age: Barremian Stage, Lower Gallic Subepoch, Middle Early Cretaceous Epoch, Early Cretaceous.
Material: An almost complete and fully articulated subadult individual.
Note: Feather imprssions; remiges, recrices, and contou feathers as an outline of the body.