Genus: Sapeornis ZHOU & ZHANG, 2002
Etymology: SAPE is the abbreviation for the Society of Avian Paleontology and Evolution. The fifth SAPE conference was held in China in June 2000, shortly before the holotype was collected.

Species: chaoyangensis ZHOU & ZHANG, 2002
Etymology: In reference to the Chaoyang locality, where the specimen was found.

Referred material:

GAO, CHIAPPE, ZHANG, POMEROY, SHEN, CHINSAMY & WALSH, 2012

Locality: Huludao City, Jianchang County, Liaoning Province, China.

Horizon: Yixian Formation.

Biostratigraphy:

Age: Barremian-Aptian Stage, Lower Gallic Subepoch, Early Cretaceous Epoch, Early Cretaceous.

Material:

DNHN-D3078: Skull and skeleton.
Note with feather impressions on the wings.

 

PU, CHANG, LÜ, WU, XU, ZHANG & JIA, 2013

Locality: Dapingfang area, Chaoyang City, Liaoning Province, China.

Horizon: Jiufotang Formation.

Biostratigraphy:

Age: Early Cretaceous.

Material:

MOTIC SMZ-168: Nearly complete skull and skeleton of a juvenile.

Note: With feather impressons and scales on the feet.