Species: fengningensis ZHANG & ZHOU, 2000
Etymology: Referes to the Fenging County, Hebei Province, Peoples republic of China, where the specimen was collected.
Holotype: IVPP V 11665
Locality: Fengning County, Hebei Province, Peoples republic of China.
Horizon: Unnamed Formation, equivalent to the Dadianzi Formation (not Yixian Formation).
Biostratigraphy:
Age: Valanginian Stage, Middle Neocomian Subepoch, Early Cretaceous Epoch, Early Cretaceous.
Material: Nearly complete specimen, skull with 4 teeth, feathers on body, wings and two long tail feathers.
Paratype:
IVPP V 11844: Partial skeleton with preserved feathers and down.
Referred material:
CHIAPPE & MENG, 2016, CHIAPPE, DI, SERRANO, ZHANG, & MENG, 2019
Locality: Sichakou, Fenging County, Hebei Province, China.
Horizon: Huajiying Formation.
Biostratigraphy:
Age: Early Cretaceous.
Material:
BMNHC-PH1060A\B: Skull and skeleton.
Note: With feather impressions.
BMNHC-PH1158A: Skull and skeleton.
Note: With feather impressions.