Species:
magnapremaxillo
O’CONNOR, WANG, ZHENG, HU, ZHANG, & ZHOU, 2016
Etymology: Latin, magnus (-a), “great” + premaxilla; in reference to the enlarged premaxilla relative to other pengornithids.
Holotype: STM29-11
Locality: Jianchang County, Liaoning Province, northeatern China.
Horizon: Jiufotang Formation.
Biostratigraphy:
Age: Early Cretaceous.
Material: Skull and skeleton: Not has feather impressions on wings and tail.