Species: prima JI & JI, 1996
Etymology:
Holotype: National Geological Museum of China, GMV2123, and counterpart, Nanjing Institute of Geology and Palaeontology NIGP 127586
Locality: Jianshangou-Sihetun area of Beipiao, Shangyuan, Beipiao, Liaoning Province, China.
Horizon: Yixian Formation (Jiufotang Formation, = Chaomidianzi Formation of Ji et al, 1998), Jehol Group.
Biostratigraphy:
Age: Early Cretaceous.
Material: Nearly complete specimen with ‘feather’ impressions.
Referred material:
NIGP 127587: Nearly complete skeleton, lacking only the distal end of tail.
Note: 2 eggs and a lower jaw of a lizard in it’s stomach area.
NGMC 2124: A nearly complete skeleton with ‘feather’ impressions.
Note: Initally described by JI & JI (1997). This specimen includes symmetrodont ammal jaws and skeletal elements in the stomach region (CURRIE & CHEN, 2001)(3 Specimens, nearly complete, showing ‘feather’ impressions.)
MANABE, 2005, LINGHAM-SOLIAR, FEDUCCIA & WANG, 2007, JI, GAO, LIU, MENG & JI, 2007
Locality: Dawangzhangzi, Lingyuan, Liaoning Province, China.
Horizon Yixian Formation.
Biostratigraphy:
Age: Early Cretaceous.
Material:
IVPP V12415: Skull and skeleton.
Note: With feather impressions or as the authors calim, coligen fibers.
ZHANG, KEARNS, ORR, BENTON, ZHOU, JOHNSON, XU & WANG, 2010
IVPP 14202: Skull and skeleton.
Note: With feather impressions.