This research was funded by the National Science Foundation (DEB-0317140), National Natural Science Foundation of China (40902012) and support from Carl and Lynn Cooper, Ron and Judy Perlstein, and Richard and Eileen Garson.
WANG Xuri, Jingmai K. O’Connor, ZHAO Bo, Luis M. Chiappe, Gao Chunling and Cheng Xiaodong.2010. New Species of Enantiornithes (Aves: Ornithothoraces) from the Qiaotou Formation in Northern Hebei, China[J]. ACTA GEOLOGICA SINICA(English edition),84(2):247~256
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