[R] Yuan
Yuan, C., Zhang, H., Li, M., and Ji, X. (2004) Discovery of a Middle Jurassic fossil tadpole from Daohugou Region, Ningcheng, Inner Mongolia, China: Acta Geologica Sinica, v. 145-148.
Yuan, C. (2004) Further study of Yanornis martini (Ornithurae) from the Mesozoic Jehol Biota in Western Liaoning, China: Acta Geologica Sinica, v. 78, n. 4, p. 464-467.
Yuan, C. (2004) A new genus and species of Sapeornithidae from Lower Cretaceous in Western Liaoning, China: Acta Geologica Sinica, v. 82, n. 1, p. 48-55.
Yuan, C., Zhang, H., Li, M., and Ji, X. (2005) Discovery of a Middle Jurassic fossil tadpole from Daohugou region, Ningcheng, Inner Mongolia, China. Acta Geologica Sinica 78:145-148.
Yuan, C. (2008 A new genus and species of Sapeornithidae from Lower Cretaceous in western Liaoning, China. Acta geologica Sinica Vol 82 No 1 pp. 48-55 [Didactylornis jii]