Abstract: Two fragments of upper jaw bone fossils of hominoids (YM 12 and YM150) collected from the localities of Hudie Liangzi and Gai Pai Liangzi near Xiaohe Village, Yuanmou County, Yunnan Province, in 1987 and 1989 were restudied. They are similar to the Lufengpithecus very much, and may belong to the same genus. But the two specimens possess some special features, they are attributed to Lufengpithecus sp.

Key words: Yuanmou; Lujengpithecus; Early Pliocene