Eosimias A fossil primate, known mainly by jaws and teeth, from the Middle Eocene of southern China, described in 1994 by C. K. Beard, Tao Qi, M. R. Dawson, Banyue Wang, and Chuankuei Li. According to its describers, it has the features of a very primitive member of the Simiiformes and may stand at the base of this group.

Eosimias A fossil primate, known mainly by jaws and teeth, from the Middle Eocene of southern China, described in 1994 by C. K. Beard, Tao Qi, M. R. Dawson, Banyue Wang, and Chuankuei Li. According to its describers, it has the features of a very primitive member of the Simiiformes (monkeys, apes, and humans) and may stand at the base of this group.