Pongo weidenreichi

The Chinese orangutan (Pongo weidenreichi) is an extinct species of orangutan from the Pleistocene of South China. It is known from fossil teeth found in the Sanhe Cave, and Baikong, Juyuan and Queque Caves in Chongzuo, Guangxi. Its dental dimensions are 20% bigger than those of living orangutans. The youngest remains of the species date to between 57,000-66,000 years ago in Yincun Cave, Guangxi.