The recently discovered macaque fossils, including mandible, maxilla fragments and isolated teeth, from the Kumok Cave, Sungho County, the Democratic People's Republic of Korea can be identified as Macaca mulatta . They represent the first recognised occurrence of fossil M. mulatta in the Kumok Cave. The Kumok Cave sediments include seven layers, of which the macaque fossils were found only in the third layer. Thermoluminescen...