Archaeological work in Mongolia in the last decade reveals sites with remains from Middle Paleolithic times but nowhere in Mongolia has a definite Lower Paleolithic layer been found. I find 2 publications by A.P. Derevianko on the Amur River Valley. One of the publications is coauthored with A.P. Okladnikov. Khabarovskoe knizhnoe izd-vo. 1977. Akademiia Nauk Azerbaidzhanskoi SSR, Institut Istorii.
Most scholars now relate the jawbone to Neandertal.