xanthopygus" would probably include the subspecies "C. x. alashanicus" (perhaps a synonym of "C. x. xanthopygus"), and would be found from the Russian Far East to northeastern China.This would restrict the "true" red deer ("C. elaphus") to Europe, Anatolia, the Caucasus and northwestern Iran, and the elk/wapiti ("C. canadensis") to North America and the Asian regions of the Tian Shan, Altai, and Great Khingan.