吐火罗语
The Turfan and Tarim Basins were populated by speakers of Tocharian languages, with "Europoid" mummies found in the region. The oases were populated by Iranian and Tocharian language speakers. Different historians suggest that either the Sakas or Tokharians made up the Yuezhi people who lived in Xinjiang. The northern Tarim Basin is where Tokharian language records were found.