They are dated from 95,000 to 13,000 years ago . They are found in the same archeological layer as an elephant of the extinct genus Stegodon . The implements are at horizons from 95,000 to 13,000 years ago and are associated with ( found in the same stratigraphic layer as ) an elephant of the extinct genus Stegodon ( which was widespread throughout Asia during the Quaternary ) , presumably the prey of LB1 .