The southwesternmost record of Sicista (Mammalia; Dipodidae) in Eurasia, with a review of the palaeogeography and palaeoecology of the genus in Europe

► Lezetxiki II is a human-bearing site from the early Late Pleistocene MIS 5. ► It has the southwesternmost record of Sicista found to date in Eurasia. ► Pleistocene cold episodes pushed Sicista south- and westward into Europe. ► Cold, moderately humid conditions at Lezetxiki were ideal for Sicista betulina.