*Christian Leipe¹、Chiharu Abe²、Stefanie Müller ¹、Hirofumi Kato³、Mayke Wagner⁴、Andrzej W. Weber⁵、Pavel E. Tarasov¹ (1.Paleontology Section, Institute of Geological Sciences, Freie Universität Berlin, Germany、2.Jomon World Heritage Promotion Office, Hokkaido Government, Japan、3.Center for Ainu and Indigenous Studies, Hokkaido University, Hokkaido, Japan、4.Eurasia Department and Beijing Branch Office, German Archaeological Institute, Germany、5.Department of Anthropology, University of Alberta, Canada)