R.  Takashima, Dick, M. H. , Nishi, H. , Mawatari, S. F. , Nojo, A. , Hirose, M. , Gautam, P. , Nakamura, K. , and Tanaka, T. , ?Geology and Sedimentary Environments of the Pleistocene Setana Formation in the Kurumatsunai District, Southwestern Hokkaido, Japan?, Origin and Evolution of Natural Diversity : Proceedings of the International Symposium "The Origin and Evolution of Natural Diversity", held from 1-5 October 2007 in Sapporo, Japan, 2008.