Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) MAJIMA Ryuichi and IMAI Shizuka and UCHIMURA Ryuichi and KIDA Shougo and HAYAKAWA Masao,"Finding of Calyptogena sp. (bivalvia) from the late pliocene Hijikata formation, Kakegawa city, Shizuoka prefecture, central Japan.",The Journal of the Geological Society of Japan,00167630,The Geological Society of Japan,1990,96,7,553-556,https://cir.nii.ac.jp/crid/1390282681212026496,https://doi.org/10.5575/geosoc.96.553