auto-translate Ammonite Fossil in Oishihara, Motobu-cho This ammonite fossil is an important Mesozoic standard fossil in the Mesozoic cephalopod family. The ones in this region are 1-6 mm in diameter and are prominent in siltstone. It is a valuable resource for studying the geological history of this prefecture. Okinawa Prefectural Board of Education
auto-translate 本石-大石原的i石化石该am石化石是中生头足类动物中重要的中生代标准化石。该区域的直径为1-6 mm,在粉砂岩中突出。它是研究该县地质历史的宝贵资源。冲绳县教育委员会