map 物種雙層筍螺 Duplicaria duplicata[原始紀錄物種] Duplicaria duplicata日期地點觀測方式保存標本記錄者鑑定者資料集Mollusca collection of National Museum of Nature and Science授權紀錄授權: CC BY來源連結https://www.gbif.org/occurrence/4522242094識別號04de2b7b-1fe7-4d92-9d56-68d92edecc06 (OccurrenceUUID)gbif.4693762.4522242094 (externalID)