map 物種[原始紀錄物種] Contradusta walkeri?(G. B. Sowerby I, 1832)日期地點觀測方式保存標本記錄者鑑定者資料集Mollusca specimens of Okinawa Prefectural Museum & Art Museum授權紀錄授權: CC BY來源連結https://www.gbif.org/occurrence/1828784153識別號9d1a3283-9979-43fa-be77-6c861fe85bd4 (OccurrenceUUID)gbif.4693780.1828784153 (externalID)