map 物種Melanella[原始紀錄物種] Melanella gracilis (C.B. Adams, 1850)日期地點觀測方式保存標本記錄者鑑定者資料集Natural History Museum Rotterdam - Specimens授權紀錄授權: CC BY來源連結https://www.gbif.org/occurrence/2570123094識別號ffb314f4-9cae-45d5-afaf-891e879d2ae8 (OccurrenceUUID)gbif.52950805.2570123094 (externalID)