map 物種Melanella[原始紀錄物種] Melanella gracilis (Adams, 1850)日期地點觀測方式保存標本記錄者鑑定者資料集Naturalis Biodiversity Center (NL) - Mollusca授權紀錄授權： CC0來源連結https://www.gbif.org/occurrence/2444217103識別號4406baaf-050d-426c-ad9a-70207462b386 (OccurrenceUUID)gbif.4693676.2444217103 (externalID)