map 物種雙層筍螺 Duplicaria duplicata[原始紀錄物種] Duplicaria duplicata (Linnaeus, 1758)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/2444744390識別號99e3a5ec-c7b9-431d-abca-f8493783fa64 (OccurrenceUUID)gbif.4693676.2444744390 (externalID)