map 物種菱角螺 Volva volva[原始紀錄物種] Volva volva (Linnaeus, 1758)日期地點觀測方式保存標本記錄者鑑定者資料集Natural History Museum (London) Collection Specimens授權紀錄授權： CC0來源連結https://www.gbif.org/occurrence/1056607894識別號0079f68d-6879-40b8-88d6-0aed6074f6ef (OccurrenceUUID)gbif.4693670.1056607894 (externalID)