map 物種沼螺屬 Bithynia[原始紀錄物種] Bithynia toucheana日期地點觀測方式保存標本記錄者鑑定者資料集NMNH Extant Specimen Records (USNM, US)授權紀錄授權: CC0來源連結https://www.gbif.org/occurrence/1320994408識別號6c567648-f0d8-4f39-8f2a-49d2b3be1de0 (OccurrenceUUID)gbif.4693651.1320994408 (externalID)