map 物種黑腹大頭糯鰻 Macrocephenchelys nigriventris[原始紀錄物種] Macrocephenchelys nigriventris日期地點觀測方式保存標本記錄者鑑定者Smith, David G.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/2236127416識別號c5a424db-228d-46c4-b2fb-69219bbb47f5 (OccurrenceUUID)gbif.4693651.2236127416 (externalID)