| উদ্ধৃতি | Perrin, W.F., B. Wursig and J.G.M. Thewissen, 2009 Encyclopedia of Marine Mammals, Second Edition. Academic Press: London. 1316pp. |
| সূত্র | 80684 Perrin, W.F., B. Wursig and J.G.M. Thewissen, 2009 |
| পৃষ্ঠা | 811 |
| Named Used as Valid | Lutra lutra |
| এলাকা | |
| Distribution |