| উদ্ধৃতি | Rice, D.W., 1998 Marine Mammals of the World Systematics and Distribution. Special Publication number 4: The Society for Marine Mammalogy. 231p. |
| সূত্র | 1522 Rice, D.W., 1998 |
| পৃষ্ঠা | 38 |
| Named Used as Valid | Phoca vitulina richardii |
| এলাকা | |
| Distribution | Mexico, Alaska, British Columbia, USA, Gulf of California. |