| Trích dẫn | Bauer, R.D., R.S. Peterson and V.B. Scheffer, 1964 Age of northern Fur Seal at completion of its frist molt. Journal of Mammalogy 45(2):299-300. |
| Tài liệu tham khảo | 8667 Bauer, R.D., R.S. Peterson and V.B. Scheffer, 1964 |
| Trang | |
| Named Used as Valid | Callorhinus ursinus |
| Địa phương | St. Paul Island, Alaska |
| Sự phân bố |