| Citation | Ikemoto, T., T. Kunito, I. Watanabe, G. Yasunaga, N. Baba, N. Miyazaki, E.A. Petrov and S. Tanabe, 2004 Comparison of trace element acculumation in Baikal seals (Pusa sibirica), Caspian seals (Pusa caspica) and northern fur seals (Callorhinus ursinus). Environmental Pollution 127:83-97. |
| Ref. | 74731 Ikemoto, T., T. Kunito, I. Watanabe, G. Yasunaga, N. Baba, N. Miyazaki, E.A. Petrov and S. Tanabe, 2004 |
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| Named Used as Valid | Callorhinus ursinus |
| Locality | |
| Distribution | Sanriku, Japan. |