| Citation | Allen, J.A. 1880 History of the North American pinnipeds: A monograph of the walruses, sea-lions, sea-bears and seals of North America. U.S. Geological Survey of the Territories, Miscellaneous Publications 12:1-785. |
| DOI / ISBN | |
| PDF/Reference URL | |
| Ref. No. | 78786 |
| Language | English |
| Usage | not seen |
| Comments on the publication | |
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| Cross references | 1522 |