The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.
- Y. Tomida. 1989. A new walrus (Carnivora, Odobenidae) from the middle Pleistocene of the Boso Peninsula, Japan, and its implication on odobenid paleobiology. Bulletin of the National Science Museum, Series C (Geology & Paleontology) 15(3):109-119
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