Template:Tomida, 1989

• Tomida, Y. 1989. A new walrus (Carnivora, Odobenidae) from the Middle Pleistocene of the Boso Peninsula, Japan, and its implication on odobenid paleobiogeography. Bulletin of the National Science Museum. Series C (Geology & Paleontology) 15(3): 109–119. PDF  
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Nomenclatural acts

• Date of publication: 22 September 1989

New names

(List may be incomplete)

• Odobenus mandanoensis sp. nov. [p. 110]