Buccinum ectomocyma Dall 1907

Dall 1907. Descriptions of new species of shells, chiefly Buceinidae;, from the dredgings of the U.S.S. "Albatross," during 1906, in the northwestern Pacific, Bering, Okhotsk, and Japanese Seas. Smithsonian Institution Miscellaneous Collection, 50 1907: (139-173)