Shell small, slender, acute, dark brown with a whitish peripheral and a less obvious basal band; nucleus blunt. polished, reddish brown, of two whorls: subsequent whorls six. the anal fasciole on the spire depressed, very minutely spirally striated with a single line thread near the posterior edge which is appressed at the suture; other spiral sculpture of fine striae and three stronger threads with wider interspaces on the base; the canal has about half a dozen smaller closer threads; axial sculpture of nine oval prominent nodules on the periphery, which may in some specimens be bisected by an incised spiral line; the incremental lines are not prominent; aperture rather wide and short; anal sulcus large, deep, with a small subsutural callus: outer lip sharp edged, with a small varix, internally not lirate; canal short, wide, deep, with a perceptible siphonal fasciole and slightly recurved. Height of shell. 10; of last whorl, 5.5; diameter. 3 mm. Cat. No. 50345. U.S.N.M.
Range.—Beach at Acapulco. Mexico;
The specimen is slightly beach worn and the sculpture is probably sharper when fresh.