Shell of moderate size, bucciniform, acute, white, of about seven whorls, moderately rounded, the suture, not appressed; axial sculpture of (on the last whorl, about 22) narrow, rounded, retractively arcuate ribs, with subequal interspaces, extending from the suture to the base; incremental lines not prominent; spiral sculpture of close-set flattish threads of somewhat irregular strength, often medially grooved, and having a tendency to associate in groups of two or three, these cover the whole surface; aperture buccinoid, retractively conspicuously waved near the suture, protractively arcuate beyond; throat white, body with a glaze, pillar slightly arcuate, canal wide recurved; operculum with apical nucleus. Height of shell, 34; of last whorl, 25; of aperture, 17; diam., 16 mm. (Dall.)
TYPE in United States National Museum, No. 205923. Type locality, United States Fish Commission Station 4777, on Petrel Bank, Bering Sea. RANGE. Petrel Bank, Bering Sea, to Aleutian and Shumagin Islands.