Shell small, white, with four or more whorls exclusive of the (lost) nucleus; suture distinct, not appressed; whorls sloping behind, rounded in front; axial sculpture on (on the penultimate whorl, about 17) short rounded ribs with subequal interspaces, hardly extended over the periphery and gradually becoming obsolete on the last whorl; incremental lines somewhat conspicuous on the base where they slightly reticulate the spiral sculpture; the latter comprises three prominent cords on the periphery equal and equidistant, swollen where they override the ribs, and feebler on the last whorl; the anal fasciole carries finer equal spiral threads, the base 10 or more somewhat larger and more nearly adjacent as they approach the canal; aperture rather narrow, outer lip, solid, sharp-edged, anal sulcus large, rounded, close to the suture, inner lip erased, canal short, deep, slightly recurved. Height of last and three proceeding whorls, 7.5; of last whorl, 5; diam., 3 mm. (Dall.)
TYPE in United States National Museum, No. 208916.

Type locality, Station 4454, off Point Pinos Light, Monterey, California.
RANGE. Point Ano Nuevo, California, to Coronado Islands.