Shell small, grayish white, acute, with a small subglobular nucleus and six subsequent whorls moderately rounded and with a slight shoulder; suture distinct, not appressed; spiral sculpture of (on the penultimate whorl in front of the shoulder about 6) incised lines, with wider interspaces, overrunning the ribs; on the last whorl this sculpture extends to the canal; axial sculpture of (on the last whorl about 17) short, rounded ribs extending from the shoulder, where they are most prominent, over the periphery and obsolete on the base; there are also fairly distinct incremental lines; aperture short, wide, with a feeble anal sulcus and hardly differentiated canal; outer lip thin, simple, inner lip erased; throat whitish. Height of shell, 9.75; of last whorl, 6; of aperture, 4; diameter, 4 mm. (Dall.) NOT FIGURED
TYPE in United States National Museum, No. 220399a

Adakh Island, Aleutians, to Sitka, Alaska.