Shell small, thin, white under a straw-colored periostracum, with more than six well-rounded whorls, the apex defective; suture distinct, not appressed; axial sculpture of faint incremental lines; spiral sculpture of (on the penultimate whorl, 13) fine, rounded, low, subequal cords with narrower interspaces, the cords at and below the periphery a little more close-set, this sculpture covering the whole shell very evenly; aperture wide, the outer lip thickened and slightly crenulated by the external sculpture, body erased; pillar short, attenuated in front; canal short, wide, slightly recurved. Height of shell, 26; of last whorl, 18; of aperture, 12; diameter, 13 mm. (Dall.)
TYPE in United States National Museum, No. 106864. Type locality. United States Fish Commission Station 2853, near Shumagin Islands, Alaska.
RANGE. Known only from type locality.