Shell small, very thin, of a dull-olive color, the suture deep, not appressed; with about six well-rounded whorls, the apex eroded; axial sculpture of fine, close, even, silky incremental lines; spiral sculpture of fine, close, equal flattish threads on the spire which later take on the aspect of rather wide flat interspaces between shallow grooves, here and there with a slightly more elevated spiral thread; aperture ovate, outer lip thin, sharp, perhaps not quite mature; inner lip white, erased, pillar short, twisted; canal very short, slightly recurved, wide, with a faint siphonal fasciole. Height of shell, 27; of last whorl, 21; of aperture, 14; diameter, 16 mm. (Dall.)
TYPE in United States National Museum, No. 206449. Type locality, United States Fish Commission Station 3340, southeast of Chirikoff Island, Alaska.
RANGE. Southeast of Chirikoff Island, Alaska, in 695 fathoms.