Shell small, feebly sculptured, whitish with a yellowish underlying, and (on the spire, one; on the last whorl, two) darker spiral lines; whorls six without the (lost) nucleus; suture distinct, anal fasciole obscure; surface with uniform fine spiral striation; axial sculpture of (on the last whorl, about 15) faint narrow riblets extending entirely over the whorl with wider interspaces; aperture narrow, canal short, wide; anal sulcus faint; outer lip thin, sharp, body and pillar smooth. Height of shell, 6.5; of last whorl, 4; diameter, 2.5 mm. (Dall.)
TYPE in United States National Museum, No. 153051.

Type locality, San Pedro, California.
RANGE. San Pedro, San Diego, California, to Gulf of California.