Shell small, yellowish white with five or more whorls; nucleus tilted, smooth, flat above, with the margin of the plane forming a strong carina which is continued as a spiral thread at the shoulder in the subsequent whorls; the first whorl which follows the nucleus has two spiral threads, the number of these gradually increases until the fifth whorl has thirteen, closer in front of the suture and behind the shoulder and also on the base; less crowded on the periphery, and crossing (on the fifth whorl twenty) arcuate, regular, slightly elevated ribs with subequal interspaces which extend over the periphery and fade out on the base; spire longer than the aperture; canal straight or slightly recurved, short; pillar straight, obliquely truncate in front; periostracum yellowish; long. of shell 6.5; of aperture 3.2; max. diam. 3.0 mm.

Dredged off the coast of Greenland