Shell minute, white, with a brown Sinusigera nucleus of two and a half and four subsequent whorls; spire acute, suture appressed, somewhat constricted; anal fasciole rather wide, crossed by retractively concave wrinkles; axial sculpture of about 10 prominent ribs, wider and slightly angulate at the periphery, varying in number in different specimens, up to 12, and extending nearly across the whorls, but obsolete on the base and on the anal fasciole; spiral sculpture of two or three prominent threads near the periphery, over riding the ribs and half a dozen smaller ones on the base; base moderately convex, aperture subovate, the outer lip thin and protractively arcuate; pillar straight, obliquely truncate in front; canal rather wide, slightly recurved. Length, 3.5; diameter, 1.2 mm. U. S. Nat. Mus. Cat. No. 107942.
Five specimens off Fernandina.