Shell small, white, solid, with a swollen nucleus of a whorl and a half and five and a half subsequent whorls; suture distinct, not appressed, with a slightly constricted fasciole in front of it; axial sculpture of (on the last whorl 10-11) rounded flexuous smooth ribs, most prominent at the periphery on the spire, sigmoidly flexed on the last whorl and absent from the base; the interspaces are equal or wider than the ribs; there is no spiral sculpture; the aperture is wide, less than a third of the whole length, the anal sulcus wide and deep, the outer lip very prominently protractively arcuate, the pillar short, the canal short and wide, the axis not pervious. Length, 8; diameter, 3.2 mm. U. S. Nat. Mus. Cat. No. 107948.

Off Fernandina, Florida, USA.