Shell subcylindrical in shape, with a strongly rounded and swollen apex; protoconch of 1,5 smooth whorls. Teleoconch of 3 convex whorls; whorls smooth, apart from a distinct subsutural groove and about 12 spiral striae on base of body whorl, the latter showing under high magnification very fine, closely set axial riblets in their intervals. Colour translucent creamy white. Columella calloused, slightly concave, and smooth; outer lip smooth inside. Dimensions: 3,2 x 1,1 mm (holotype).
Notes: No other member of the genus Aesopus is comparable to this species, for it bears no spiral sculpture except on its base.