Stilapex polaris is a species of sea snail, a marine gastropod mollusk in the family Eulimidae.
Description The length of the shell attains 10 mm, its diamter 6 mm.
(Original description) The shell is conic-acuminate, thin, and translucent, with a gradate spire that tapers to an attenuate, mucronate apex. There are nine whorls, which are mostly flattened at the suture and rounded at the periphery; the body whorl is subglobose.
The shell is milk-white and has a very glossy surface. Narrow, faint spiral grooves are crossed by fine, radiating hair-like lines. The aperture is reniform; the columella is perpendicular, thickened, and reflected. The outer lip is thin-edged and sinuate anteriorly, while the anterior margin is rounded and slightly everted. There is no callus on the inner lip.
Distribution The marine species occurs in the contained in high seas of the Southern Ocean and off Antarctica.
References