Shell short and stout, slightly swollen and gently tapering to either end, on one side almost straight, on the other arcuate, glossy and almost transparent. In one case the translucent ground is mottled with opaque white spots. Four longitudinal equally spaced furrows impress the surface. Anal end bilabiate, the lips usually widely parted, that on the straighter side projecting beyond its fellow. In one case the lips are of equal length almost touching distally and divided by a narrow slit. Aperture very oblique with a small thickened rim. Length 3,4 mm. ; breadth 0,64 mm. Another specimen, length 2 mm.; breadth 0,48 mm.