Aclis walleri

Jeffreys, 1867

Description (shell):
Shell tall, delicate, glossy, semitransparent when fresh; whorls very tumid with deep sutures and without any ornament. Aperture oval, outer lip with a broad anal sinus; umbilicus small. The shell has ten whorls. Last whorl occupies about one third of the shell height, aperture about a quarter.

Up to 4 x 1.5 mm.

White or colourless.

The body of the animal is white and shows the same features as Aclis minor .

On soft bottoms but at greater depths than the other Aclis species.

Only in the northern North Sea (Distr. A. walleri).