The eggs are smooth and round and generally with a somewhat concave apex.

Each lacinia is about 3 mm wide, somewhat concave, with a linear margin.

Apical alveolar, with a somewhat concave tongue.

Like an Amoeba, it has no regular outline, although the lower surface is somewhat concave, and the upper surface is always flattened.

The shell has about seven somewhat concave whorls.

This brownish-yellow shell is somewhat concave at its base.

The profile of the breed's head is usually flat or somewhat concave, becoming slightly convex from the nasal region to the top of the muzzle.

They are flat or somewhat concave in shape.

The walls of the umbilicus are nearly smooth, and as regards the individual turns are somewhat concave.

The contour of the western shore appears to be somewhat concave on maps before 1960.