The height of the shell is less than 7 mm.

The height of the shell is up to 4.5 mm.

The height of the shell is from 18.5 to 19 mm.

The aperture is less than half the height of the shell.

The height of the shell can reach up to 180 mm (about 7 in).

The height of the shell is 34.3 - 38.1 mm.

It lives at depths of between 100 and 200 m. The shell height is up to 23 mm.

The average height of the shell is 13.40 mm.

The height of the shell is about 2 mm.

These are very small or minute snails, with a shell height of less than 8 mm.