They are marked on each whorl by 18 narrow, well developed, rounded, almost vertical axial ribs.

The leather covers are almost sculptural, with rows of black vertical ribs on the front and back.

Windows are tall, narrow slits framed by vertical ribs.

The species shows about 18 vertical ribs with large pointed tubercles.

They are marked by very strong, vertical axial ribs, of which 16 occur upon all the whorls.

The early ones are marked by moderately strong, broad, low, almost vertical axial ribs, which become quite obsolete on the last turn and a half.

The shells typically have blade-like vertical ribs, known as costae.

A bold new grille, with simple vertical ribs, appeared for 1981.

There are often significant, vertical ribs consisting of low and rounded or hump-like bumps.

This building, dominated by vertical ribs, was a clear departure from eclecticism.