Turbonilla (Chemnitzia) chrysozona Martens, 1880 Mormula chrysozona is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.

[1][2] The shell is white, with a single narrow orange band on the upper whorls, two on the middle ones, three on the body whorl.

The teleoconch contains 12-13 convex whorls that are occasional!y varicose.

The columella is slightly plicate at the base, where the aperture is a little channeled.

[3] This species occurs in the following locations:[1]