Odostomia unidentata

Odostomia unidentata is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.

Description
The almost opaque, glossy, white shell is solid. The length measures 5 mm. The protoconch has a helicoid shape. The teleoconch contains six, flattened whorls with a narrow, distinct suture. The shell has a more or less distinct peripheral angle, visible also at the base of the upper whorls. The sculpture has slight, microscopical, close-set spiral striae and prosocline growth lines. The umbilicus is lacking, although there is sometimes a small chink. The aperture has a straight columellar border. The columellar tooth is long and prominent.

Distribution
This species has a wide distribution and occurs in the following locations:
 * European waters (ERMS scope)
 * British Isles
 * Goote Bank
 * Irish Exclusive economic Zone
 * Portuguese Exclusive Economic Zone
 * Spanish Exclusive Economic Zone
 * United Kingdom Exclusive Economic Zone
 * Atlantic Ocean : Arctic region to the Azores, Madeira, Canary Islands, North Carolina to the Florida Keys, USA ; Northeast Brazil
 * Western Mediterranean Sea (Greece)