Spirotropis monterosatoi

Spirotropis monterosatoi is a species of sea snail, a marine gastropod mollusk in the family Drilliidae.

Taxonomy
Bouchet & Warén (1980) placed S. sarsi Warén, 1975 and S. carinata of Mediterranean authors in the synonymy of this species, but this was shown to be incorrect by Janssen (1993).

Description
The size of an adult shell varies between 14 mm and 26 mm.

Distribution
This species occurs in the benthic zone between Iceland and Norway, down to northwest Africa; in the Mediterranean Sea.