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

[2][3] The shell grows to a length of approximately 3 mm.

[4] The shell is conical and has strong spiral cords and a distinctly visible columellar fold.

[3] This marine species occurs in the Caribbean Sea, Gulf of Mexico,[2] Bermuda, Bahamas, and southeast Brazil.

This Pyramidellidae-related article is a stub.