Daphnella fenestrata Verco, 1909 Nepotilla fenestrata is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.

(Original description) The delicate, white shell contains 5 whorls, including a rather blunt scarcely mamillate protoconch of 2 convex whorls, with 7 spiral lirae, ending abruptly at the first axial rib.

The inner lip shows a narrow, opaque-white glaze.

The axials, twenty in the penultimate, coronate the uppermost spiral with projecting points, and produce tiny tubercles as they cross the other spirals.

Crowded axial threads, concave forwards, run from the simple suture to the angle.