Ancilla marmorata
Ancilla marmorata is a species of sea snail, a marine gastropod mollusk in the family Ancillariidae.
Description
The length of the shell attains 21 mm, its diameter 9 mm.The shell is narrowly ovate, quite solid, and white. Its spire is exserted and somewhat pointed, with a slightly callous suture. It consists of four very slightly convex whorls, the last of which is elongated and somewhat inflated. Below the middle, this body whorl is fortified with a rather wide callous band. Above the band, it is encircled by a partly engraved groove. The columella is abbreviated, contorted, and folded, and the aperture is quite wide.