Alvania argentea
Alvania argentea is a species of small sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.
Description
The length of the shell attains 3 mm to 4.7 mm.The acuminate-ovate shell is imperforate. The shell contains six convex whorls. It is a beautiful little shining silvery shell, not regularly latticed like Alvania fenestrata, but with the spiral ridges much more prominent than the longitudinal plaits, which are numerous and visible only on the upper half of the whorls. The body whorl is slightly inflated. The aperture is ovate. The columella is arcuate.