Alvania campta

Alvania campta is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.

Description
The length of the shell attains 4 mm, its diameter 1.5 mm.

(Original description) The small shell is translucent white and slender. It has a glassy protoconch of about two whorls and four subsequent well-rounded whorls, separated by a deep suture. The axial sculpture consists of numerous minute close-set vertical riblets, hardly visible without a lens, crossed by microscopic spiral striae over the whole surface. The base is rounded and imperforate. The lips are simple, not meeting over the body.

Distribution
This marine species occurs in the Atlantic Ocean off Georgia, USA.