Alvania algeriana
Alvania algeriana is a species of minute 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 shell is imperforate. It has rounded longitudinal ribs and about equal interspaces. it is yellowish brown, with a brown subsutural band and three more on the base. The lip is simple and sharp.