Alvania zylensis

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

Description
The length of the shell varies between 1.5 mm and 2 mm.

Distribution
This species occurs in the Atlantic Ocean off Morocco. the Ibero-Moroccan gulf, Strait of Gibraltar and the surroundings of Alboran Island, in 20-200 m; Gorringe Ridge and Ampère seamount.