Alvania harrietae 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 2.3 mm and 3 mm. Distribution This species occurs in the Atlantic Ocean off Selvagens and Madeira.
References
Segers W., Swinnen F. & De Prins R., 2009. Marine Molluscs of Madeira. Snoeck Publishers, Heule, Belgium, 612 p
External links Conchology.be: image