Alvania seinensis is a species of a minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.
Description
The length of the shell attains 1.4 mm. Distribution This species occurs in the Northeast Atlantic Ocean off the Seine Seamount near Madeira.
References
Gofas S. (2007). Rissoidae (Mollusca: Gastropoda) from northeast Atlantic seamounts. Journal of Natural History 41(13–16): 779–885