Rissoina spirata
Rissoina spirata, common name the spiral risso, is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoinidae.Description
The size of the shell varies between 7 mm and 15 mm.Distribution
This species occurs in the Red Sea, in the Indian Ocean off Madagascar and the Aldabra Atoll; in the Central Pacific; in the Mediterranean Sea.
