Rissoina delicatissima is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoinidae. Description Distribution This species occurs in the Pacific Ocean off Easter Island. References Raines. 2002. Contribution to the knowledge of Easter Island Mollusca. Conchiglia 34 (304): 11-40 Bouchet, P.; Fontaine, B. (2009). List of new marine species described between 2002-2006. Census of Marine Life Rissoinidae Gastropods described in 2002