FrigidoalvaniaFrigidoalvania is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.SpeciesSpecies within the genus Frigidoalvania include:Frigidoalvania brychia Frigidoalvania cruenta Frigidoalvania flavida Golikov & Sirenko, 1998Frigidoalvania janmayeni Frigidoalvania pelagica Frigidoalvania thalassae Bouchet & Warén, 1993