GerdiellaGerdiella is a genus of sea snails, marine gastropod mollusks in the family Cancellariidae, the nutmeg snails.SpeciesSpecies within the genus Gerdiella include:Gerdiella alvesi de Lima, de Barros & Petit, 2007Gerdiella cingulata : synonym of Mericella cingulata Gerdiella gerda : synonym of Mericella gerda Gerdiella santa Olsson & Bayer, 1972 : synonym of Mericella santa Olsson & Bayer, 1972