Mitrella psillaMitrella psilla is a species of sea snail in the family Columbellidae, the dove snails.DescriptionThe length of the shell attains 4.8 mm.DistributionThis marine species occurs off West Africa, from Mauritania to Senegal, and in the provinces of Benguela and Namibe, Angola. It was introduced into the Gulf of Tunis, Mediterranean Sea. The species was also detected in Italy.