Leufroyia concinnaLeufroyia concinna is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.;Subspecies ''Leufroyia concinna maderensis''DescriptionThe shell can grow to a length of 13 mm and a diameter of 6 mm. Generally, the color of shell is cream, white, light brown, or a mix of the previous colors.DistributionThis species occurs in most European waters and is found in the entirety of the Mediterranean Sea. It can also be found in the more northeastern waters of the Atlantic Ocean, off the Azores up Norway and south up to Canary Islands.