Retusidae
Retusidae is a family of very small sea snails, barrel-bubble snails, marine opisthobranch gastropod mollusks. These are headshield slugs, in the superfamily Bulloidea.
Genera
Genera within the family Retusidae include:Pyrunculus Pilsbry, 1895Relichna Rudman, 1971Retusa T. Brown, 1827Sulcoretusa J.Q. Burch, 1945;Genera brought into synonymy:Coleophysis: synonym of Retusa T. Brown, 1827Cylichnina Monterosato, 1884: synonym of Retusa T. Brown, 1827Mamilloretusa F. Nordsieck, 1972 accepted as Retusa T. Brown, 1827Sao H. Adams & A. Adams, 1854 accepted as Pyrunculus Pilsbry, 1895Sulcularia Dall, 1921 accepted as Sulcoretusa J.Q. Burch, 1945Utriculus T. Brown, 1844 accepted as Retusa T. Brown, 1827