Wikipedia
Moitessieriidae
Moitessieriidae is a family of small freshwater snails, aquatic gastropod molluscs in the superfamily Truncatelloidea.
According to the taxonomy of the Gastropoda by Bouchet & Rocroi (2005) the family Moitessieriidae has no subfamilies.
There are known 55 freshwater species of Moitessieriidae in the Palearctic region.