Acteon Montfort, 1810 (extant flag source)
Cochliolepis Stimpson, 1858 (extant flag source)
Dendropoma Mörch, 1861 (extant flag source)
Dreissena van Beneden, 1835 (extant flag source)
Geukensia van de Poel, 1959 (extant flag source)
Helisoma Swainson, 1840 (extant flag source)
Hydrobia Hartmann, 1821 (extant flag source)
Ilyanassa Stimpson, 1865 accepted as Tritia Risso, 1826 (extant flag source)
Malleus Lamarck, 1799 (extant flag source)
Melampus Montfort, 1810 (extant flag source)
Petaloconchus Lea, 1843 (extant flag source)
Physa Draparnaud, 1801 (extant flag source)
Planorbis O. F. Müller, 1773 (extant flag source)
Recluzia Petit de la Saussaye, 1853 (extant flag source)
Truncatella Risso, 1826 (extant flag source)
Tylodina Rafinesque, 1814 (extant flag source)