. "* Paludina (F\u00E9russac, 1812)" . . . . . "* Paludina (Vivipara) (Montfort, 1810) (Paludina is a junior synonym of Viviparus)" . . "* Contectiana (Contectiana) (Bourguignat, 1880) (junior synonym)" . "* Vivipara (incorrect subsequent spelling)" . "Viviparus, common name the river snails, is a genus of large, freshwater snails with an operculum, aquatic gastropod mollusks.They are primitive members of the clade Caenogastropoda. The old name of the genus used to be Paludina."@en . . "* Contectiana (Bourguignat, 1880) (junior synonym)" . .