. . "Helix vivipara Linnaeus, 1758" . . "Viviparus fluviorum Montfort, 1810" . . . . . "Viviparus viviparus"@en . "Viviparus viviparus is a species of large freshwater snail with a gill and an operculum, an aquatic gastropod mollusk in the family Viviparidae, the river snails."@en . . "LC" . "IUCN3.1" . . .