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.
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0