Viviparidae
| Viviparidae Temporal range: | |
|---|---|
| An alive but retracted individual of Viviparus contectus, showing the operculum | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Architaenioglossa |
| Superfamily: | Viviparoidea |
| Family: | Viviparidae J. E. Gray, 1847 |
| Diversity | |
| 125–150 freshwater species | |