| Lithasia | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | incertae sedis |
| Superfamily: | Cerithioidea |
| Family: | Pleuroceridae |
| Genus: | Lithasia Haldeman, 1840 |
_-_Pleuroceridae_-_Mollusc_shell.jpeg)
Lithasia is a genus of medium-sized freshwater snails, aquatic gilled gastropod molluscs in the family Pleuroceridae. This genus is endemic to rivers in the mid-southern United States.
