| Elk River file snail | |
|---|---|
| Conservation status | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| (unranked): | clade Caenogastropoda clade Sorbeoconcha |
| Superfamily: | Cerithioidea |
| Family: | Pleuroceridae |
| Genus: | Lithasia |
| Species: | L. lima |
| Binomial name | |
| Lithasia lima Conrad, 1834 |
|
The Elk River file snail also known as the warty rocksnail, scientific name Lithasia lima, is a species of freshwater snail with an operculum, an aquatic gastropod mollusk in the family Pleuroceridae. This species is endemic to the United States.