| Crystal siltsnail | |
|---|---|
| Conservation status | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| (unranked): | clade Caenogastropoda clade Hypsogastropoda |
| Superfamily: | Rissooidea |
| Family: | Hydrobiidae |
| Genus: | Cincinnatia |
| Species: | C. helicogyra |
| Binomial name | |
| Cincinnatia helicogyra F.G. Thompson, 1968 |
|
The crystal siltsnail also known as the helicoid spring snail, scientific name 'Cincinnatia helicogyra, is a species of small freshwater snails with a gill and an operculum, aquatic gastropod mollusks in the family Hydrobiidae.
This species is endemic to the United States. Its natural habitat is rivers. It is threatened by habitat loss.