Spiny river snail
| Spiny river snail | |
|---|---|
| A live individual of Io fluvialis | |
| A live individual of Io fluvialis | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Superfamily: | Cerithioidea |
| Family: | Pleuroceridae |
| Genus: | Io Lea, 1831 |
| Species: | I. fluvialis |
| Binomial name | |
| Io fluvialis (Say, 1825) | |
The spiny river snail, scientific name Io fluvialis, is a freshwater snail species, an aquatic mollusk in the Pleuroceridae family. This is the only species in the genus Io. This species is endemic to the USA.