Theodoxus fluviatilis, common name the river nerite, is a species of small freshwater and brackish water snail with a gill and an operculum, an aquatic gastropod mollusk in the family Neritidae, the nerites.
You can copy this taxon into another guide. If you are one of the
editors of this guide it should copy everything, but if you're not, it
will only copy the licensed content.