The varicose rocksnail also known as the verrucose file snail, scientific name Lithasia verrucosa, 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.
The varicose rocksnail also known as the verrucose file snail, scientific name Lithasia verrucosa, 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.
