Varicose rocksnail

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.

Varicose rocksnail
Conservation status
Least Concern  (IUCN 3.1)[1]
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Family:	Pleuroceridae
Genus:	Lithasia
Species:	L. verrucosa
Binomial name
Lithasia verrucosa Rafinesque, 1820

Lithasia verrucosa (Rafinesque, 1820)