Lithasia
# Lithasia

Lithasia is a genus of medium-sized freshwater snails, aquatic gilled gastropod molluscs in the family Pleuroceridae. This genus is endemic to rivers in the mid-southern United States.

## Species

Species within the genus Lithasia include:

* Armigerous river snail (Lithasia armigera)
* Knobby rocksnail (Lithasia curta)
* Dutton's river snail (Lithasia duttoniana)
* Geniculate river snail (Lithasia geniculata)
* Jay's river snail (Lithasia jayana)
* Elk River file snail (Lithasia lima)
* Muddy rocksnail (Lithasia salebrosa)
* Varicose rocksnail (Lithasia verrucosa)
