Elimia potosiensis

Elimia potosiensis, common name the pyramid elimia, is a species of freshwater snail with an operculum, an aquatic gastropod mollusk in the family Pleuroceridae.

Subspecies
There are four subspecies:
 * Elimia potosiensis potosiensis (I. Lea, 1841)
 * Elimia potosiensis crandalli (Pilsbry, 1890)
 * Elimia potosiensis ozarkensis (Call, 1886)
 * Elimia potosiensis plebeius (Gould, 1851)

Shell description
There is a phenotypic plasticity of shells of Elimia potosiensis:

Distribution
Elimia potosiensis is native to the United States. It occurs in Arkansas, Kansas, Missouri and in Oklahoma.

Habitat
This snail is found in freshwater springs, streams and rivers.