Potamilus

Potamilus is a genus of freshwater mussels, aquatic bivalve mollusks in the family Unionidae, the river mussels.

Species
Species within the genus Potamilus include:
 * Potamilus alatus (pink heelsplitter)
 * Potamilus amphichaenus (Texas heelsplitter)
 * Potamilus capax (fat pocketbook pearly mussel)
 * Potamilus inflatus (inflated heelsplitter)
 * Potamilus metnecktayi (Salina mucket)
 * Potamilus ohiensis (pink papershell)
 * Potamilus purpuratus (bleufer)