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 Potamilus amphichaenus Potamilus capax Potamilus inflatus Potamilus metnecktayi Potamilus ohiensis- ''Potamilus purpuratus''