''Potamilus'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...

freshwater mussel Freshwater bivalves are one kind of freshwater mollusc, along with freshwater snails. They are bivalves that live in fresh water as opposed to salt water, which is the main habitat type for bivalves. The majority of species of bivalve molluscs ...

s, aquatic

bivalve Bivalvia (), in previous centuries referred to as the Lamellibranchiata and Pelecypoda, is a class of marine and freshwater molluscs that have laterally compressed bodies enclosed by a shell consisting of two hinged parts. As a group, biv ...

mollusk Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is es ...

s in the family

Unionidae The Unionidae are a family of freshwater mussels, the largest in the order Unionida, the bivalve molluscs sometimes known as river mussels, or simply as unionids. The range of distribution for this family is world-wide. It is at its most dive ...

, 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)

References

Bivalve genera Taxonomy articles created by Polbot {{Unionidae-stub