''Sphaerium rhomboideum'', the rhomboid fingernailclam, is a species of freshwater clams in the family

Sphaeriidae Sphaeriidae is a family of small to minute freshwater bivalve molluscs in the order Sphaeriida. In the US, they are commonly known as pea clams or fingernail clams. Heard, William H. 1977. Reproduction of fingernail clams (Sphaeriidae: ''Sphaer ...

. It is found in North America.

References

External links

*
''Sphaerium rhomboideum''
at mussel-project.uwsp.edu rhomboideum Bivalves described in 1822 {{Sphaeriidae-stub