Sphaerium rhomboideum

Sphaerium rhomboideum, the rhomboid fingernailclam, is a species of freshwater clams in the family Sphaeriidae. It is found in North America.

Sphaerium rhomboideum
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Bivalvia
Order:	Sphaeriida
Superfamily:	Sphaerioidea
Family:	Sphaeriidae
Genus:	Sphaerium
Species:	S. rhomboideum
Binomial name
Sphaerium rhomboideum (Say, 1822)[1]
Synonyms
Cyclas rhomboidea Say, 1822 Cyclas elegans Adams, 1840[2]