''Musculium'' is a genus of small freshwater
clams,
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, bival ...
molluscs 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: ''Sphaeri ...
, the fingernail clams and pea clams.
Species
Species and subgenera within this genera include:
Subgenus ''Musculium'' Link, 1807
* ''
Musculium lacustre'' (O. F. Müller, 1774)
* ''
Musculium transversum'' (Say, 1829)
Subgenus ?
* ''
Musculium forbesi'' (Philippi, 1869)
* ''
Musculium lauricochae'' (Philippi, 1869)
* ''
Musculium titicacense'' (Pilsbry, 1924)
References
Sphaeriidae
Bivalve genera
{{Sphaeriidae-stub