Musculus is a genus of mussels in the family Mytilidae.Abbott, R.T. & Morris, P.A. A Field Guide to Shells: Atlantic and Gulf Coasts and the West Indies. New York: Houghton Mifflin, 1995. 18–19.

Species There are 30 extant species:

There are also a large number of species only know from the fossil record, including the following: †Musculus somaliensis Cox, 1935

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