Arcidae

plural noun Ar·ci·dae \ˈärsəˌdē\

Definition of Arcidae

  1. :  a large family of chiefly tropical lamellibranch mollusks (order Filibranchia) with ribbed equivalve shell having a strong toothed hinge — see ark shell

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Origin and Etymology of arcidae

New Latin, from Arca, type genus + -idae


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