plural noun
Glyc·y·mer·i·dae | \ˌglisəˈmerəˌdē\

Definition of Glycymeridae 

: a family of bivalve mollusks (suborder Myacea) comprising the dog cockles

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History and Etymology for Glycymeridae

New Latin, from Glycymeris, type genus (from Latin, a shellfish, probably modification of Greek glykymaris cockle) + -idae

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