Geukensia is a genus of marine bivalve mollusc in the Mytilidae family, naturally found in the western Atlantic.
Species Species within the genus Geukensia include:Geukensia Van de Poel 1959. World Register of Marine Species (2012). Geukensia demissa (Dillwyn, 1817) - Ribbed mussel Geukensia granosissima (G. B. Sowerby III, 1914) - Southern ribbed mussel
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