Fissurella barbadensis - <p>Fissurella barbadensis (Gmelin, 1791) - exterior view of a Barbados keyhole limpet shell, 2.25 cm long. Anterior at the top and posterior at the bottom. </p> <p>Family Fissurellidae - limpets use their radulae to scrape algae from hard substrates. They typically occupy rock intertidal shorelines. </p> © James St. John - CC BY 2.0 - Wikimedia Commons
Saint-Martin