Hipponix antiquatus - <p>Hipponix antiquatus (Linnaeus, 1767) - apertural view of a white hoof snail shell, 1.55 cm long. Anterior to the top & posterior to the bottom. </p> <p>Family Hipponicidae - the hoof snails are hard substrate encrusters in shallow-water, high-energy marine environments. </p> © James St. John - CC BY 2.0 - Wikimedia Commons
Saint-Martin