Calappa granulata - <i><a href="https://it.wikipedia.org/wiki/Calappa_granulata" class="extiw" title="it:Calappa granulata">Calappa granulata</a></i> © Original uploader was Yoruno at it.wikipedia (Original text : Pino Bucca) - CC BY-SA 3.0 - Wikimedia Commons
Saint-Martin