Tucetona pectinata - <p>Tucetona pectinata (Gmelin, 1791) - exterior of left valve of the comb bittersweet clam, 1.85 cm across at its widest. </p> <p>Family Glycymerididae (Cretaceous to Holocene) - the bittersweet clams are infaunal, filter-feeding bivalves that occur in sandy substrates. </p> © James St. John - CC BY 2.0 - Wikimedia Commons
Saint-Martin