| TEREDO | A bivalve mollusc such as the shipworm (6) |
| MUSSEL | Marine bivalve mollusc such as the edible Blue ___ (6) |
| CLAM | Burrowing bivalve mollusc such as the quahog |
| OYSTER | A bivalve mollusc often eaten raw as a delicacy (6) |
| RAZORCLAM | A sand-burrowing bivalve mollusc such as Siliqua patula (5,4) |
| INKSAC | Body part, of cephalopod molluscs such as squid |
| HINGE | A cardinal direction - north, south, east or west; a device upon which a door or gate swings; the joint of a bivalve mollusc's shell; or, a philatelic mount for a postage stamp (5) |
| SNAIL | Gastropod mollusc such as the common terrestrial Helix aspersa, having a spirally coiled shell into which it can retract completely (5) |
| WHELK | Marine gastropod mollusc such as the waved ..., Buccinum undatum (5) |
| CEPHALOPOD | Mollusc such as the octopus or cuttlefish |
| GASTROPOD | Mollusc such as the snail, slug or limpet (9) |
| CONCH | Shell of a bivalve mollusc, used as a wind instrument (5) |
| BORERS | Shipworms, e.g. |
| SCALLOP | A bivalve mollusc with a ribbed fan-shaped shell (7) |
| VALVE | Either of the two hinged parts of the shell of a mollusc such as an oyster, mussel etc. (5) |
| SHELL | Exoskeleton of a mollusc such as a cockle, oyster or periwinkle (5) |
| SCALLOPED | Notched a bivalve mollusc outside England |
| SEASNAIL | Gastropod mollusc such as a whelk or abalone (3, 5) |
| HERMITCRAB | Nd Which soft-bodied crustacean lives in the empty shells of other molluscs such as whelks? (6,4) |
| CEPHALOPODS | Marine molluscs such as octopuses, squid and cuttlefish (11) |
