| VALVES | Hinged shells of certain molluscs (6) |
| VALVE | Stopcock; mechanism of a trumpet, cornet or other brass instrument; leaf of a folding door; or, each of the halves of the hinged shell of a clam, mussel or oyster (5) |
| MOTHEROFPEARL | Decorative substance got from certain molluscs (6-2-5) |
| NAUTILI | Certain molluscs are in badly behaved manner, I hear (7) |
| OYSTER | Shellfish with two rough, hinged shells called shucks (6) |
| CRUSTS | Pastry shells of pies; outer parts of bread; or, bases of pizzas (6) |
| PEARLS | Believed by the Roman's to have been abundant in British rivers, hence one of the motives for their invasion, lustrous gems created within the shells of mussels and oysters (6) |
| AUGERS | Corkscrew-like drill bits to whose shape the tapering spiral shells of marine molluscs in the genus Terebra are likened (6) |
| HERMIT | And 2 Small soft-bodied crustacean that lives in and carries about the empty shells of whelks (6,4) |
| TELESM | Shells of tortoise line shamanism amulet |
| COWRIE | Shells of this marine mollusc have been used as money in some countries |
| BIVALVES | Molluscs with hinged shells (8) |
| SCALLOP | Edible shellfish with a pair of hinged shells (7) |
| CLAM | Bivalve mollusc whose hinged shells inspired the flip phone (4) |
| BIVALVE | Mollusc with two hinged shells (7) |
| HERMITCRAB | Nd Which soft-bodied crustacean lives in the empty shells of other molluscs such as whelks? (6,4) |
| NUTS | Gingery biscuits; seeds forming pannage or mast; drinking cups made from the shells of coco-palm kernels; or, tiny pieces of ebony at the top of violin fingerboards (4) |
| CASINGS | Shells of shells |
| SHIELDS | Shells of tortoises; pieces of armour; or, heraldic escutcheons (7) |
| BOXTURTLE | Reptile with a hinged shell |
