| OSTRACOD | Tiny crustacean with a shrimp-like body enclosed in a bivalve shell (8) |
| HINGE | A mount for a postage stamp in philately; device upon which a door swings; or, a joint of a bivalve shell (5) |
| SEAURCHIN | An echinoderm with a globular body enclosed in a rigid spiny shell, occurring in shallow marine waters (3,6) |
| TELLIN | Small, oval bivalve shell, common around UK coast - endlessly informing (6) |
| SLOWWORM | Eurasian legless lizard, with a brownish-grey snake-like body (8) |
| THORACIC | Of, or relating to, the part of the human body enclosed by the ribs (8) |
| APHORISM | Saying nothing, a shrimp bullied about it (8) |
| BLACKSEA | An inland ocean-like body of water bordered by countries including Bulgaria, Romania, Russia and Ukraine (5,3) |
| BANJO | African in origin, this instrument was popularized in the United States by enslaved people in the 19th century. It has a tambourine-like body with a hoop and a screw that secure the vellum belly to th |
| CHEST | A coffer or trunk; the thoracic region of the body enclosed by a protective cage or "box" of ribs; a medicine cabinet; or, a treasury (5) |
| CLAM | A bivalve such as a jingle shell to which a ringing bell-, buzz- or tinkle-making retro flip phone is likened; or, a person who silently keeps secrets hidden within their figurative shell (4) |
| PEARL | A small rounded lustrous gem formed in a shell of a bivalve |
| SHRIMP | A decapod crustacean with a slender flattened body, long tail and a single pair of pincers (6) |
| SCALLOP | A bivalve mollusc with a ribbed fan-shaped shell (7) |
| MUSSEL | A bivalve mollusc, usually with a brown or purplish-black shell (6) |
| ECHELON | Derived from the French for rung or ladder, a step-like body of aircraft, troops or ships also used to describe birds in flight or a peloton in crosswinds (7) |
| UTRICLE | Strangely lit with cure in a bag-like body or sac |
| PRAWN | Something less like a lobster, more like a shrimp (5) |
| SANDHOPPER | One buying nibbles with a tiny crustacean |
| CONCH | Shell of a bivalve mollusc, used as a wind instrument (5) |
