| RAMSHORN | - snail, European freshwater mollusc with a flat spiral shell |
| CHELSEA | What is a variety of currant bun in a flat spiral? (7) |
| TRITON | A merman-like conch shell-trumpeting Greek god whose name is given to a moon of Neptune and a sea snail with a spiral shell (6) |
| WHORL | Word for a spindle's flywheel or wharve originally, later a pattern of concentric circles; a single convolution in a spiral shell; a radial arrangement of petals or leaves; or, a gyre or swirl in a fi |
| AUGER | A plumber's snake; a gimlet, wimble or other boring tool; or, a sea snail in the genus Terebra with a drill bit-like tapering spiral shell (5) |
| MUSSEL | Freshwater mollusc hat is a source of mother-of-pearls (6) |
| WHELK | A predatory marine mollusc with a pointed spiral shell (5) |
| CONCH | Marine mollusc with a spiral shell (5) |
| SNAIL | Slow moving mollusc with a spiral shell ? (5) |
| AMMONITE | Prehistoric mollusc with a spiral shell |
| WINKLE | Small mollusc with a spiral shell |
| SEASNAIL | Marine mollusc with a spiral shell (3,5) |
| UNIO | Freshwater mollusc genus (4) |
| ANAO | Genus of freshwater molluscs (4) |
| NAUTILUS | Moillusc with a spiral shell (8) |
| CHUB | A common European freshwater game fish, with a cylindrical body (4) |
| DACE | A European freshwater fish with a slender, bluish-green body (4) |
| SNAILS | Molluscs with a single spiral shell into which their bodies can be withdrawn (6) |
| PERIWINKLE | Creeping evergreen plant, it has a spiral shell! (10) |
| RUDD | A European freshwater fish with a compressed body and reddish ventral and tail fins (4) |