| SCALLOP | Mollusc that is an emblem of St James and in turn a symbol of the Camino de Santiago (7) |
| SCALLOPSHELL | The emblem of St James, son of Zebedee |
| AMARANTH | Flower that is an emblem of immortality (8) |
| SEASLUG | Shell-less marine gastropod mollusc that is usually brightly coloured (3,4) |
| DANUBE | River that inspired a poem and, in turn, a waltz by Johann Strauss II (6) |
| SLOANE | Chocolate-milk-inventing doctor whose name is given to a London square and, in turn, a Hooray Henry (6) |
| PATRIA | Latin word for "homeland", recalled in Horace's Odes and in turn a poem by Wilfred Owen (6) |
| SNAIL | Known collectively as a walk or an escargatoire, a mollusc that is synonymous with anything slow (5) |
| SLUG | A tough-skinned terrestrial mollusc that is a common plant pest (4) |
| FTS | B.C.'s St. James and St. John: Abbr. |
| LION | Emblem of St. Mark |
| LAMB | Emblem of St. Agnes |
| PILGRIM | One who travels a distance to a holy place, such as anyone who walks the Camino de Santiago de Compostela. where one of the starting points for this journey is the monastery at Lluc, Mallorca (7) |
| NACARAT | Word, thought to be referring to a colour of the shell of a mollusc that yields mother-of-pearl, for a shade of orangey-red or "sunset"; or, a fabric/linen dyed in such a hue (7) |
| BLISTER | Second-rate celebrity has a problem walking the Camino de Santiago, for instance (7) |
| THISTLE | What flower is an emblem of Scotland? (7) |
| RIOJA | La -; Spanish province linked to the Camino de Santiago (Way of St James) pilgrimage routes (5) |
| OCTOPOD | Any of an order of cephalopod molluscs that have eight arms bearing sessile suckers |
| SCALLOPS | Fanned mollusc shells emblematic of St James the Great and pilgrims; or, ornamental curves cut in the edges of cloth or worked in knitting in imitation of thus (8) |
| OYSTERS | Molluscs that can produce pearls (7) |
