SOME of my happiest holiday memories are to do with shells. Gathering up empty cockles and limpets with my nephews to stick on sandcastles on Holkham beach in Norfolk, looking for the smoothest oyster shells on the beach at Whitstable in Kent after a jolly seafood lunch and spending glorious afternoons on the Cornish coast seeking out whorled, thick top-shells, glinting with mother-of-pearl where they had been worn down by the waves. It’s estimated there are about 600 species of marine mollusc around the UK and, although some places—Barricane Beach in Devon; Shell Island in Gwynedd; the Solway Firth in Scotland—are famed for their molluscs, it is rare to find a strand in the UK that doesn’t offer something of interest for an eagle-eyed beachcomber. Here are a few of my favourites to look out for.
Painted topshell
Calliostoma zizyphinum; up to 1.2in (3cm)
OLD-FASHIONED spinning tops gave this brightly coloured conical shell its name and it’s easy to see why. Widely distributed,
