Old cockle shells (Cardium Edule) lie discarded, washed-up and banked in a heap on the beach
                       
An assortment of periwinkles on the beach on Arran, Edible Periwinkle (Littorina littorea) and Flat Periwinkle (Littorina Littoralis) found on mud flats and amongst bladderwrack seaweed on the seashore.
                       
Mussels (Mytilus Edulis) at low-tide Drumtroddan Bay, Arran. A common bivalve popular as a seaside treat, shellfish.
                       
Limpets (Patella Vulgata) cling to rocks at low-tide surrounded by Barnacles (Chthalamus Stellatus).
                       
Underside sucker/foot of the limpet (which was UNHURT) (Patella Vulgata)
                       
Giant Tridacna clam
                       
Basketstar, Basket Starfish (Astrophyton muricatum) echinoderm
                       
flamingo tongue shell
                       
fire scallop
                       
Flamingo tongue on whip coral
                       
Flamingo tongue on sea fan
                       
Conch
                       
Clam mouth