Clam, mussel, oyster, scallop, etc
Varieties of bivalve molluscs including clam, Tridacna, mussel, Mytilus, oyster, Ostrea, pen shell, Pinna, jingle shell, Anomia, and scallop, Pecten
Various shell specimens
Whelk, Buccinum undatum 1, Noahs ark, Arca noae 2, noble pen shell, Pinna nobilis 3, Tusus brevis 4, Caltrop murex, Murex tribulus 5, Admiral cone, Conus admiralis 6, volute, Voluta arenata 7