miRNA families that are unique for Mollusca:

miR-2709	miR-219	mir-67	miR-526a	miR-2035
miR-4272	miR-1582	miR-4255	miR-3144	mir-277
miR-723*	miR-3353	miR-624*	miR-3407	mir-3065
miR-1360	miR-466d	miR-4262	miR-277d	miR-15b*
miR-4303	mir-304	mir-5