miRNA families that are unique for Bombyx:

miR-3379	miR-2808a*	miR-2807a	miR-2806	miR-4009b
miR-4122	miR-2435	miR-2784	miR-3272	mir-84
miR-2775a	mir-2774	mir-3204	miR-2761	miR-2761*