miRNA families that are unique for Ciona:

miR-4156	miR-4186	miR-4142	miR-3326	miR-1657
miR-4115	mir-2567	miR-2696	miR-1709	miR-4087
miR-4216	miR-4219	miR-4180	miR-4098

miRNEST miRNAs belonging to family miR-4216:

mature miRNA	miRNEST id
AAGCTCTTCCTCAAAATTT	MNEST005620   MNEST025306
TAAATTTGGTAGAAGAGCTT	MNEST005618   MNEST025307
AAGCTCTTTCTCAAAATTTAT	MNEST005617
TAAATCTGGTAGAAGAGCTTA	MNEST005621
AAGCTCTTCCTCAAAATTTAT	MNEST005619