Table 1 Similarity matrix including bandsharing values (BS) calculated using Nei and Li's index of the similarity of Styela clava (SC), Halocynthia roretzi (HR) and Styela plicata (SP) from the southern sea of the Korean Peninsula, respectively

Bandsharing values of three species of Ascidiacea
from S. clava							from H. roretzi							from S. plicata
1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21
-	0.774	0.748	0.739	0.706	0.604	0.562	0.545	0.436	0.468	0.511	0.562	0.551	0.506	0.469	0.401	0.442	0.545	0.579	0.549	0.538	1
	-	0.673	0.739	0.736	0.604	0.519	0.532	0.489	0.436	0.581	0.504	0.485	0.554	0.462	0.386	0.440	0.521	0.510	0.554	0.567	2
		-	0.703	0.749	0.642	0.578	0.540	0.427	0.353	0.545	0.416	0.457	0.575	0.484	0.453	0.346	0.556	0.589	0.597	0.575	3
			-	0.772	0.601	0.563	0.489	0.376	0.390	0.468	0.503	0.441	0.440	0.554	0.494	0.496	0.606	0.577	0.581	0.622	4
				-	0.627	0.557	0.514	0.477	0.428	0.475	0.506	0.494	0.542	0.499	0.446	0.583	0.572	0.546	0.571	0.618	5
					-	0.692	0.440	0.349	0.283	0.432	0.396	0.379	0.440	0.406	0.360	0.354	0.473	0.589	0.525	0.521	6
						-	0.423	0.379	0.261	0.445	0.413	0.411	0.407	0.410	0.448	0.437	0.497	0.551	0.503	0.470	7
							-	0.565	0.539	0.496	0.554	0.543	0.448	0.429	0.408	0.453	0.503	0.548	0.524	0.503	8
								-	0.671	0.597	0.534	0.490	0.526	0.474	0.532	0.490	0.509	0.512	0.548	0.541	9
									-	0.532	0.514	0.474	0.447	0.441	0.475	0.459	0.466	0.407	0.483	0.513	10
										-	0.683	0.552	0.665	0.475	0.438	0.415	0.535	0.490	0.526	0.473	11
											-	0.641	0.510	0.492	0.500	0.398	0.503	0.501	0.546	0.509	12
												-	0.677	0.499	0.535	0.511	0.536	0.520	0.560	0.480	13
													-	0.514	0.458	0.450	0.560	0.483	0.579	0.562	14
														-	0.693	0.575	0.554	0.504	0.484	0.512	15
															-	0.623	0.580	0.586	0.558	0.585	16
																-	0.546	0.524	0.559	0.479	17
																	-	0.643	0.644	0.663	18
																		-	0.659	0.632	19
																			-	0.730	20
																				-	21